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flow in fin tube baseboard heat

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mdwdrw69
mdwdrw69 Member Posts: 1
Does running more than 4gpm in a standard high output fin tube base have any effect on the maximum output
Or is the maximum achieved at 4 gpm and anything faster just stays capped at the maximum output

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  • Jamie Hall
    Jamie Hall Member Posts: 23,438
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    The only thing changing flow rate will do -- within reason, that is -- is change the delta T across the radiation. In principle, a smaller delta T, for a given input temperature, will give slightly higher output, since it is the average of the input and output temperatures which determine the output.
    Br. Jamie, osb
    Building superintendent/caretaker, 7200 sq. ft. historic house museum with dependencies in New England
  • hot_rod
    hot_rod Member Posts: 22,258
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    plus velocity wear and noise at high flow rates
    Bob "hot rod" Rohr
    trainer for Caleffi NA
    Living the hydronic dream