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Radiant makes "pinging" noise

TKGreen
TKGreen Member Posts: 1
I have been asked to assist in a troubleshooting game: A Rehau radiant system was installed using heat transfer plates. When the system is heating up, a metallic pinging noise (metal on metal maybe) is heard. Not ticking or expansion as I would immediately suspect, unless the expansion can create this strange noise, which is heard randomly all around the home. Has anyone come across this type of noise before?

Comments

  • meplumber
    meplumber Member Posts: 678
    Heard it before.

    I have heard this noise before on HO installed underfloor plates. Uponor (Wirsbo) recommends a minimum of 1/4" and prefers 1/2" between any two plates. This is to prevent excessive noise caused by expansion of the aluminum during heat/cool cycles.
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