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Strange ?

Jim Pompetti
Jim Pompetti Member Posts: 552
I have a problem with this one job. The pipes bang ,but only at night . Good water pressure . Circ are new(within a year), Water temp is good. Ive never heard it. Any answers?

Comments

  • SWEI
    SWEI Member Posts: 7,356
    ORC?

    Could this be firing rate or output temp related?
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