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BASEMENT RADIATOR ON HOT WATER SYSTEM WON'T GET HOT

MARK_123
MARK_123 Member Posts: 4
in THE MAIN WALL
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  • tpmcd
    tpmcd Member Posts: 2
    radiator

    installed munchkin boiler and now the basement radiator won't get hot
  • tpmcd
    tpmcd Member Posts: 2


    THE HOUSE HAS A TWO PIPE CONVERTED GRAVITY WATER SYSTEM WITH ONE RADIATOR IN THE BASEMENT BELOW THE MAINS,BLED AND GOT ONLY GOT WATER YET RAD STAYS COLD WHILE EVERY OTHER ONE IN THE GETS HOT
  • bob young
    bob young Member Posts: 2,177


    increase pressure to max.
  • boilers northwest
    boilers northwest Member Posts: 2
    no heat radiator

    sounds like the a pump problem. is it running primary,secondary
    condensing boilers piped incorrectly will create to much headloss
    pump may be to small
    shut some of the valves to the upper rads forcing more gpm to the lower rad
  • [Deleted User]
    [Deleted User] Posts: 672
    i had a similar

    experience with two ci rads after a boiler swap. the rads/lines needed a good flushing, at the rads, because the circuit flush didn't clear those two, even though it cleared the convectors in that circuit. black sludge
  • nick z.
    nick z. Member Posts: 157


    If possible, turn off the valves at all the other rads except for the problem one. If you get the hot water to flow through it once it will work. Another thing is to drop water temp intil you get to flow to rad then increase the temp. back to where you need it.
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