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View Full Version : Can you just change out the coil box from r22 to r410a

poker1
Mar 7, 2010, 03:00 PM
I have a 2007 r22 indoor unit that has never been hooked up can I just change the coil box to 2410a box
hvac1000
Mar 7, 2010, 03:54 PM
No but some coils from 2007 are compatible with the pressures of R-410A refrigerant. You will have to check with the manufacturer of the coil.