Always verify the part number against your specific unit's wiring diagram or data plate before installation

Verify that your furnace control board is sending the correct 24V signals to the "HI" and "LO" terminals

1186636 is the updated version for 1174889 and is the recommended service part for these systems

as well as the OPD210D overpressure protection device

making it the reliable choice for repairing advanced variable-speed air handlers and gas furnaces

Carrier P032-3121 Compressor Els PW 17895 Always verify the part numberThe Carrier P032 3121 is a high performance reciprocating compressor designed for residential and light commercial HVAC applications. Operating on 208 230V 1 Phase power, this unit delivers a nominal capacity of 31,900 BTU and is optimized for R 22 refrigerant systems. This model serves as a direct drop in replacement for the Bristol H22J33BABCA, ensuring seamless mechanical and electrical integration without field modifications. Engineered for