The Lennox 15X40 crankcase heater is designed to prevent refrigerant migration and oil dilution inside the compressor crankcase. By maintaining proper oil temperature, it helps ensure reliable starts, reduces internal wear, and extends overall compressor life. This heater band style design installs directly around the compressor shell and is suitable for a wide range of residential and light commercial HVAC applications.

With a 40 watt output and 240 volt rating, this heater provides consistent and efficient warming performance. The flexible diameter range allows compatibility with multiple compressor sizes, making it a dependable replacement for worn or failed crankcase heaters.

 

Specifications:

Manufacturer Lennox
Part Number 15X40
Catalog Number 100499-22
Product Type Crankcase Heater
Wattage 40 W
Voltage 240 VAC
Application HVAC air conditioner and heat pump compressors
Mounting Style Heater band
Compressor Diameter Range 6.4 to 8.5 inches
OEM Status Genuine OEM Lennox part