Description
The Daikin-McQuay 074513301 is an OEM crankcase heater engineered to protect compressor integrity in Daikin-McQuay HVAC systems. By maintaining compressor oil temperature during off-cycles, this heater prevents refrigerant migration into the crankcase — a leading cause of compressor damage and premature failure.
How It Works
Crankcase heaters apply continuous, low-level heat to the compressor housing when the unit is not running. This keeps the lubricating oil warm and prevents liquid refrigerant from absorbing into it. At startup, oil that is free of refrigerant provides proper lubrication immediately, reducing wear and extending compressor life.
Product Specifications
- Part Number: 074513301
- Brand: Daikin-McQuay
- Voltage: 120V
- Wattage: 70 Watts
- Application: Compressor crankcase protection
Key Benefits
- Prevents refrigerant migration into compressor oil during off-cycles
- Reduces risk of compressor slugging and oil dilution at startup
- Extends compressor service life and reduces costly repairs
- OEM Daikin-McQuay replacement part for reliable, exact-fit installation
- 120V operation compatible with standard commercial HVAC electrical supply
Application
Designed as a direct OEM replacement for Daikin-McQuay commercial HVAC equipment. Always verify compatibility with your specific unit model before installation. Consult your equipment documentation or contact a qualified HVAC technician for proper installation guidance.
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