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- posted
9 years ago
Will a thermal expansion tank also work on the outgoing hot water line from the water heater?
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- posted
6 years ago
Yep and an increasing number of localities are even requiring them. Even vacuum breaker valve's for when a fire department uses a hydrant are starting to be required. I've never had either and never needed them, even remotely, under any circumstance.
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- posted
6 years ago
Slight correction. The expansion tank should go on the cold or water supply side, not on the hot side.