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21\" 3-column EDR

steve_173
steve_173 Member Posts: 140
in THE MAIN WALL
I have some 21" 3-column radiators that I need an EDR for. The tables seem to only have 18" and 22" for 3 column. Does this indicate that only 22" were made and I am measuring incorrectly? Are there more expansive tables?

How do I calculate the EDR just from the dimensions of the radiator?

Comments

  • Unknown
    Unknown
    steve

    Allow 3 sq. ft. per column, and you should be OK.
    The slight difference is negligible.
  • steve_173
    steve_173 Member Posts: 140


    Thanks. Just to be doubly sure since I may have to argue about it. 2.25 is too low?
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