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Single pipe steam??

this is my 1st year in my first house as a new homeowner. My question is how do you get all the radiators to heat equally. My 3rd floor bedroom is a sauna that i had to shut off one of the radiators. But now that is affecting the radiator in one of the bedrooms just below it. I changed the valve to a size 4 in the attic but it heats up so fast. I really want the bedrooms on the 2nd floor to heat as fast as the 3rd floor. As for the first floor, I'm always bleeding out one of the radiators. please help..


  • First you need proper main vents

    measure the length and diameter of your mains and tell us what vents are on them.

    That runaway third floor radiator may have a loose packing nut on the shutoff valve. This would let air escape on start-up but may or may not let steam escape after it has warmed up. Try tightening the nut but don't force it.

    It you're not successful, it's time for a pro. Try the Find a Professional page of this site to locate someone near you. If you're in the Baltimore area, contact me.

    To Learn More About This Professional, Click Here to Visit Their Ad in "Find A Professional"
  • Antonio Serrano
    Antonio Serrano Member Posts: 2
    Single pipe steam??

    when you say the mains diameter and length, do you mean the main pipes coming out of the boiler?
  • chuck_6
    chuck_6 Member Posts: 107
    single pipe steam

    To save Steamhead a response, yes the pipes that come out near the boiler. You probably have one or two mains, and from the mains you have branches that go to the radiators. Measure the diameter of the mains and the length of each main. Steamhead will advise as to the vents you need. Trust me. Steamhead has helped me many times, so go with his suggestions.
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