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how many liner feet..............................

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Snowmelt
Snowmelt Member Posts: 1,415
in THE MAIN WALL
How many Btu can fit in a 3/4 pipe i'm thinking 70,000 but whats the max linear feet of Baseboard will that be( I think it was 62 linear feet will carry 70,000 BTU but I can be wrong.

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  • GBart
    GBart Member Posts: 746
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    3/4 baseboard will carry 44,000 93ft approx, I think it depends on the manufacturer??
  • hot_rod
    hot_rod Member Posts: 22,131
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    Comfortable flow rate for 3/4 copper shown here, use the 4 fps right column.

    Next determine the delta T you intend to run. At 20° you move 10,000 btu/ hr./ gpm . So 6 gpm = 60,000 BTU/ hr via 3/4 copper.

    Use the fin tube manufacturers data to see output at various SWT and flow rates.

    Bob "hot rod" Rohr
    trainer for Caleffi NA
    Living the hydronic dream

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