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Re: Hot water for garage bathroom

To: <shop-talk@autox.team.net>
Subject: Re: Hot water for garage bathroom
From: "Karl Vacek" <kvacek@Ameritech.net>
Date: Sat, 11 Nov 2006 09:13:05 -0600
Watts sells an instant hot water system too.  Theirs has a little 
pressure-boost pump that installs at the water heater, raising the hot water 
pressure slightly.  At any (or every) faucet you can install a thermostatic 
valve that bypasses cool water back through the cold water line.

It's a fairly inexpensive system, easy to install, and it requires no return 
lines.

The obvious drawbacks of this system are that the hot water lines throughout 
the house or slab will always be losing heat, and the cold water lines will 
be lukewarm.  If you can install return lines, you can eliminate the 
lukewarm cold water problem.  Then again, for bathroom use, assuming that 
most times someone is washing hands they've also just flushed the toilet, 
the cold water will be purged anyway.  In the summer warmer water in the 
toilet tank will lessen tank sweating too.

You could, of course, also install a timer on the water heater pump and only 
run it during the hours you want instant hot water...

Karl 




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