Quote:
Originally Posted by K'ledgeBldr
Just curious, did they include an “expansion tank”? Do you have one now? If not, it will be a requirement. If so, now’s a good time to replace the old one- they don’t last forever!
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When I had my water heater replaced, the expansion tank was only required if there was a check valve on the main feed line coming in from the street. The theory is that, without a check valve, the entire municipal plumbing system is your expansion tank.