Reply To: Expansion tank

The Tank Expansion tank Reply To: Expansion tank

#8792
Larry Weingarten
Participant

Hello: You need a pressure gauge 😉 It will tell you if thermal expansion is a concern. If your house has a pressure reducer, backflow preventer or some other goodie in the supply line that prevents water from backing into the cold main line, you likely need an expansion tank.

Yours, Larry

Water Heater Rescue

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