Copeland 918-0043-07 Crankcase Heater 321894-708 The 220781 motor and housing

The 220781 motor and housing assembly features a high-grade blower wheel and precise balanced housing to eliminate vibration and premature bearing wear

the system is designed to work with most standard 24V HVAC controls and includes override capabilities to ensure ventilation occurs independently of heating or cooling calls if required

preventing the need for invasive repiping

Precision Engineering: Rated for 24V control circuits and high-voltage applications up to 230V

preventing coil icing and short-cycling of the compressor

Copeland 918-0043-07 Crankcase Heater 321894-708 The 220781 motor and housingMaintain peak compressor reliability with the Copeland 918 0043 07 Crankcase Heater, a critical component for preventing refrigerant migration during off cycles. This 120V 70W belt type heater is engineered for a precision fit on Copeland Scroll compressors, including ZR, ZP, and ZB series models. By maintaining a constant temperature in the oil sump, this wrap around heater effectively eliminates liquid slugging at startupone of the most frequent