Need to get a motor to the air handler down stairs. M# FX4DNF049L00ACAA S# 1916A88478 Will need to get availability on the air handler blower motor and come back to replace the motor and finish the tune up on the downstairs system. Isaac J. 12-14-24 Came out to replace the air handler blower motor and finish maintenance on system. Pulled existing blower motor assembly out of unit. Disassembled it and pulled motor. Installed new motor in place and reinstalled the blower assembly back in unit. Made sure wiring had a drip slope and wires were secured. Cycled system on in heat pump and emergency heat. Checked amps, temperatures, and pressures. Unit is heating properly at this time.