Lennox 41W13 - (100335-41) 55/7.5 MFD Dual Run Capacitor, 370 VAC, Round
The Lennox 41W13 (OEM Part No. 100335-41) is a dual run capacitor specifically engineered to enhance the performance and reliability of HVAC systems. Designed for use in both compressor and condenser fan motor circuits, this capacitor combines two capacitance values—55 MFD (for the compressor) and 7.5 MFD (for the fan motor)—into a single, compact component that simplifies wiring and conserves space in your system’s control panel.
Product Specifications:
- Capacitance: 55/7.5 microfarads (µF)
- Voltage Rating: 370 VAC
- Configuration: Dual run (supports both compressor and fan motor)
- Shape: Round
- Case Material: Rust-resistant aluminum can with insulating top
- Terminals: 3-terminal configuration labeled C (common), FAN, and HERM (compressor)
- Operating Temperature: -40°C to +70°C
- Tolerance: ±6% for stable and predictable performance
Features & Benefits:
- OEM Replacement: Direct-fit replacement for select Lennox air conditioning and heat pump systems—ensuring compatibility and manufacturer-rated performance.
- High Efficiency: Maintains optimum running torque for motors, reducing energy consumption and wear.
- Durable Construction: Hermetically sealed metal can provides excellent heat dissipation and corrosion resistance, even in demanding outdoor environments.
- Quiet Operation: Reduces system vibration and electrical noise for quieter performance.
- Fail-Safe Design: Built-in pressure-sensitive interrupter (PSI) and internal short protection for added safety.
Application & Compatibility:
The 41W13 dual capacitor is commonly installed in split-system air conditioners, heat pumps, and rooftop units. It plays a vital role in motor startup and run cycles—without it, compressors and fan motors may fail to start or operate erratically, resulting in cooling inefficiency or system failure.
This capacitor is ideal for Lennox units that require both a 55 µF compressor start capacitor and a 7.5 µF fan motor run capacitor on a shared common terminal, streamlining HVAC service calls and component replacement.
Installation Notes:
- Always discharge the old capacitor before removal to avoid electric shock.
- Ensure correct terminal identification when wiring (C to common, FAN to fan motor, HERM to compressor).
- Replacement should be performed by qualified technicians in accordance with local electrical codes.
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