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Help with Piping Pensotti Radiator Diagram Attached

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ced48
ced48 Member Posts: 469
edited August 2019 in THE MAIN WALL
I am trying to substitute 17' of baseboard with a Pensotti flat panel radiator. Just not sure how to do this without upsetting the balance of split loop system shown in the enclosed diagram.. Any suggestions, thoughts, would be helpful.

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  • Solid_Fuel_Man
    Solid_Fuel_Man Member Posts: 2,646
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    What are your connection sizes for the panel rad?

    Assuming what you have now (piping and fin tube) is all 3/4" copper?

    You may be able to do a venturi T to the new rad.
    Serving Northern Maine HVAC & Controls. I burn wood, it smells good!
  • ced48
    ced48 Member Posts: 469
    edited August 2019
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    !/2" connection for the radiator, 3/4" fin tube. Penscotti offers a bypass valve, which can be adjusted.
  • hot_rod
    hot_rod Member Posts: 22,141
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    typically no more than 3 panel rads in series, with those bypass H valves Unless is upsize the rads on the tail end of a larger series You can calculate temperature drop thru a series of emitters
    Splitting the loop would avoid an excessive delta
    Bob "hot rod" Rohr
    trainer for Caleffi NA
    Living the hydronic dream
  • ced48
    ced48 Member Posts: 469
    edited August 2019
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    Because it would be the first emitter in the series, what would happen if it was piped direct? I am not sure how to figure pressure drop for the unit, so there in lies my confusion.

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