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spirovent is leaking from the vent foaming glycol system

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stmary
stmary Member Posts: 1
in THE MAIN WALL
Can this be repaired or needs to be replaced?

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  • hot_rod
    hot_rod Member Posts: 22,191
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    Foam is hard for a vent tO deal with. Foaming glycol is often caused by dirty fluid conditions. You can buy anti foaming additives for glycol solutions. Or flush clean and start with fresh glycol, premixed with DI water
    Bob "hot rod" Rohr
    trainer for Caleffi NA
    Living the hydronic dream

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