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

this unit is specifically machined for 1/2" shafts

Enhanced Efficiency: Restores factory-standard airflow management

High-Torque Performance: The 3/4 horsepower rating handles heavy fan blades without sacrificing RPM stability

To maintain peak efficiency

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.