Copeland 030-0187-01 Heater Sleeve 320819-301 this limit control is an

this limit control is an essential direct-fit replacement to ensure the safe and efficient cycling of the heat exchanger

or mounting patterns unique to the blower housing

providing superior air volume at various static pressures

Enhanced Efficiency: Restores factory-standard airflow management

Copeland 030-0187-01 Heater Sleeve 320819-301 this limit control is anAs a seasoned tech, you know that cold core starts are the fastest way to kill a compressor. The Copeland 030 0187 01 Heater Sleeve is a critical OEM replacement part designed to house the crankcase heater for 2D, 3D, and 9R series semi hermetic compressors. This 3 8" NPT heater sleeve ensures maximum thermal contact between the heating element and the oil sump, facilitating efficient heat transfer to prevent refrigerant migration during off cycles.