EPA regulations: Freon 22 units are no longer available, Units that are compatible are available They come pre charged with nitrogen It must be dumped. If there is freon in the old system it should be pumped down into the condenser unit before the inside unit is removed, Close the high side king valve and run the unit until the low pressure reads near O Close the low pressure king valve. and turn unit off. 410A freon units are readily available. Most if not all 2 ton air handlers will work with any outside 2 ton unit though some building codes will not allow a mix. Their reason: if something fails who is to blame:
SOURCE: We have a new outside ms24wn and have access to the gas but need an inside blower unit for it.
Might try finding an appliance shop near you who maybe able to find parts or refer you to where you may find them.
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