Description
Lennox 93M13 Belt-Type Crankcase Heater Overview
The Lennox 93M13 is a belt-type crankcase heater engineered to protect refrigeration and air conditioning compressors from refrigerant migration during off-cycle periods. By maintaining the compressor crankcase at an elevated temperature, this heater prevents liquid refrigerant from accumulating in the oil, reducing the risk of compressor damage on startup and extending equipment service life.
Key Specifications
- SKU: 93M13
- Brand: Lennox
- Heater Type: Belt-Type (Wrap-Around)
- Voltage: 210 Volts
- Wattage: 70 Watts
- Compatible Compressor Diameter: 7″ – 8-1/2″
- Lead Length: 14 Inches
Features & Benefits
- Belt-style design wraps securely around the compressor crankcase for consistent, even heat distribution
- Wide diameter compatibility (7″ to 8-1/2″) makes this heater suitable for a broad range of compressor sizes
- 70-watt output delivers reliable heating to prevent refrigerant migration and oil dilution
- 14″ lead wires provide installation flexibility in tight equipment compartments
- Helps protect compressor bearings and internal components from slugging on startup
- Genuine Lennox OEM replacement part ensures proper fit and performance
Application
The Lennox 93M13 crankcase heater is ideal for use in residential and light commercial HVAC systems where compressor protection during the off-season or cold ambient conditions is required. It is particularly important in heat pump and air conditioning applications where the compressor may be exposed to low ambient temperatures that promote refrigerant migration into the crankcase oil.
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