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Number of 1/2 pex radiant loops can be run off 3/4 copper pipe

ed m
ed m Member Posts: 65
in THE MAIN WALL
need to run 1200 ft of 1/2 pex for radiant heat, a new extentsion. there was radiant in the floor,demoed it all now need to run 5- 250 ft loops do not know if the existing 3/4 manifold in crawl space can handle it. radiant is off a 30 gal indirect.
thanks eddie

Comments

  • klaus
    klaus Member Posts: 183
    Heat loss

    What's your heat loss for the area Eddie?
  • klaus
    klaus Member Posts: 183
    You're ok

    You could actually run up to six 1/2" pex loops off of that 3/4" copper if you needed to.
  • Home Depot Employee
    Home Depot Employee Member Posts: 329


    It really depends on the GPM required for the area/loops and proper selection of circulator with all items considered.
This discussion has been closed.

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