Lennox 44A93 Start Capacitor
The Lennox 44A93 is a high-performance, 145-175 Microfarad 330Vac Round Start Capacitor engineered for heavy-duty starting torque in residential and commercial HVAC units. As a technical professional, you recognize the necessity of precise capacitance values when servicing compressors in Lennox air conditioners and heat pumps. This OEM replacement part is specifically designed to work with 50/60Hz systems, providing the necessary phase shift to overcome the initial load during start-up cycles. The internal construction features a durable housing to withstand high temperature fluctuations commonly found in outdoor condensing units. Replacing a weakened motor start capacitor with the 44A93 prevents excessive heat buildup in the windings, facilitating efficient operation and reducing the risk of a seized compressor or contactor failure. This component is essential for maintaining the subcooling and superheat levels intended by the original system design.
Key Benefits
- Optimal Starting Torque: Provides 145-175 MFD to ensure the compressor reaches operating speed quickly, reducing electrical stress on the motor.
- Voltage Stability: Rated for up to 330VAC, making it a robust choice for systems requiring high dielectric strength.
- Universal HVAC Compatibility: Cross-references with multiple Allied and Ducane part numbers, including 44A9301.
- Compact Round Form Factor: Fits standard mounting brackets in the electrical control box for streamlined field installation.
Common Questions
Can I use a 370V capacitor to replace this 330V Lennox 44A93?
Yes, in capacitor applications, you can always go up in voltage, but never down. A 370V or 440V rating can safely replace a 330VAC start capacitor as long as the MFD range matches the 145-175 requirement.
How do I know if my 145-175 MFD capacitor has failed?
Visual symptoms include a bulged top or leaking electrolyte. Technically, if your multimeter shows an "Open" reading or a MFD value significantly lower than 145, the capacitor must be replaced to prevent compressor hard-starting.
Does this capacitor include a bleed resistor?
Standard HVAC start capacitors like the 44A93 are often used with a bleed resistor to dissipate stored energy. Ensure you transfer the existing resistor or install a new one to prevent pitting on the relay contacts.
Disclaimer: While we strive for 100% accuracy, product data and specifications are subject to change. Please contact our team to confirm compatibility or technical details before purchasing.
Original: $72.68
-65%$72.68
$25.44Lennox 44A93 Start Capacitor
The Lennox 44A93 is a high-performance, 145-175 Microfarad 330Vac Round Start Capacitor engineered for heavy-duty starting torque in residential and commercial HVAC units. As a technical professional, you recognize the necessity of precise capacitance values when servicing compressors in Lennox air conditioners and heat pumps. This OEM replacement part is specifically designed to work with 50/60Hz systems, providing the necessary phase shift to overcome the initial load during start-up cycles. The internal construction features a durable housing to withstand high temperature fluctuations commonly found in outdoor condensing units. Replacing a weakened motor start capacitor with the 44A93 prevents excessive heat buildup in the windings, facilitating efficient operation and reducing the risk of a seized compressor or contactor failure. This component is essential for maintaining the subcooling and superheat levels intended by the original system design.
Key Benefits
- Optimal Starting Torque: Provides 145-175 MFD to ensure the compressor reaches operating speed quickly, reducing electrical stress on the motor.
- Voltage Stability: Rated for up to 330VAC, making it a robust choice for systems requiring high dielectric strength.
- Universal HVAC Compatibility: Cross-references with multiple Allied and Ducane part numbers, including 44A9301.
- Compact Round Form Factor: Fits standard mounting brackets in the electrical control box for streamlined field installation.
Common Questions
Can I use a 370V capacitor to replace this 330V Lennox 44A93?
Yes, in capacitor applications, you can always go up in voltage, but never down. A 370V or 440V rating can safely replace a 330VAC start capacitor as long as the MFD range matches the 145-175 requirement.
How do I know if my 145-175 MFD capacitor has failed?
Visual symptoms include a bulged top or leaking electrolyte. Technically, if your multimeter shows an "Open" reading or a MFD value significantly lower than 145, the capacitor must be replaced to prevent compressor hard-starting.
Does this capacitor include a bleed resistor?
Standard HVAC start capacitors like the 44A93 are often used with a bleed resistor to dissipate stored energy. Ensure you transfer the existing resistor or install a new one to prevent pitting on the relay contacts.
Disclaimer: While we strive for 100% accuracy, product data and specifications are subject to change. Please contact our team to confirm compatibility or technical details before purchasing.
Product Information
Product Information
Shipping & Returns
Shipping & Returns
Description
The Lennox 44A93 is a high-performance, 145-175 Microfarad 330Vac Round Start Capacitor engineered for heavy-duty starting torque in residential and commercial HVAC units. As a technical professional, you recognize the necessity of precise capacitance values when servicing compressors in Lennox air conditioners and heat pumps. This OEM replacement part is specifically designed to work with 50/60Hz systems, providing the necessary phase shift to overcome the initial load during start-up cycles. The internal construction features a durable housing to withstand high temperature fluctuations commonly found in outdoor condensing units. Replacing a weakened motor start capacitor with the 44A93 prevents excessive heat buildup in the windings, facilitating efficient operation and reducing the risk of a seized compressor or contactor failure. This component is essential for maintaining the subcooling and superheat levels intended by the original system design.
Key Benefits
- Optimal Starting Torque: Provides 145-175 MFD to ensure the compressor reaches operating speed quickly, reducing electrical stress on the motor.
- Voltage Stability: Rated for up to 330VAC, making it a robust choice for systems requiring high dielectric strength.
- Universal HVAC Compatibility: Cross-references with multiple Allied and Ducane part numbers, including 44A9301.
- Compact Round Form Factor: Fits standard mounting brackets in the electrical control box for streamlined field installation.
Common Questions
Can I use a 370V capacitor to replace this 330V Lennox 44A93?
Yes, in capacitor applications, you can always go up in voltage, but never down. A 370V or 440V rating can safely replace a 330VAC start capacitor as long as the MFD range matches the 145-175 requirement.
How do I know if my 145-175 MFD capacitor has failed?
Visual symptoms include a bulged top or leaking electrolyte. Technically, if your multimeter shows an "Open" reading or a MFD value significantly lower than 145, the capacitor must be replaced to prevent compressor hard-starting.
Does this capacitor include a bleed resistor?
Standard HVAC start capacitors like the 44A93 are often used with a bleed resistor to dissipate stored energy. Ensure you transfer the existing resistor or install a new one to prevent pitting on the relay contacts.
Disclaimer: While we strive for 100% accuracy, product data and specifications are subject to change. Please contact our team to confirm compatibility or technical details before purchasing.
