Trane HTR2047 Crankcase Heater 322056-301 High-Temperature Rating: Class B insulation

High-Temperature Rating: Class B insulation allows for reliable operation in high-ambient outdoor environments

Also known as a "High Burst" or High-Break component

this auto reset furnace limit switch prevents short-cycling and erratic blower operation caused by restricted airflow or failing thermal sensors

Whether you are servicing a gas

Multi-Refrigerant Compatibility: Designed as an "All Range" control compatible with R-12

Trane HTR2047 Crankcase Heater 322056-301 High-Temperature Rating: Class B insulationThe Trane HTR2047 Crankcase Heater is a critical 120V, 150W component designed for industrial and commercial compressor protection. This heater maintains high oil temperatures to prevent harmful refrigerant migration and condensation within the crankcase during system off cycles. By ensuring the oil remains at an optimal viscosity, it prevents liquid slugging and ensures immediate lubrication of bearings and rotors during startup, which is essential