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Noise in boiler

S Davis
S Davis Member Posts: 491
in THE MAIN WALL
Sorry double post.

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  • Larry Chappa
    Larry Chappa Member Posts: 11
    Noise in boiler

    I have a gas fired hot water boiler with 3 zones. Water temp is set to 180. I have blead the system of air and replaced the expasion tank because of a leak.When the system is under fire and coming up to temp I hear what sounds like expansion noises at the boiler and every so often I get a single thump.I have all baseboard radiators and the sound is not the usual crackling noise that you hear when a zone calls for heat.I run about 20 psi under load at the boiler. Any ideas on this problem? LT
  • S Davis
    S Davis Member Posts: 491
    Noise

    Does it sound like a tea kettel comming to a boil?


    S Davis
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