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Weird bubbling sound

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Gerry Ermer
Gerry Ermer Member Posts: 4
in THE MAIN WALL
Sounds like a lime filled boiler> Have you had any water leaks or releif valve spills. If it is lime the boiler needs to be cleaned with tri sodium phosphate!

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  • Michael Fair
    Michael Fair Member Posts: 6
    Weird bubbling sound

    My boiler has a loud bubbling sound on start up, once and awhile. This also accompanied with a small water hammer. I have had the boiler cleaned with a chemical for Comstar “steam clean”, which is still a bright green after a weeks, could the pH of the water be off or something else.
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