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Radiator valve is TOO LOUD!

I have a one pipe heating radiator and my valve is EXTREMELY loud. Whenever it's heating up, it squealing and sputters like crazy for quite some time. The radiator and valve is fairly old as well.

How do I fix this?

Thank you for reading.


  • BobC
    BobC Member Posts: 5,478
    loud radiator

    This can be caused by several things -

    - High pressure, the boiler should be running at 2 PSI or less

    - Pipes and radiator not sloped, both need slope so water can find it's way back to the boiler.

    - Is the boiler water clean, if it has oils in it you will produce wet steam. The water in the sight glass should not be moving around a lot when it's making steam.

    - Venting, what kind of air vent does that radiator have and do you have vents on the steam main?

    If none of these seems to help repost this in the strictly steam section.

    Smith G8-3 with EZ Gas @ 90,000 BTU, Single pipe steam
    Vaporstat with a 12oz cut-out and 4oz cut-in
    3PSI gauge
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