Quote:
Originally Posted by bubba 96
Your suppose to bypass hot water tank, from what I’ve been told the rv antifreeze will corrode and eat the lining of the hot water tank, been told this by a few rv techs..
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^^^ Absolutely correct, always bypass hot water tank.
I blow the system out, old copper and new PEX is good for your 100 psi compressed air. Dribble a bit of RV antifreeze in traps if your worried.