Heil Quaker ICP 1172473 Heater Els PW 17895 a single Honeywell 221508A2 board

a single Honeywell 221508A2 board allows for the operation of up to four M91XX motors in unison

Circuit Protection: Integrated safety protocols prevent burner operation in the event of a restricted airflow or ignition failure

Field Serviceability: Features standard 1/4" male quick-connect terminals for rapid wiring and diagnostics

Ensures precise airflow regulation to maintain critical system static pressure

Heil Quaker ICP 1172473 Heater Els PW 17895 a single Honeywell 221508A2 boardThe Heil Quaker ICP 1172473 Heater is an essential OEM 480V crankcase heater designed for high performance HVACR refrigeration systems and rooftop units. Operating at 70W, this crankcase heater 480V is specifically engineered to prevent refrigerant migration and oil dilution during the compressor's off cycle. By maintaining the oil at a temperature above the refrigerant saturation point, the ICP 1172473 ensures proper lubrication upon startup and