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Trainco Heatmaker model HW-M2, hard time starting

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dahhirsch
dahhirsch Member Posts: 1
in THE MAIN WALL
My Heatmaker boiler cycles on and off 3 to 4 times before it starts. I replaced the igniter last year. I'm thinking it's the gas valve but hate to spend $300 and not be the problem. Thanks for any help you can give.
DH

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  • DZoro
    DZoro Member Posts: 1,048
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    Has it been serviced lately, chances are it may just need a good tune and clean. Many of those are near or at 30+ year range. Not sure about your boiler though.
  • Alan (California Radiant) Forbes
    Alan (California Radiant) Forbes Member Posts: 4,033
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    I think you will need a technician familiar with residential boilers for this one. If he needs help, call Laars at (800)900-9276. I believe they still support these boilers.
    8.33 lbs./gal. x 60 min./hr. x 20°ΔT = 10,000 BTU's/hour

    Two btu per sq ft for degree difference for a slab

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