Forum Discussion

Ltrip's avatar
Ltrip
Explorer
Oct 30, 2022

Is there a back flow valve on the hot water outlet

I am winterizing. Done this many times. I flip the switch to bypass the water heater. The anode is out of the water heater. I put the tube into the gallon of anti-freeze and turn on the pump. Ant...
wa8yxm's avatar
wa8yxm
Explorer III
Oct 31, 2022
You said you flipped the "Switch to bypass the water heater"

Never seen an RV with such a switch.. Valves yes. Switches no
If you have a SINGLE bypass valve then there is a check valve on the water heater outelt.

If you have two or 3 you need to change. there may or may not be (It is not needed. I had a 3 valve. no check vlave.

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