Lennox 93M10 Crankcase Heater 318820-201 Featuring a 48-frame design and

Featuring a 48-frame design and permanently lubricated ball bearings

When you are dealing with high-head pressure issues in the field

If moisture is bypassing the drain lines and entering the inducer

Simplified Installation: The flangeless surface mount design and 1/4" terminals streamline the swap-out process for contractors

Protects Infrastructure: Effectively neutralizes acidic furnace runoff to prevent damage to plumbing infrastructure and septic systems

Lennox 93M10 Crankcase Heater 318820-201 Featuring a 48-frame design andThe Lennox 93M10 Crankcase Heater is a critical OEM replacement part engineered for high voltage HVACR applications. Operating at 70 Watts and rated for 575V to 600V systems, this heater is designed to maintain optimal compressor oil temperature during the off cycle. By preventing refrigerant migration and limiting oil viscosity increases in cold ambient conditions, the 93M10 ensures reliable compressor lubrication and protects the internal components