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Expansion Tank Sizing

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Bill Armstrong
Bill Armstrong Member Posts: 2
in THE MAIN WALL
Anyone know where to find the volume of water in a newer style cast iron radiator, large tube, 4 tubes per section, 36" high, 6 sections? Thanks.

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  • Bill Armstrong
    Bill Armstrong Member Posts: 2


    Forget the reference to "newer style"---that is confusing.
  • Dave Roate
    Dave Roate Member Posts: 2
    expansion tank sizing

    Bill, on page 59 of the Burnham Heating Hepler, water volumes are listed. Your radiator is rated at 25.5 sq ft EDR. The volume is .103 gallons / sq ft or 26.26 gallons per radiator.
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