Description
Lennox 22W78 Oval Run Capacitor Overview
The Lennox 22W78 is an OEM oval run capacitor engineered to deliver consistent, reliable electrical performance in HVAC motors and compressors. Rated at 5 microfarads (MFD/µF) and 370VAC, this capacitor is designed to maintain the proper phase shift needed to keep single-phase motors running efficiently and smoothly throughout their operating cycle.
Key Specifications
- Capacitance: 5 MFD (µF)
- Voltage Rating: 370VAC
- Shape: Oval
- Type: Run Capacitor
- OEM Part Number: 22W78
- Brand: Lennox
Features & Benefits
- OEM-quality construction ensures a direct, reliable replacement for compatible Lennox equipment
- Oval form factor fits standard HVAC capacitor mounting brackets and housings
- 370VAC rating provides a safe operating margin for typical residential and light commercial applications
- Maintains motor efficiency by supplying the correct capacitance during continuous operation
- Helps reduce motor heat buildup and extends motor service life
Application
Run capacitors are essential components in single-phase HVAC motors, including condenser fan motors, blower motors, and compressors. The Lennox 22W78 is intended as a direct OEM replacement for Lennox systems requiring a 5 MFD / 370VAC oval run capacitor. Always verify the capacitance, voltage rating, and physical dimensions against the original capacitor before installation.
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