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Small baseboard heater no heat

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Ianlovestish_05
Ianlovestish_05 Member Posts: 11
in Radiant Heating
I have a new install boiler weil mclain cga-4 with taco 007e pump on single loop 1” with 3/4” baseboards. The bathroom baseboard won’t heat up I have purged it several times at the baseboard plenty of pressure and no air coming out. I’m stumped I can provide pictures any help appreciated

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  • Ironman
    Ironman Member Posts: 7,376
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    How is it piped? Monoflo loop?
    Bob Boan
    You can choose to do what you want, but you cannot choose the consequences.
  • EBEBRATT-Ed
    EBEBRATT-Ed Member Posts: 15,523
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    Are your other baseboards heating? If it is a series loop they will all heat or not heat. If it's a monoflo loop it's a different story
  • Ianlovestish_05
    Ianlovestish_05 Member Posts: 11
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    I’m pretty sure it’s mono flow it has a 1” loop with 3/8” branches off of it all other baseboards work fine
  • GW
    GW Member Posts: 4,692
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    The classic air bubble, look for a pipe pitched the wrong way. Worse case you’ll need to cut in a purge
    Gary Wilson
    Wilson Services, Inc
    Northampton, MA
    gary@wilsonph.com
  • SuperTech
    SuperTech Member Posts: 2,160
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    It's definitely an air pocket. If you have a coin vent on the baseboard you can easily get the air out.
    I've heard a few drops of dawn dish detergent added to the boiler will help with air removal.
  • Ianlovestish_05
    Ianlovestish_05 Member Posts: 11
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    I’ll try bleeding it again I have left it flow out at least 2 min before hope the installer put the correct mono flow t on there
  • HVACNUT
    HVACNUT Member Posts: 5,835
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    > @Ianlovestish_05 said:
    > I’ll try bleeding it again I have left it flow out at least 2 min before hope the installer put the correct mono flow t on there


    The perimeter loop and Tee's were replaced?

    It wasn't just a boiler replacement? Sure, piping at the boiler was replaced but the branches were altered too?

    They didn't reverse flow did they?

    You might need to bleed that rad a lot longer than 2 minutes. It might take an hour. The long runs can be a real pain in the butt.
  • Ianlovestish_05
    Ianlovestish_05 Member Posts: 11
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    The branches look original too me but there is some new copper piping where I believe they added the kitchen and bathroom ones the bathroom one is on the end of the loop I’ll try blending it longer
  • Ironman
    Ironman Member Posts: 7,376
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    How about some pics of the piping, including the Tees for that branch?
    Bob Boan
    You can choose to do what you want, but you cannot choose the consequences.
    SuperTech
  • GW
    GW Member Posts: 4,692
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    Super, if the runout(s) or the bleeder is pitched incorrectly, you can bleed till you’re red in the face- ain’t gonna happen. Sometimes one can get lucky by man handling the upside down piping and get the bubble to move
    Gary Wilson
    Wilson Services, Inc
    Northampton, MA
    gary@wilsonph.com
    SuperTech
  • Ianlovestish_05
    Ianlovestish_05 Member Posts: 11
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    I’m back again I got the baseboard to get hot but it did not last I can hear air in the lines I don’t have a purge station just a drain I’ll post pics this time
  • Ianlovestish_05
    Ianlovestish_05 Member Posts: 11
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  • Ianlovestish_05
    Ianlovestish_05 Member Posts: 11
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    As pics show there is no purge station and I can get the bathroom baseboard hot buy putting a hose one the drain and opening the fill valve but it won’t last
  • JUGHNE
    JUGHNE Member Posts: 11,061
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    Any pictures of the old boiler and piping at it?
  • pecmsg
    pecmsg Member Posts: 4,845
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    Ianlovestish_05 said:




    That gas flex line is not allowed to enter the cabinet like that.
    Read Dans book Pumping Away
  • Ianlovestish_05
    Ianlovestish_05 Member Posts: 11
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    Hmm it passed city inspection with that gas line if it’s not code I’ll change it
  • Ianlovestish_05
    Ianlovestish_05 Member Posts: 11
    edited January 2021
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    The old plumbing it where it branches off the loop is new this is what the home inspection came with
  • GW
    GW Member Posts: 4,692
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    Wow- code official passed that- wow 
    Gary Wilson
    Wilson Services, Inc
    Northampton, MA
    gary@wilsonph.com
  • Ianlovestish_05
    Ianlovestish_05 Member Posts: 11
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    Yes the did pass I was there with them I’ll change it immediately
  • Ianlovestish_05
    Ianlovestish_05 Member Posts: 11
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    This is the baseboard I’m having trouble with it gurgles when its working and when it goes silent it stops

  • pecmsg
    pecmsg Member Posts: 4,845
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    Ianlovestish_05 said:

    Yes the did pass I was there with them I’ll change it immediately

    Code is Minimum, im surprised he didn't see that or maybe not!

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