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Old 10-23-2013, 08:18 PM   #11
theeyres
Senior Member
 
Join Date: Apr 2013
Location: Green Valley, AZ
Posts: 782
Quote:
Originally Posted by JRTJH View Post
Your method will work BEFORE you close the bypass valve. After the bypass valve is set to "bypass" opening the faucets is no longer "in the loop" That's when you will need to open the relief valve to drain the HWH.
That makes sense. I have always drained it when I'm draining everything else, then close the bypass valve and put in the anti-freeze.
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Earl

2007 33.5' Arctic Fox Fifth Wheel used for full-timing for several years--now sold
2011 Hideout 23RKSWE that we now use for poking around local parks
2007 Chevy 3/4 ton diesel with Prodigy Brake Control
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