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air vents

Frank_34 Member Posts: 7
Do air vents on 1-pipe steam radiators tend to fail completely or is their failure gradual? I've pulled some vents and can get air through them but I was wondering if the flow is restricted relative to a new air vent?


  • Mattv_2
    Mattv_2 Member Posts: 12

    How old are they? How old are the main vent on the system?

    You really should not have to replace them can be cleaned.my system if I hear some hissing going on I will start by cleaning the main vents and go from there until I don't hear anymore hissing coming from the rads.

    Good Luck let me know
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