A standard tank water heater can stress your plumbing pipes by the normal thermal expansion that happens during the heating process. A safety device known as a water heater expansion tank (sometimes called a thermal expansion tank) can help minimize the risk of pressure damage to the plumbing system. (This is normally not a problem on modern on-demand, tankless water heaters--only tank-style heaters are subject to this problem.)

The water heater expansion tank serves as an overflow receptacle by absorbing excess water volume created by the tank water heater whenheating water, as well as absorbing fluctuations in the incoming water supply pressure. Since water expands when it is heated due to thermal expansion, the water heater creates extra water volume every time it heats water. It's estimated, for example, that the cold water in a standard 50-gallon water heater expands to 52 gallons when heated to 120 F. This extra water volume can createexcess pressure in the plumbing system, and if the increased pressure is enough it may, over time, cause damage to the water heater, plumbing fixtures and the water pipes themselves.

In an open system where expanding water can push back into the city water supply, there is rarely any problem. However, many homes have a closed water supply system, which is a water system equipped with a one-way valve such as a backflow valve, check valve or pressure-reducing valve. In a closed system, this extra water pressure from thermal expansion can cause the most damage because the extra water pressure cannot push back into the city water supply and therefore has nowhere to go.

Most cities require that residential closed plumbing systems be equipped with expansion tanks.If you have some form of backflow preventer installed on the main water line, you may be required by law to also have a water heater expansion tank installed. Check the local building code or call the building and safety department to find out.

If you do not have a one-way valve installed on the main water line and therefore do not have a closed water system, you may still benefit from a water heater expansion tank. Expansion tanks are normally installed above the water heater on the cold water line before it enters the water heater;however, they can really be installed anywhere on the cold water line prior to entry into the water heater.Having an expansion tank helps prevent dripping faucets and running toilets by keeping the extra built-up pressure in the system from reaching the fixtures and prematurely damaging them.

Water heater expansion tank prices start at around $40and range up to nearly $200; pricing is largely dependent on the size of the tank. For most residential installations with 40- or 50-gallon water heaters, a simple 2-gallon tank is fine. The tank is quite easy to install with a normal 3/4 threaded connection. A tee fitting will have to be installed above the water heater if one is not there already.

If you are hiring a plumber to have a water heater installed, its a good idea to get a price for the installation of an expansion tankat the same time. It may not be much more than you are already paying if it is done at the same time. If you are installing a water heater yourself, consider installing an expansion tank even if it is not required, since the benefits far outweigh the work and cost involved.

Read more here:
Water Heater Expansion Tank Information - thespruce.com

How to Wire an Electric Water Heater Circuit: We are installing the wiring for an electric water heater circuit and we need to make sure we are using the right wire size.

Wiring a Water HeaterElectrical Question: We are installing the wiring for an electric water heater circuit and we need to make sure we are using the right wire size.

My questions about my Water Heater Project are:

This will be inspected, and we are working under a permit.

Thank you!

This electrical wiring question came from: Cheri, a Homeowner from Wichita, Kansas.

Daves Reply:Thanks for your electrical wiring question Cheri.

Application: Wiring a 240Volt Electric Water Heater.Skill Level: Intermediate to Advanced Best installed by a Licensed Electrical Contractor. Work in electrical panels is not recommended for homeowners, non-experienced individuals or non-electricians.Tools Required: Basic Electricians Pouch Hand Tools, electric drill, auger bits and extension cord as needed depending on the scope of the project.Estimated Time: Depends on personal level experience, ability to work with tools and install 240 volt electrical circuit wiring.Precaution: Identify the main circuit of the panel, turn it OFF and Tag it with a Note before working with the wiring or installing the 240 volt wiring and circuit breaker.Notice: Installing an additional 240 volt circuit should be done according to local and national electrical codes with a permit and be inspected.

The following is an example of installing an electrical circuit for a 240 volt electric water heater in a home:

Electrical Wiring Codes

Here's How to Do It:Wire It Right with the help of my Illustrated Wiring BookGreat for any Home Wiring Project.

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Installing a Electric Water Heater Circuit - Ask the Electrician

Fast Water Heater Company performs installations as safely as possible to protect you and your family. Due to various injuries and accidents related to water heaters over the last ten years, most cities and counties have adopted either the 2006, 2009 or 2012 Uniform Plumbing Code (or in the case of California, the California Plumbing Code).

When we perform your installation, we will inspect your water heater and ensure it is up to date on all relevant safety codes.

Also, on the back of your invoice, you will find a list of all of the state codes that are relevant for your installation.

Some examples of common water heater codes include:

An expansion tank is required if a plumbing system is closed, which means that the back-flow that normally runs between the house and the main water supply, is blocked. However, when water is heated, it starts to expand, which causes a rise in water pressure.

The increased pressure must go somewhere. If there is nowhere for the pressure to go, it places extra stress and strain on your water heater and your homes plumbing system. Increased pressure will shorten the life of your water heater. However, expansion tanks provide relief from this excess water pressure and protect your home.

A water pressure PSI test will determine if you need an expansion tank or not.

In all our service locations, we install water heaters with earthquake straps to ensure your safety in the event of a natural disaster. Because the West Coast is in earthquake zones, all installations include straps on the top- and bottom-third of the water heater.

If your water pressure is above 80 PSI, its recommended to install a pressure regulating valve. As population density increases, water pressure goes up as well. However, high water pressure can damage your plumbing and fixtures, including your hot water heater. This can cause a premature crack in the glass lining of the water heater. Pressure regulating valves will prevent unnecessary stress on your plumbing system.

Its generally recommended, and required, to install a drip pan with a drain line beneath your hot water heater tank. Especially if you water heater is in your home or basement, a leak could cause lots of water damage. A pan and drain eliminate this possibility.

Installing a dedicated water shutoff on your water heater will allow you to turn off water to your heater, but not to your entire home. This way, if you ever need to service your water heater, you wont be inconvenienced with having to turn off the water to the rest of your house.

In some areas, the P&T (pressure and temperature relief) valve is required to be piped to the exterior. The P&T valve goes off when your hot water temperature exceeds 210 degrees Fahrenheit or 150 PSI. Some areas will allow you to pipe the P&T within 6 of a garage floor. The advantage of this is that if the P&T valve is going off, it usually means your water heater has a problem and its good to know about it. The disadvantage is that when the P&T does go off, the water comes out at very high temperature and high pressure. It is dangerous to allow children, for example, to play around the P&T valve. Due to accidents, some areas require the valve to be piped to the exterior.

In addition to placement in a certain area, the CO emissions of a water heater require it be properly vented. This will prevent any CO from entering your home and living areas. The vents must be made of a proper material and keep specific clearance from combustible materials.

Gas water heaters emit carbon monoxide (CO) when they run. 10,000 people die in the U.S. every year from CO poisoning so its important the water heater is placed in approved location. For example, in some areas, water heaters are not allowed to be installed in closets, unless they are only used for the water heater.

Codes require us to place a sediment trap on the gas line into the water heater as close to the inlet as possible. This is to prevent moisture and debris from entering the firing chamber of the hot water heater.

For electric tanks in unheated spaces, the tank must be placed on an incompressible, insulated surface with a minimum thermal resistance of R-10. This bottom board is to help prevent heat loss from the bottom of an electric water heater and can increase energy efficiency.

Contact us for more information about water heater codes in your jurisdiction!

This company is great. I have had two water heaters installed and one follow up warranty service which I think went very well. Both of the service professionals I have met and everyone I have spoken to is also very professional. I can recommend this company with complete confidence.- Suzan H. via YelpWe needed a replacement (and fast!). FAST Water Heater Co. was here in 1 hour, provided an estimate, told me exactly what it would take to comply with current code, and completed the job very quickly and professionally. No surprises...now I can take a shower! I would recommend FAST Water Heater Co. without hesitation.- Jeff H. via GoogleMatt Smith did an outstanding custom water heater/thermal expansion tank installation job under a stairwell. He was able to fabricate the installation so that I still was able to gain access to the storage space behind the water heater. I give him 5+ stars.- Tom J. via FacebookFast is the operative word here. I called to have my water heater replaced and they were at my house within 1 hour. There were some challenges with replacing my tank and Dan confidently suggested my options. In and out in a couple of hours with zero inconvenience! Dan was super personable and very trustworthy! - Anonymous via SuperPages

More here:
Common Codes - Fast Water Heater Company

Before you dive into the specific brand review, we highly recommend you to read our elaborateTankless Water Heater Reviewsand Tankless Water Heater Installation Cost Guide in advance. There are several crucial stepsyou need to takebefore you even start to think about the brand.

In addition, weve prepared guides for other gas tankless water heaters useful for comparing brands. They include:

Rinnai was formed in 1920 in Japan. The company began making water heaters in 1964 and opened a US office in 1974. The brands water heaters are made in Japan, but in 2017, Rinnai announced that it will build a manufacturing plant in the US., the first manufacturer of tankless gas water heaters to do so. Rinnai is currently the best-selling tankless water heater brand in North America.

Rinnais residential water heatersare all gas-fired units with enough capacity to provide hot water for an entire household (i.e., whole-house units). Here are the current Rinnai heater models.

Important Note on Max. GPM:This column represents the maximum gallons per minute flow rate the heater can produce. Maximum GPM flow isachievable only when the incoming water is quite warm. The colder the incoming water is, the longer it must be heated to reach the thermostat setting on the tankless water heater, so the lower the GPM flow rate will be. In tankless water heater specifications, youll see information such as Flow rate @ 70F temp rise is 4.3 GPM. Thats from a unit with Max. GPM of 7.5 GPM and means that if the temperature of the incoming water must be raised by 70 degrees Fahrenheit to reach the thermostat setpoint, then only 4.3 gallons per minute of hot water can be expected. For more information on this important topic, seethe related sectionin our Tankless Water Heater Buying Guide.

Additional notes:

There are several Rinnai water heater features not covered in the table that will help you decide which unit best suits your requirements.

The consumer ratings for Rinnai are among the very best. The brand is considered reliable, though about 15% of Rinnai units have a serious mechanical issue in the first decade.

Rinnai makes both condensing and non-condensing models, in contrast to Navien that makes only condensing tankless water heaters. The SE+ RUR is one of a few tankless models with a built-in recirculating pump. More Rinnai models come ready for WiFi than the number of models from any other brand.

How much does a Rinnai water heater cost?

Here are prices for the unit only. Installation costs follow.

Rinnai Models

Max GPM

Unit Cost Only

$2,000-$2,165

$1,350-$1,585

$1,350-$1,585

$975-$1,165

$975-$1,165

$1,175-1450

When shopping for Rinnai products online, youll find that some sellers dont list the series. For example, instead of Rinnai SE+ RUR, the listing will be Rinnai RUR.

Your tankless water heater installation cost will depend on several factors including:

Depending on the factors that apply, expect Rinnai tankless water heater installation cost estimates to be between $600 and $1,450 plus accessories. If youd like to receive no-cost, no-obligation estimates from top installers in your area, use our Free Local Quote tool. The installers are licensed and insured, and they know theyre competing for your work.

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Rinnai Gas Tankless Water Heater Reviews, Installation Cost ...

Overview

If you have some basic plumbing experience, you can replace a water heater yourself and save $200 to $400 in plumbers fees. Well show you how to replace a conventional natural gas water heater. The procedure is the same for a propane heater. If you choose a power vented gas model, all the water and gas connections are the same as we show, but the venting steps are different. For more, search for power-vented water heater above. Replacing an electric water heater is a little easier. All the water connections are the same and you dont have to deal with gas piping or venting. For details on situations different from the one we show here (such as electric models, plastic water lines or copper gas lines) search for replace water heater above.

If you have lots of plumbing experience, you might be able to complete this project in half a day. But we recommend you start in the morning so you have plenty of time to get the job done and not leave your family without hot water overnight. Youll need a helper to carry the old unit out and the new one in. Check with your trash hauler or recycling center to find out how to dispose of the old heater.

A new water heater will cost from $250 to $500, depending on the size, efficiency and warranty. The materials youll need for the installation depend on your situation and local codes.

Even if youve worked with plumbing and gas lines in the past, play it safe and contact your local department of inspections. Get a permit (if required), and go over your installation plans with an inspector.

Shut off the gas by turning the handle a quarter turn. In the off position, the handle is perpendicular to the pipe.

Disconnect the gas at the union fitting. Place the larger wrench on the nut and hold the unions collar with another wrench. Start with the wrenches a quarter turn apart.

Cut the cold water line above the old gate valve to make room for a new ball valve. Cut the hot water line at the same height.

To get started, turn off the gas at the valve near the water heater (Photo 1).

If the isolation valve above your water heater is a gate valve (Photo 3), we recommend that you replace it with a ball valve (Photo 4). Be sure to choose a fullport valve. Gate valves often leak or wont close tightly. To replace the valve, youll have to shut off the water at the main valve (usually near the meter). That means your whole house will be without water until you install the new valve. If you already have a ball valve or if you choose to leave the old gate valve in place, you can simply shut it off. That way the rest of the house will have cold water while you work (toilets will still work!).

With the water and gas off, drain the water heater. Attach a garden hose to the drain valve at the bottom of the tank, route it to a floor drain and open the drain valve. To allow air into the hot water lines and speed up the draining process, go to the highest faucet in the house and turn on the hot side only (on single-handle faucets, push the lever all the way to the left).

If your valve doesnt look like this one, see Old gas valves can leak.

Disconnect the gas line at the union (Photo 2). Then disassemble the threaded tee and drip leg and remove the nipple from the water heater gas control valve. Dont throw them awayyoull need them for the new water heater. If your gas line is copper or a flexible supply line, just unscrew the nut.

To disassemble the vent piping, remove the sheet metal screws. Wear gloves; the ends of the metal piping are sharp. You can reuse the vent pipes if theyre in good shape. But if you find even slight holes, cracks or corrosion, toss them into the trash. New pipe is inexpensive and leaks can allow deadly carbon monoxide to build up in your home.

Next, cut the copper water lines with a tubing cutter (Photo 3). If you have copper corrugated water lines, simply disconnect the nuts at the water heater. If you have galvanized steel pipes, disconnect unions just as we did with the gas union shown in Photo 2. Also unscrew the blow tube from the temperature and pressure (T&P) valve. You may be able to reuse it on the new water heater.

At this point, the old heater should have drained enough so it can be moved off to the side (with a helper). If the heater isnt draining fast enough, sediment may be clogging the valve. Allow it to drain as long as possible and then move the heater outside so you can remove the drain valve from the tank.

Reconnect the water. Install new valves first so you can turn on the water to the rest of the house. Then install nipples, followed by threaded fittings and stubs of pipe. Hold the final section in place to mark the length.

Make the final connections with slip couplers. Be sure the coupler doesnt slide down as you heat it.

Set the drain pan into place with the opening facing the floor drain. Get someone to help you lift and set the heater in the pan. If youre replacing the isolation valve, solder on the new ball valve next.

Screw dielectric nipples into the new water heater. These plastic-lined nipples reduce corrosion and increase water heater life. Some water heaters come with dielectric nipples already installed (buy a set if yours doesnt have them). Be sure to coat the threads with pipe thread sealant or wrap with Teflon tape. Next, solder female threaded copper pipe fittings to short lengths of copper tubing and set them aside to cool. Tighten the cooled fittings onto the nipples. Then add short sections of pipe below the valves (Photo 4) and make the final connections with slip couplers (Photo 5). You must use slip couplersstandard stopped couplers wont work. For tips on soldering copper pipe, search for solder above.

Thread a blow tube onto the T&P valve. If the old blow tube is too short, you can use 3/4-in. galvanized steel pipe or copper pipe (along with a male threaded fitting). If you use galvanized pipe, cut off the threads on the bottom to prevent someone from capping off the blow tube if the T&P valve leaks.

Connect the vent pipe to the hood with sheet metal screws. Never use a reducer, even if the hoods opening is smaller than the vent pipe.

Snap the new draft hood onto the water heater and secure it with sheet metal screws. Check the installation manual for the recommended diameter vent pipe for your new heater. If the recommended vent pipe diameter is larger than the vent hood opening, dont install a reducer. Measure a straight section of new galvanized vent pipe to rise as high as possible before you install the adjustable elbow (the higher the rise, the better the draft). On any horizontal sections of vent, make sure the pipe slopes down toward the water heater 1/4 in. per foot of pipe. Bend out small sections of the pipe and attach it directly to the vent hood with screws (Photo 6). Then continue installing new vent pipe sections and connect to the flue. Most plumbing codes require a minimum of three screws for each vent pipe joint. For tips on cutting metal venting, search sheet metal above.

Reconnect the gas. Hold back the control valve to avoid damaging it. Then screw the drip leg into the tee.

Measure between the union and the tee and add 1 in. to determine the correct nipple length.

Test for leaks by brushing soapy water onto every connection. If you see bubbles, tighten or reconnect the joint.

Apply gas-rated pipe thread sealant or tape (dont use standard white Teflon tape) to the gas nipple and thread it into the new gas control valve. Tighten the nipple using two pipe wrenches (Photo 7). Assemble the tee and drip leg using the same two-wrench technique.

If the old section of pipe below the union no longer fits, youll need to measure for a new nipple (Photo 8). Make sure you assemble and tighten the gas union before you measure the length for the intermediate nipple. Add 3/4 in. to 1 in. to this measurement and buy a new nipple. When the gas connections are complete, turn on the gas and check for leaks (Photo 9). You can buy leak detector in a convenient spray bottle ($3) or mix your own solution (one part dish detergent, two parts water).

Open the water valves and an upstairs faucet and fill the tank. Leave the faucet open until water flows out. Then shut it off and check the new water connections for leaks. Open the gas valve and light the pilot light following the manufacturers instructions. Youre in for a pleasant surprise with your new water heatermanufacturers have done away with the old match-lit pilot system. Instead of igniting the pilot with a match or lighter, you just push a button.

When the burner fires up, test for backdrafting, which can allow deadly carbon monoxide into your home. Close all doors and windows and turn on kitchen and bath exhaust fans. When the burner has been running for at least one minute, move an incense stick around the draft hood. The smoke should be drawn up into the vent. If not, the exhaust may be entering your home. Turn off the gas and call in a professional plumber.

Finally, set the thermostat to a safe temperature. (For help, search for water heater temperature above.) In about two hours, youll have enough hot water for a well-deserved long shower.

The grease-pack valves found in older homes tend to leak as they age. Even if your local code doesnt require replacement, we recommend you install a ball-type gas valve instead ($10). Replacement isnt difficult; you just unscrew the old valve and screw on the new one. But you will have to turn off the main gas valve and later relight pilot lights. If you dont know how to handle these tasks, call in a professional plumber and expect to pay $80 to $150.

Youll find lots of accessories for your new water heater at the home center. Some are required by local codes; others are just good ideas. Plumbing codes vary, so check with your local inspector.

1. Gas shutoff valveAll codes require a gas valve near the water heater. If you have a grease-pack valve, see Old Gas Valves Can Leak section above.

2. Earthquake strapsThese straps prevent a water heater from tipping over and are required in earthquake-prone areas. $12 per pair.

3. Flexible gas lineA flexible gas line can withstand movement and is usually required in earthquake-prone areas. Theyre easier to connect than steel pipe, but theyre not allowed everywhere, so check with your inspector. $15.

4. Drip legAny dust or grit in the gas line falls into this short section of pipe before it can reach the water heaters control valve. The required length of the drip leg varies.

5. Isolation valveAll codes require a valve on the cold water line. Though not required by codes, a second valve on the hot line makes future water heater replacement easier. $10 each.

6. Flexible water linesThese flexible lines withstand movement and are required in earthquake zones. But you may want to use them just because theyre easy to install. $20 per pair.

7. Overflow panMost plumbing codes require a pan and drain pipe in locations where a leak can cause damage. But installing a drain pan is a good idea for any location. $18.

8. Expansion tankSome codes require an expansion tank to absorb the pressure created when heated water expands. $35.

9. Blow tubeThe T&P valve releases pressure, and a blow tube directs the scalding hot water toward the floor. The required distance between the blow tube and floor is usually 18 in. or less.

New Jersey building codes require a bonding wire be installed between the cold/hot pipes and the gas line. The majority of local codes dont require the bonding wires but they do serve a purpose. According to the experts we spoke with, bonding wires may actually extend the life of the water heater by diverting electrolysis from the anode rod and tankeven on electric models. So whether or not your local code calls for the bonding wire, you may want to install one to get more life out of your water heater. This little project is brain-dead simple. It only costs about $10 and takes about 10 minutes.

Have the necessary tools for this DIY project lined up before you startyoull save time and frustration.

Avoid last-minute shopping trips by having all your materials ready ahead of time. Heres a list.

Visit link:
Water Heater Installation - familyhandyman.com

How much does it cost to install a water heater?

A water heater is an important aspect of a home that lasts 10-15 years, not only for the comfort and amenities, but also because it is a major source for energy use. There are many options available when choosing a water heater, and every aspect affects the price. On average, a whole-house tank water heater for a 1,500 square foot home for 3-4 people costs $600-$800.

Below, well consider some of the options for a water heater, the pros and cons, and how it affects the price.

Tankless (or instant or on-demand) systems are often considered to be much more energy efficient because they only heat water as it is needed. However, many homeowners and consumer groups argue that tankless systems arent as great as they are often billed to be, especially since comparing the efficiency of the two styles is near impossible. Tankless heaters also tend to be much more expensive ($600 installed for a tank system and $2,500 installed for a tankless system) and can be more difficult to service. The energy savings average $70-$80 a year, but it still takes decades to make up the difference in the initial cost. Tankless heaters arent good for bigger families or for people who like to use water for multiple purposes at the same time, like washing dishes while doing the laundry.

Tank water heaters have a larger reserve of hot water, meaning you can use it for multiple tasks at once, like taking a shower and washing dishes. They are much less expensive to install and maintain, although they do end up costing more each year in energy costs. Tank water heaters also tend to provide hot water more quickly than tankless systems. On average, a 30 gallon heater is good for a household of 1-2 people, a 40 gallon heater is good for 2-3 people, and a 50 gallon heater is good for 3-4 people. For a household of five or more people, an 80-gallon electric system or a 50-gallon natural gas or propane1 system should be sufficient.

Whole house systems require more power and a larger space to operate. They also tend to be more expensive than single point systems, although that cost is used to provide hot water to the entire house. A 1,500 square foot home system averages $600-$800.

Historically, single point systems were for tankless systems, although there are more options now. Single point systems tend to be more efficient because the water doesnt have to travel as far before reaching its destination, giving it a smaller chance of heating unnecessary water and water losing its heat as it travels through long pipes. Single point systems are smaller and less expensive, as low as $200-$400.

There is always a risk of a water heater leaking, which makes its location even more important. A water heater should be placed somewhere it wont cause major damage if it leaks, such as a storage room or garage. Water heaters need to be accessible for maintenance and should have 12-18 inches clearance on all sides.

Plumbers typically charge $45-$65 per hour and can typically install a water heater in a day (6-8 labor hours), for a total labor cost of $270-$520. Water heaters that are difficult to access or that are in tight enclosures can take an extra 2-3 hours ($90-$195) to install.

Homes with solar water heaters may need a backup hot water system for when the solar system cant get enough sunlight to work. On average, a standard backup system averages $200-$300.

Flat plate solar collectors collect more heat and are a good option for larger heating projects, such as heating swimming pools. They start at around $7,000.

Energy-efficient water heaters come in a variety of types and styles. On average, a water heater with an energy-efficient label costs 10%-20% more.

See the original post here:
Cost to Install a Water Heater - Estimates and Prices at Fixr

So, you have finally gotten yourself a tankless water heater? Congratulations. But it is understandable, even with its versatile installation options, that you are wondering where you are going to set it up. And it makes sense because your choice of installation location can have an impact on how efficient your tankless water heater will be. Therefore, if you are wondering where your tankless water heater should go, then you have come to the right place. Here are some great ideas on where to install this advanced water heating system.

1. Close to Demand Sources

In general, the water heater should be as close to the source that supplies the hot water as possible. This ensures that hot water does not have to cover long distances before arriving at the outlets where it is needed.

Having the water heater far from the demand source can result in heat loss and hence reduced efficiency. Therefore, the water heater should be close to bathrooms, kitchen or the laundry area. Even the efficiency of the best tankless water heater can be affected if the system is not installed too far from the demand source.

2. Easily Accessible Areas

The water heater should also be installed in places that are easily accessible so that the heater is much easier to service. Fortunately, with its small size, the tank can be put in closets, under the sink and many other places.

3. Safe from the Elements

Also, although the tank can be installed outdoors, it is intended for indoor use. Consequently, when installed outside, it should be put under an enclosure to keep it safe from weather elements such as rain, direct sunlight, dust and even other kinds of things that might cause damage to it. Additionally, the heater should be installed in places where freezing is not likely since frozen water can cause serious damage to this water heating system.

4. Places with Lower Installation Costs

The tankless water heater can also go where the older version was located. This is great if you are looking to lower your installation costs. When you make this decision, you will only need to make a few changes as the water and gas lines will already be in place. The minor changes needed to make the tankless water heater work can be significantly lower as a result.

On a similar note, you should make installation decisions that dont require that you make substantial changes to your plumbing system. Otherwise, you could end up spending more on installation than necessary, and this can be easily avoided by installing the water heater in a place that offers better installation convenience.

5. Away from Hazards

As a precaution, you should not install the water heater in places where there might be excess humidity. For instance, putting it under water pipes or air conditioning could lead to moisture that could drip on the water heater due to leaks or condensation. Installations next to electrical boxes and junctions should also be avoided.

You can also consider a water leak detector and a shut-off valve that turns off the water supply when a leak is detected. This should ensure that the system does not suffer further damage and require expensive repairs as a result.

For additional safety, the water heater should be kept at a considerable distance from combustible substances and items. In general, there should be a distance of 24 inches between any such compounds and the water heater and the hot water pipe.

6. In Compliance with the Law

Finally, you should install the water heater in accordance with the laws in your state. This should keep you from running into any issues with the authorities. However, if there are no defined laws on how to install the tankless water, there are standard laws you can follow in order to install the tankless water heater properly.

Conclusion

A tankless water heater may over a lot of versatility as far as installation options go. But still, you should be careful not to put it in places where it might suffer damage, suffer from inefficiencies, or make maintenance an issue. Many tankless water heater reviews dont adequately address this fact. Granted, finding the ideal spot can seem a little overwhelming since you can have so many options as a homeowner. The above ideas should give you some direction as to where this important system needs to go in your house.

Read more here:
Where to install tankless water heaters ? - Baltimore Post ...

How much does a water heater cost?

Water Heater Repair

$250 - $350

40 Ga. Water Heater

$850 - $1100

Tankless Water Heater

$1200 - $3500

See costs in your areaStart Here - Enter Your Zip Code

Having a functional water heater is essential for every household to stay on top of all its daily routines. If the last time you replaced a water heater was 10 years or more, and its starting to give you trouble, it may be time to get a new device.

Moreover, a new addition to the family or increased water usage are also good reasons to consider getting a bigger size water heater that has more capacity, or switching to a tankless model.

Whether you are replacing an old water heater or installing a brand new system, there are a number of different options to consider. Popular hot water heaters are available as traditional storage tanks or tankless devices, and they can be powered by gas, electricity or solar energy.

Lets take a look at the installation costs for different types of water heaters, as well as their pros and cons.

In this post:

Cost to replace a water heaterInstallation costs break downTank vs tanklessGas vs electricHow to size a water heaterSplurging on an expensive brandExpansion tank considerationsSigns of an aging or broken water heater

Homeowners across the US are paying $850-2,500 to install a new water heater, including professional labor. Such a wide price range depends on the following factors:

type of heater (tank vs. tankless) size/capacity (40, 50, 75 gallons) power type (gas, electric, solar).

A storage tank water heater costs $600-900, but prices can be as low as $300-350.

A gas tankless water heater costs $800-1,300. High-end models are priced at $1,500-2,000+

Electric devices, both tank and tankless, are significantly cheaper than gas ones. For example an electric tankless water heater can cost as little as $200-500. An electric storage tank is $300-600.

There are a number of factors that will impact how much a plumber will charge to install your water heater:

1. Type of water heater

If you want a regular gas storage tank, the job is fairly straight forward. This is especially true if you are simply replacing the device you have had before with a new model. Consequently, you should expect to pay no more than $300-450 for this work.

Installation of a tankless gas device starts at around $1,200 because the process is more involved and time-consuming.

2. Switching from a tank to a tankless device

If you have a storage unit and want to switch to a tankless one, you should be prepared to spend a lot more. Homeowners looking to make this switch should budget $1,500-3,5000 for labor.

This is because in most homes the existing gas piping, meter and gas line to the meter may not be able to handle the high gas load of a tankless model.

Consequently, there will be a lot of additional labor involved in the install, such as:

retrofitting the existing gas line perhaps putting in a new line installing a proper venting system possibly having additional electrical wiring done (you will need to hire an electrician) maybe re-routing gas and water lines, and possibly electricity, depending on the layout of your basement and ventilation it may not be possible to vent the gas tankless heater into the chimney and the installer will need to do a direct vent outside

3. Installing an electric tankless water heater

Similarly, if you are switching to an electric tankless device, an electrician will need to do a lot of work to rewire and expand your homes existing system to handle the extra power usage from the heater (which is VERY high). Some of the most powerful electric tankless models can use as much as 120 amps.

So if you have a 100 amp service, you cant use a tankless electric water heater without upgrading the electric panel to at least 200 amps. On average, this will cost an extra $1,000-1,500. However, you cost can be as high as$3,000 depending on the complexity of labor involved, such as having to open walls, etc.

4. Your location

While this may not seem fair to you as a homeowner, the reality is that contractors rates vary depending on where you live. In high-income suburban areas, as well as expensive cities such as San Francisco, New York, Boston, Miami, etc. a plumber will charge as much as 15-25% more for labor, compared to areas where incomes are significantly lower.

5. Unreasonable pricing scams

Because most homeowners have no idea about plumbing and what this work entails, many plumbers take the liberty of charging EXTREMELY high prices for NO REASON. For example, many companies may offer to buy the hot water heater for you (they will help you select one), and then will roll their labor fees into the total cost.

As a result, many people end up paying as much as the cost of the heater itself for an easy, straight forward installation! For example, if your heater costs $700, your total charge will be $1,400, or more.

To avoid these types of companies, it is important to get estimates from 3-4 local professionals, and ask them exactly what type of work they will be performing. It is also a good idea to conduct your own research online, ask your neighbors, etc, to see how much homeowners in your area are spending on this home improvement project. If a contractor sees that you have done your research, he will most likely give you a fair price.

We strongly recommend paying for professional installation, as opposed to going DIY, because dealing with gas and electricity can be very dangerous!

There are four general types of water heaters: tank (storage), tankless, hybrid and solar. Tank and tankless models are the most popular, so we will focus on them.

If you have been researching various water heater options, you way be wondering if its worth it to pay more for a tankless model. Perhaps a traditional hot water heater would be just as good?

A storage tank is the most common and budget friendly water heater. It continuously heats and stores a specific amount of water (40, 50, 75, 100 gallons), in an insulated tank. The stored water is delivered via pipes, when its needed.

Lower-end models can cost as little as $300, but on average they run $650-850, by brands like Westinghouse. High-end tank heaters can cost over $1,000, by brands like A.O.Smith.

Pros to consider:

On demand or tankless water heaters DONT store water. Instead, they use special heating coils to heat water when you need it. These devices can cost significantly more than tank models of the same size (although high-end water heaters cost about the same). Prices start at around $800 for a gas heater from brands like Rheem, and can go up as high as $1,500+ for premium brands such as Noritz.

Electric tankless water heaters cost $160-500. EcoSmart, being a very popular, highly rated brand.

Pros to consider:

A typical on-demand unit is more expensive than a storage one, because it offers a number of significant advantages:

An electric water heater costs significantly less than a gas one. Among tankless models, the majority cost between $200-350. A device that costs between$700-800 is considered the very top of the line, from brands like Stiebel.

By comparison, the $700 dollar range is a fairly low average for a tankless gas water heater. The vast majority of gas devices cost between $1,200-1,800.

When it comes to storage water heaters the difference in price between electric vs gas-powered models is less pronounced. The range for most electric devices is $300-600, and you can find many gas heaters in the same price range. Still, gas tank style water heaters are more expensive overall, with many costing well over $1,500.

With tank-style models, the size of the water heater has a direct affect on the cost. The bigger the tank, the higher the price. The difference between 40 vs 50 gallons is about $150-250, depending on the manufacturer. However the difference between 50 vs. 75 gallons can be as high $400-600. Tanks that hold 100 gallons are very expensive. They often cost double or even triple the price of a 50 gallon tank of the same brand.

How to choose the right water heater (video):

Quickly determine the size water heater for your house

It all boils down to how much hot water you use. Some people like 30-minute showers and long baths, while others are in and out in 5 minutes, and never/rarely take a bath.

I was going to get us a 40 gallon tank, because I take 3-5 minute showers. But my plumber convinced me to go with 50 gallons, and he was absolutely right! My kids take baths (we have a large jacuzzi tub), and when they do, hot water disappears!

With tankless models, efficiency is determined by the maximum temperature rise possible at a given flow rate, known as GPM. Average size tankless heaters have a GPM rating between 5-6. More powerful devices can go as high as 11-12 GPM. Roughly, every additional GPM costs about $100 extra, depending on the manufacturer.

Keep in mind that gas tankless water heaters produce a larger temperature rise per GPM than electric models. This means that if your household water usage is very high and frequent, you are better off paying more for a tankless gas model.

Note, whether you go for a storage or tankless device, its important to get the RIGHT size, based on a real calculation of your households water usage. This may mean spending more money upfront, but its well worth it!

If you get a heater that is too small, your family will be very uncomfortable for the next 10-12 years in all daily tasks, from taking showers to doing laundry.

When you browse different devices, you will quickly notice that some water heater brands cost at least double the price of others, when all else is equal.

However, high-end brands are often more expensive for the following reasons:

they have better quality internal parts that last longer overall better design offer longer, more comprehensive warranties

Surely, you will also be paying a premium for the prestige of certain brands.

It may not be worth it to splurge thousands of dollars on a water heater by A.O Smith or Westinghouse, but it is also safer to steer clear of budget brands. While you will save a few hundred dollars upfront, in the long run, you will spend more on repairing or replacing a device that stopped working way before the expected end of life.

Your best bet is to go for good quality brands such as Rheem, Tagaki this is where the BEST VALUE is.

This depends on whether your house runs on a closed or an open water supply system. If you have a closed system, having a water heater expansion tank is a MUST. When the water in your tank gets heated, it naturally expands, this is called thermal expansion. As a result, pressure builds up, and this water needs somewhere to escape.

In an open system, the water will simply flow into the citys water supply. However, in a closed system, this water can cause your tank to burst, if it has nowhere to go. When you have this extra expansion tank, the water will temporarily go in there, and your house will be safe.

There are some easy ways to tell that your water heater is beginning to show signs of trouble. These may be fixable, but often signal that its time to get a new device.

Old age: if your water heater is older than 10 years, get ready to replace it within the next few years. Or you can do it now, instead of waiting for it leak or break

Sudden leakage around the water heater tank. This is a sign of serious internal damage, and you need to call a plumber right away

The water temperature is not as hot as it used to be, or worse yet, its cold

You hear loud crackling sounds or banging coming from the device

The color of the water that comes out is not clear. Often it has a rusty color

The hot water that comes out has an unusual smell, or an unpleasant taste

How much does a water heater cost?

Water Heater Repair

$250 - $350

40 Ga. Water Heater

$850 - $1100

Tankless Water Heater

$1200 - $3500

See costs in your areaStart Here - Enter Your Zip Code

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2019 Costs to Install a Hot Water Heater

Energy efficiency is a top priority when it comes to shopping for your home's large appliances. A hot water heater will be used every single day, so you want the one that can perform the best for your home. Sears has a large selection of energy-efficient hot water heaters. Sears carries models from electric to tankless hot water heaters, so you can find one that fits your needs best and helps you save on utilities. With a new water heater andwater softeneryour home's water will have the feel and temperature you want all the time.

When shopping for your water heater, you'll want to check your state's requirements. Sears carries a number of gas water heaters that are compliant with California state laws. Even if you don't live in a state with specific requirements, you fan find a wide variety of options that will best suit your water usage needs. Consider how large your family is and how they use hot water so that no one in your home ends up surprised by cold water coming out of theshower head.

With a selection of electric water heaters, gas models and even hybrids, you can find a hot water heater that will make your showers comfortable and reinvigorating every time. Shop for your next water heater and all your other appliances at Sears.

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Hot Water Heaters | Best Water Heater Prices - Sears

Fast Water Heater Company is the hot water heater expert, having installed and replaced hundreds of thousands of water heaters during the past three decades.

What separates Fast from its competitors is the commitment to providing excellent customer service, abiding by all pertinent codes, and installations of the utmost safety. Regardless if you live in a single-family home, condo, apartment, mobile home or townhouse, you can count on same-day installations; just call by noon.

For all residential, tank-style water heaters, we offer free estimates. A skilled technician will arrive at your home with the water heater of your choice, go through a check-list of current local codes, and provide you with a no-cost, no-obligation final price. If you agree to the price, the technician will get it installed right away.

However, if you need to think about it for any reason, the technician will leave you with a free estimate. No pressure, no hastle.

To ensure high-quality work and customer peace of mind, all company technicians are background-checked, licensed, bonded, and thoroughly trained to safely and quickly replace and install water heaters. In addition to traditional tank water heaters, we also carry Energy Star units, tankless water heaters, and heat pump water heaters.

We install Rheem water heaters, and are an official service provider for the brand.

When you call, a dedicated installation coordinators will provide you with starting, package-pricing, which includes:

Your installer will arrive prepared to work, with a water heater ready to install. And, if youve been shopping around, we offer a 5% lowest price guarantee, as long as the competing quote is from a licensed professional who pulls permits (if required in your area).

Most importantly, our technicians are local to your area, which means they are up-to-date on all local plumbing codes, safety regulations and regional installation trends. Additionally, we have several warehouse facilities throughout our service areas so you can get hot water back quickly and efficiently.

Call us now to setup a new water heater installation or submit the form below to receive more information.

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Water Heater Installation | Same-Day Service & Replacement