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
jeffengle's avatar
jeffengle
Explorer
Aug 15, 2015
If you just blow out your lines & do not bypass the water heater,on some models there is still water in the top line to the heater that can freeze.

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