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Operating as a normally closed (NC) 24V thermal actuator
eliminating the risk of bypass or improper venting associated with universal kits
maintaining peak energy efficiency and operational safety
As a high-accuracy thermistor
This heater is rated for 230V AC applications and is not compatible with 120V circuits
Lennox 93M05 Crankcase Heater 320734-701 Operating as a normally closedThe Lennox 93M05 Crankcase Heater is a critical OEM component designed to prevent refrigerant migration and oil foaming in HVACR compressors during the off cycle. This belt type compressor heater provides a constant 40 watts of thermal energy at 240 volts, maintaining the lubricant at a temperature higher than the coldest part of the system. Engineered for adaptability, the 93M05 fits compressor housings with a 7" to 8" diameter (adjustable range