Piston/oriface types and sizes
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  1. #1
    Join Date
    Sep 2002
    Posts
    3

    Piston/oriface types and sizes

    Hello
    Does anyone know if a Carrier #55 piston is the same size as a York #55, Trane#55 ect? For example, would one be able to put a piston that came with a york condenser into a Trane Evaporator coil?
    Thanks
    Last edited by Zugzwang; 10-14-2009 at 10:37 PM. Reason: grammer

  2. #2
    Join Date
    Apr 2003
    Location
    nyc
    Posts
    803

    sizes are the same

    The sizes are the same, but different manufacturers make different styles of orifices. They may not seat right if you mix them. Also not a great idea to mismatch coil/condenser combinations if you can avoid it.

  3. #3
    Join Date
    Sep 2002
    Posts
    3
    Quote Originally Posted by freezon View Post
    Also not a great idea to mismatch coil/condenser combinations if you can avoid it.
    Agreed, but I have come across a system that has a york heat pump
    with a trane evap. coil. According to york, the right piston number is in it
    but I have no way of knowing if they used a piston from Trane. My local Trane
    dealer does not have a piston for me to compare so I thought I would ask here.
    I will probably just replace it with a txv and be done with it.
    Thanks for your response.

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