Lennox 46W19 - (100463-06) Run Capacitor, 20 MFD, 370V, Round
The Lennox 46W19 (100463-06) is a premium-quality run capacitor designed for continuous-duty motor applications in residential and light commercial HVAC systems. Featuring a capacitance of 20 microfarads (MFD) and a voltage rating of 370 VAC, this capacitor plays a critical role in maintaining efficient motor performance by ensuring steady power to the fan or blower motor.
Product Features:
- Capacitance: 20 MFD (microfarads) – precisely tuned to match OEM motor requirements
- Voltage Rating: 370 volts AC – ideal for standard HVAC applications
- Shape: Round – designed to fit compactly within most capacitor enclosures
- Construction: Durable aluminum housing with steel terminals for corrosion resistance and heat dissipation
- Terminals: Standard quick-connect terminals for easy installation and replacement
- Temperature Rating: Designed to withstand HVAC operating environments with high ambient temperatures
- Safety: Built to meet or exceed UL and EIA standards for electrical safety and reliability
- OEM Part: Genuine Lennox component ensures exact compatibility and performance without guesswork
Applications:The 46W19 capacitor is commonly used in:
- Blower motors
- Condenser fan motors
- Air handlers
- Furnaces
- Packaged units
It provides the necessary phase shift for motor start-up and ensures continued, efficient operation of the motor under load. A faulty capacitor can cause motors to run inefficiently, overheat, or fail to start—making timely replacement essential.
Installation Considerations:
- Always verify voltage and microfarad ratings before installation.
- Disconnect all power before servicing.
- Capacitors may retain a charge—discharge safely using appropriate tools.
- Professional installation is strongly recommended to ensure safe and proper operation.
Benefits of Choosing OEM:
Using the Lennox 46W19 guarantees a perfect fit and optimal electrical performance. As an OEM-certified part, it matches the original design standards of Lennox HVAC systems, reducing the risk of premature failure and ensuring compliance with warranty conditions.
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