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Radiator BTU

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Yuri
Yuri Member Posts: 2
in THE MAIN WALL
Where can I find information how to calculate how many BTU 1 rib of cast radiator output.

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  • Steamhead (in transit)
    Steamhead (in transit) Member Posts: 6,688
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    Depends on the \"rib\"

    which is known as a "section". There are many different types- can you post some pictures here?

    Also depends on whether this is a steam or hot-water system.

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  • Yuri
    Yuri Member Posts: 2
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    Radiator is water radiant radiator (24" high and 6" deep)
  • bill garnett_2
    bill garnett_2 Member Posts: 21
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    EDR

    You could calculate 5 sq ft per section (conservatively)multiply that by 180 for water and for steam use 240 x 5 x # of sections, some swag involved in this equation
  • Buzz G.
    Buzz G. Member Posts: 61
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    Don't you need to know the temp at which the water will be circulating before you try to determine the potential output of a radiating body? For steam you always assume it is 212 or a little over but water is widely variable as to the temp used when it circulates.
  • Unknown
    Unknown
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    Buzz

    The sq.footage(capacity of the rads output) should be known, then Yuri can calculate the water temperature it needs to satisfy the room(its going in) H/L requirement. There are tables for this too. He may be able to use a smaller, or larger rad, at this water temperature to meet the demand, and maintain continuity of the circuit, but the EDR must be known first.
    Hopefully he did his homework, to match-it with any other rads(if any) on this circuit! :-)

    Dave
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