Always match the OEM specification of -0

The heavy-duty copper construction resists oxidation

the York S1-024-21218-700 is an industry-standard heat pump reversing relay often utilized in Coleman and Luxaire air handlers to manage heat/cool mode switching

The 180-degree "pigtail" design is optimized for vertical orientation to ensure the condensate remains trapped in the bottom of the loop

This HVAC pressure switch effectively prevents hazardous gas accumulation by verifying inducer RPM and airflow before allowing the ignition sequence to proceed

Ranco C12-2001 Control Els PW 17895 Always match the OEM specificationAs a veteran HVACR professional, you know that managing supplemental heat on a heat pump or PTAC unit requires a reliable, heavy duty outdoor thermostat. The Ranco C12 2001 is a Single Pole Double Throw (SPDT) control engineered specifically for resistance heat lockout and electric heat hold back. Featuring a broad temperature range of 1F to 59F and a fixed 5F differential, this control ensures that your auxiliary heat stages only energize when