Lennox Y9646 – AmRad USA2240 Dual Run Capacitor, 55/5 MFD, 440 VAC, Round OEM HVAC Replacement Part

The Lennox Y9646 dual run capacitor, manufactured by AmRad under model USA2240, is a premium OEM replacement component designed to power both the compressor and condenser fan motor in residential and light commercial HVAC systems. Built for durability and electrical stability, this 55/5 MFD 440 VAC round dual capacitor ensures reliable motor start-up and smooth system operation in demanding conditions.

Engineered to meet or exceed Lennox original equipment specifications, the Y9646 capacitor delivers consistent capacitance output, improved efficiency, and extended service life. Its 440 VAC rating provides a higher voltage tolerance compared to 370V capacitors, offering added protection against voltage fluctuations and improving long-term reliability.

This capacitor is commonly used in Lennox air conditioners and heat pumps where a 55/5 microfarad dual run configuration is required. The dual design supports both the compressor (55 MFD) and fan motor (5 MFD) in a single compact round housing, simplifying installation and replacement.

Key Features and Specifications

Brand AmRad
OEM Manufacturer AmRad
Model USA2240
Lennox Part Number Y9646
Capacitance 55/5 MFD
Voltage Rating 440 VAC
Configuration Dual Run Capacitor
Shape Round
Terminals Herm Compressor Fan
Application Air Conditioner and Heat Pump Systems

Why Choose the Lennox Y9646 AmRad Capacitor

The AmRad USA series is known in the HVAC industry for high-quality construction, USA manufacturing, and long service life. This capacitor features heavy-duty metallized polypropylene film, robust internal connections, and a corrosion-resistant steel case. The higher 440 VAC rating increases resistance to voltage spikes and helps reduce premature failure.

A failing dual run capacitor can cause hard starts, compressor humming, fan motor failure, system overheating, or complete system shutdown. Replacing a weak or failed capacitor with a genuine Lennox Y9646 ensures your HVAC system restores proper performance, efficiency, and reliability.

Applications

Residential central air conditioners
Heat pump condenser units
Light commercial split systems
Systems requiring 55/5 MFD 440V round dual capacitor

Compatibility

Designed as an OEM Lennox replacement part for systems specifying part number Y9646. Always verify microfarad rating and voltage requirements before installation.

Shipping Information

Approximate Dimensions
Diameter Approximately 2 inches
Height Approximately 4.5 to 5 inches
Gross Weight Approximately 1 lb

Professional installation recommended. Always discharge capacitors properly before handling and confirm electrical specifications match system requirements.

Buy Lennox Y9646 Dual Run Capacitor Online

Restore reliable compressor and fan motor performance with the Lennox Y9646 AmRad USA2240 55/5 MFD 440 VAC dual run capacitor. Ideal for HVAC contractors, service technicians, and property maintenance professionals who demand dependable OEM-quality components.

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