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Main Vents?

I have a one pipe system with 7 radiators on it, I do not have any main vents, is this ok?  It seems to take a while for the radiators to get hot and they scream like a banshee on a cold night.  I have replaced all the vents on the radiators themselves and they all work but should I have main vents installed?


  • DavidK_2
    DavidK_2 Member Posts: 131

    I'd vent the mains - that way steam gets to all radiators at about the same time, and you are not asking the radiator vents to also vent the mains.
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