Lennox 93M05 Crankcase Heater 320788-704 though flow rates decrease as

though flow rates decrease as head pressure increases

Features a reliable SPNO contact configuration that closes only under proper vacuum

For technicians performing diagnostics

Common indicators of a failing valve include the furnace not working

Lennox 93M05 Crankcase Heater 320788-704 though flow rates decrease asThe 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