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  1. Replies
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    I am sorry did not specified that retrofit is for...

    I am sorry did not specified that retrofit is for a 15 and 20 ton system seer does not matter and the condensing unit will be replaced and the pressure does mot go over 160# in the evaporator.
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    How come the surface area is different If the...

    How come the surface area is different
    If the evaporator size has not changed in at least 6 years. And I understand the work that it has to be done for the retrofit including line flush and txv...
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    1,072

    R410A Retrofit from R-22

    What is your opinion on retrofitting a York R-22 split system with a R-410 condenser? The evaporator min test pressure is 150 PSI. The evaporator model is K3eu180.
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