Lennox 32W96 Crankcase Heater

The Lennox 32W96 Crankcase Heater is a critical component for maintaining compressor reliability in high-voltage industrial HVAC systems. Operating at 480V and 40 Watts, this heater maintains sufficient oil temperature within the compressor crankcase to prevent refrigerant migration during the off-cycle. By keeping the lubricant warm, it prevents slugging at startup and ensures that the compressor maintains proper lubrication levels, which is vital for preventing premature mechanical failure in Lennox commercial units and compatible refrigeration systems.

For service technicians, the Lennox 32W96 HVAC replacement part offers a precision fit that simplifies installation during scheduled maintenance or emergency repairs. This flexible belly-band heater design provides optimal heat transfer across the compressor housing, ensuring consistent viscosity of the oil. When diagnosing low-pressure lockout or noisy startups in cold weather, verifying the ohm reading on this 480V crankcase heater is a standard troubleshooting step to ensure the system remains within operational parameters even in low ambient conditions.

• Prevents Refrigerant Migration: Keeps the oil warm to ensure refrigerant does not condense in the crankcase during standby mode.
• Optimized Heat Transfer: The 40W output is calibrated specifically for 480V circuits to provide consistent thermal energy without overheating the sump.
• Durable Construction: Engineered with high-grade insulation to withstand the rigorous temperature fluctuations of commercial HVACR environments.
• Direct OEM Replacement: Ensures full compatibility with specified Lennox air handlers and condensers, bypassing the fitment issues common with universal heaters.

Why is my compressor oil foaming during startup?
Foaming typically indicates that refrigerant has mixed with the oil. A functioning Lennox 32W96 heater prevents this by keeping the oil temperature above the refrigerant's saturation point.

Can I use this 480V heater on a 230V system?
No, this component is rated specifically for 480V power supplies. Using it on lower voltage will result in insufficient wattage output, failing to protect the compressor.

When should the crankcase heater be energized?
In most controls sequences, this heater should remain energized whenever the compressor is off to ensure the system is ready for the next cooling or heating cycle.

Disclaimer: While we strive for 100% accuracy, product data and specifications are subject to change. Please contact our team to confirm compatibility or technical details before purchasing.