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Replacing radiator air vents

I have three radiator air vents that are at least 16 years old and won't stop venting when they come up to temperature.   2 are maid-o-mist no.4 and 1 is a Gorton D.  Since I've had good luck in they past with Gorton and Hoffman but not MoM, I thought of replacing the MoM4 with Hoffman 40 and the Gorton D with another Gorton D.  I saw the H40 had slightly higher venting rate than the MoM4.  Is this a good course to take?  Other choices or recommendations?

Comments

  • Steamhead
    Steamhead Member Posts: 16,832
    It's unusual to find a Gorton or M-o-M #D vent on anything but a radiator of 100 Square feet or so. First thing I'd do is check and likely upgrade your main vents.
    All Steamed Up, Inc.
    Towson, MD, USA
    Steam, Vapor & Hot-Water Heating Specialists
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  • mjgordon
    mjgordon Member Posts: 15
    Steamhead, thanks. Two 2" mains of about 20' each that are each vented by a Gorton #1 vent.  The radiator with the Gorton D is about 32 sqft EDR, and I always thought it weird but didn't want to mess with whatever balance was achieved years ago.