[lrccrljoplin]

I want to know if a new central air coil can be used with th e older r22 outside condenser. I know the old condenser can't be used with the r410 gas. But I have read indications that a new indoor coil only can operate with r22 gas, I only need to replace the coil at this time. Larry

[thermalmedics]

Yea it can.in fact many coil are good for r22 and 410a. More importantly is the metering device that is matched to the refrigerant and capacity to - meter - the refrigerant into the coil depending upon the load upon the coil.

[hvac1000]

The metering device is of utmost importance as mentioned by the other poster but I would like to add that a Thermal Expansion Valve is a much better metering device than a piston style device. The reason is quite simple since a Thermal Expansion Valve is much more accurate and with a coil size mismatch it will make your system run much better and cooling will probably be better than with the old coil as long as it is professionally installed.

A R-22 coil is much smaller than a R-410A coil of the same BTU/TONNAGE size. With a Expansion Valve it will allow full usage of the new coil. Good luck with your project.