Plumber: Add a diverter to improve shower efficiency

Q: I want to install a new custom shower area with multiple shower heads, but I want to make it as water-efficient as possible. Any tips on how I can make my new multihead-shower stall a relaxing experience while still being environmentally friendly? -- Bill, Rhode Island

A: First off, check with your local plumbing inspector so you can follow your local water-usage codes. Some areas of the country put limits on the amount of fixtures you can install in one shower stall.

That said, here are three basic tips on how you can install a more efficient multihead-shower system:

1. Use higher-efficiency shower heads. Standard shower heads use 2.5 gallons per minute, while higher-efficiency heads use 1.75 gpm. Look for quality, higher-efficiency shower heads that are designed for maximum performance.

2. Add a recirculating hot-water pump. A plumber can install a recirculating hot-water system to provide faster hot water to your shower. This saves on wasted cold water while you wait for the shower to warm up.

3. Include a wall-mounted diverter valve. Adding a diverter control that only allows one shower head running at a time can give you all the features you want, without turning your shower stall into a mini-car wash!

Master contractor/plumber Ed Del Grande is known internationally as the author of the book "Ed Del Grande's House Call," the host of TV and Internet shows and a LEED green associate. Visit eddelgrande.com or write eadelg@cs.com. Always consult local contractors and codes.

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Plumber: Add a diverter to improve shower efficiency