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Features a reliable SPNO contact configuration that closes only under proper vacuum
F between 5
For technicians performing diagnostics
though flow rates decrease as head pressure increases
Three-phase motors like this 1/4HP model do not require a start or run capacitor
Lennox 93M05 Crankcase Heater 320788-704 Features a reliable SPNO contactThe 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