Carrier evaporator swap R22 to R410A


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Old 06-30-20, 08:23 AM
J
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Carrier evaporator swap R22 to R410A

Have an approx 2002 Carrier Evaporator 5BXA042021AAAA in really good condition (well air handler is but can't see the coil yet!) and it's on R22. Condensor is about shot and need to change out so will go with R410A of course. BUT. Evaporator says on it (model above) for use with R22 or R410A in "Listed" units. So question is how do I determine if it's an easy swap, or maybe change expansion valve too? Anyone seen this before?
Actually believe the right approach would be new evap coil...anyone know of a direct swap model number for same size A coil to replace this one CK5BXA042021AAAA. So minimal modifications to box.
 
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Old 06-30-20, 10:32 AM
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Welcome to the forums.

It would be doubtful an 18 year evaporator coil would be in great shape and worthy of reuse.
It's usually better to replace the condenser and air handler new as a set.
 
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  #3  
Old 06-30-20, 11:04 PM
J
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Actually after looking at the overall value of time and age, think you really have a good point....and well taken. Sometimes you get caught up in the theme of the equipment....it said will do both so why not change everything over....well, too much can go wrong. Besides cost of a new A coil is under $500 so why not invest some hardware along with all the labor required. Thanks for getting me on the right track!
 
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