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March 12, 2009
Power Up the Flush
Q: Hi, Ed. My neighbors and I love reading your column, and we recently saw your article on "air-power flush" toilets. We live in a 12-story condo tower with 120 units, and many of us are looking for toilets with a stronger flush. Will these air-powered toilets harm the existing plumbing system in large buildings or cause problems with nearby units? Also, does it take special knowledge for a plumber to install them?
Bill, Illinois
(Editor's Note: Click here for a photo gallery of interesting toilets.)
A: Nice to know I'm a big hit in a big building!
First, let me catch everyone up to speed with "air-pressure-assist" toilets. These toilets use water pressure to create air pressure in a sealed chamber inside the toilet tank. When flushed, the trapped pocket of pressurized air pushes the water out of the chamber and into the bowl at a high rate of speed.
It's a very simple and reliable system that has been used in the commercial market for years and is now becoming very popular in the residential market because of a major breakthrough in noise reduction. These new toilets are now pretty quiet (it shouldn't wake up the building) for an assisted-flush toilet, opening the door for more and more people to install them in a home or condo.
These toilets are installed -- and they drain -- the same way as any standard toilet. So, as far as causing issues with your plumbing system and/or neighbors, there should be no concerns as long as you follow your local codes. Most air pressure-assisted toilets will only use 1 to 1.4 gallons per flush so you will also save water over standard 1.6 GPF toilets. Since the technology is not new, only improved, you should be able to find both parts and plumbers that install and service these toilets fairly easily.
The only thing to watch out for is your existing water pressure. You need adequate water pressure (usually over 35-40 psi) to properly flush air-assisted toilets. So, if your condo board approves, and the units meet guidelines and local codes, you're well on your way to making your building a "toilet tower of power!" (And for a photo gallery of interesting toilets, click here.)
Ed Del Grande, the author of Ed Del Grande's House Call, was born and raised in a family-owned plumbing business. With more than 25 years of experience in every aspect of construction, he holds current Master licenses in pipefitting, fire protection and plumbing. If you have a question for Ed, send him an e-mail at eddelgrande@hgtvpro.com.Posted by Ed Del Grande at March 12, 2009 10:45 AM
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