Description
Lennox 32W97 Crankcase Heater — 40W, 240V
The Lennox 32W97 is an OEM crankcase heater designed to protect refrigerant compressors from refrigerant migration during off-cycle periods. By maintaining a consistent temperature at the compressor crankcase, this heater prevents liquid refrigerant from mixing with compressor oil — a leading cause of compressor damage and premature failure. It is an essential component for reliable, long-life HVAC system operation, particularly in climates subject to cold ambient temperatures.
Key Features
- OEM Lennox replacement crankcase heater — SKU 32W97
- Rated wattage: 40 watts
- Operating voltage: 240 volts
- Prevents refrigerant migration into compressor oil during off cycles
- Helps extend compressor service life and reduce costly failures
- Direct OEM replacement for compatible Lennox equipment
Why Crankcase Heaters Matter
During extended off cycles, refrigerant can migrate to the compressor sump and mix with the lubricating oil. When the compressor restarts, this refrigerant-oil mixture can cause slugging, oil foaming, and bearing wear. A properly functioning crankcase heater eliminates this risk by keeping the compressor warm and the oil free of liquid refrigerant.
Application
- Compatible with select Lennox residential and light commercial HVAC systems
- Ideal for installations in cold climates or systems with extended off-cycle periods
- Consult your Lennox equipment documentation to confirm compatibility before installation
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