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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
GMandJM's avatar
GMandJM
Explorer
Aug 14, 2015
mlts22 wrote:
I've blown out the lines and still have had water in low spots, so that is why I bypass the water heater. Instead of RV antifreeze, I pour cheap vodka in, run that through the lines, then blow all that out with the air compressor. The alcohol inhibits mold growth, and any water that is in low parts will have enough booze in it so it doesn't freeze at 32 degrees.


Now there's an excellent excuse for me to buy cheap vodka!

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