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Thread: Can main water be turned off with tankless gas water heater?
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Old 05-16-2025, 08:35 AM
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Originally Posted by Casey Beach View Post
We are leaving for several months and want to turn off the main water valve to house. But we have a gas tankless on demand hot water heater. Do we need to leave the main water valve on so as not to damage the gas tankless on demand water heater?
Thank you.
I would suggest contacting the manufacturer of the tankless water heater to see what is the proper procedure to follow, I am betting it is different for gas and electric water heaters.
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Last edited by villagetinker; 05-16-2025 at 10:41 AM. Reason: fixed spelling error.
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