strange noise
Posted by inscope on March 22, 2002 at 17:35:39:
My Hydrotherm gas boiler and related equiptment, emit a moaning , crying sound, when heating water. The boiler is in the basement, unheated, but stays around 58 degrees. The pressure relief valve, fast fill and expansion tank are new. I sounds like an expansion noise, but it also sounds like a moaning animal..sorry thats the best I can describe it...any ideas? thanks for your input... PS I cant tell where the noise is coming from..i put a tube to my ear and listende all around..but no definite answer

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