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Hot water heater

plumbit
plumbit Member Posts: 19
in Domestic Hot Water

so as of 4 months ago my 10yr old Polaris hot water heater started making a thumping sound only heard outside on the exhaust pipe when the burner starts. After it’s been running the thumping sound stops. But once burner starts again the thumping starts again. I took the cap off the condensate line and when the burner initially starts water splashes out the top. I have attached some pictures to see what your thoughts are. The condensate line was blown out about two week ago only from the white pvc cap

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Comments

  • plumbit
    plumbit Member Posts: 19

    I’m trying to upload a video but no luck

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