If I am going on vacation for an extended period during winter (it occasionally gets below freezing here), should I turn off water valve AND the gas water heater or just turn off the main water valve?
I am seeing a lot of people advising to close the main water valve but leaving the gas water heater on "pilot" or "low". I am worried because what if a water line bursts and drains the water out of the water heater? Wouldn't it damage the water heater?
Please advise.
Thank you,
RK.
Water – Turn off water heater as well during winter
gasheaterwaterwinter
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Best Answer
Ideally..
Turn the power/gas off to the water heater.
Turn off the water to the building.
Remove the water from the entire building, including the water heater, toilet tanks and water supply lines.
Pour RV antifreeze into every waste trap, including the toilet bowls.
The building is now winterized and your safe even if the heat goes off. If the heat goes off and you haven't removed all the water, you will probably pay for it.