different groaning pipes
Posted by tom on May 31, 2003 at 21:38:32:
Pipes make a loud humming noise after hot water is run (and hot water tank is heating more water). The noise will occur for 5-10 seconds then will repeat again in 30-50 seconds. It will stop temporarily if faucet is turned on or altogether when hot water tank finishes heating water. Last plumbing change was about 3 years ago when we added a humidifier to the furnace, so why did it start now and how can I stop it?
Thanks for any information,
Tom


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