Forum Discussion

ron_dittmer's avatar
ron_dittmer
Explorer III
Aug 14, 2015

Don't Understand Value Of 3-Valve Hot Water Bypass

A recent hot water tank discussion inspired me to ask this question. What value is there in having the 3-valve hot water bypass? I have never used ours. When I winterize our rig, I drain everything...
Class C
ronfisherman's avatar
ronfisherman
Moderator
Aug 14, 2015
If your using antifreeze when winterizing. Then the bypass valve allows total bypass of water heater after it has been drained. This saves up to 6 gallons of antifreeze on a RV with a 6 gallon water heater.

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