Lennox 93M16 Crankcase Heater

Ensure reliable compressor operation in cold weather with the Lennox 93M16 Crankcase Heater. This 480V 70W belt type heater is engineered for industrial and commercial HVACR applications where maintaining refrigerant temperature is critical to preventing migration and oil dilution. Featuring 50 inch leads, this high-voltage heater provides ample length for secure electrical connections to the control circuit, facilitating a clean and professional installation on various compressor housings. The belt type crankcase heater design allows for a flexible yet snug fit around the compressor base, delivering consistent thermal transfer to the lubricant. By keeping the oil warm during the off-cycle, the Lennox 93M16 reduces the risk of liquid slugging at startup, effectively protecting internal components from premature wear and mechanical failure.

• Optimized Cold Weather Performance: Prevents refrigerant from condensing in the compressor oil during low ambient temperatures.
• Durable 480V/70W Rating: Specifically designed for 480-volt industrial circuits, providing consistent 70-watt heat output for effective temperature maintenance.
• Universal Belt Configuration: The flexible belt design adjusts to fit a range of compressor diameters, ensuring high compatibility across Lennox HVAC systems.
• Extended 50" Lead Wires: Includes extra-long leads to simplify routing through conduit and into electrical cabinets without the need for additional splicing.
• Enhanced System Reliability: Minimizes compressor stress by ensuring lubrication stays at the correct viscosity for immediate flow during startup.

What is the primary function of the Lennox 93M16?
This crankcase heater keeps the compressor oil warmer than the rest of the system to prevent refrigerant from mixing with the oil, which is essential for preventing compressor damage during cold starts.

Can this heater be used on non-Lennox compressors?
While designed as a genuine Lennox OEM replacement part, its belt type design and 480V rating make it compatible with various industrial compressors that match these electrical and physical specifications.

How do I verify if 480 volts is correct for my application?
Always check the unit’s nameplate or wiring diagram. This heater is strictly for 480V high-voltage systems and will not function correctly on 208/230V or 575V equipment.

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.