Carrier P291-1544 Run Capacitor
The Carrier P291-1544 is a professional-grade 15/4 MFD 440V dual oval run capacitor engineered for high-demand HVAC motor and compressor applications. As a veteran-preferred OEM replacement part, this component provides the critical microfarad stability required to maintain correct phase shift in single-phase motors, ensuring efficient operation of both the condenser fan motor (4 MFD) and the primary compressor (15 MFD). Rated for 440 volts, it offers superior dielectric strength compared to 370V alternatives, effectively handling voltage spikes and thermal stress common in Carrier, Bryant, and Payne equipment.
Its compact dual oval form factor allows for a precise fit in tight electrical control boxes, preventing mechanical interference with contactors or wiring harnesses. By maintaining consistent capacitance, this unit reduces amperage draw, optimizes power factor, and prevents the winding overheating issues that lead to motor failure. Field technicians rely on the P291-1544 to eliminate startup humming, stop intermittent short cycling, and restore full cooling capacity to residential and light commercial systems.
Key Benefits- Dual-Rated Output: Supplies 15 microfarads for the compressor and 4 microfarads for the fan motor in a single housing.
- 440V Specification: Heavy-duty rating provides a wider safety margin against voltage fluctuations, outperforming standard 370V capacitors.
- OEM Compatibility: Drop-in dual run capacitor replacement for various Carrier-made air conditioners and heat pumps.
- Precision Tolerance: Manufactured to strict electrical tolerances to ensure motor RPM stays within manufacturer specifications.
- Space-Saving Profile: Oval design facilitates easier mounting and secure strapping in cluttered service panels.
What are the signs of a failed P291-1544 capacitor?
Technicians typically look for a "bulged" or leaking top, a compressor that hums but fails to turn over, or a condenser fan that requires a manual push to start. Using a multimeter to check the MFD rating between the HERM, FAN, and C terminals is the standard diagnostic procedure.
Can I use a round capacitor instead of this oval version?
While the electrical specifications (15/4 MFD, 440V) must match exactly, a round capacitor can be used if space and mounting brackets permit. However, the oval design of the Carrier P291-1544 is often required to fit the original factory mounting strap.
Is it safe to replace a 370V capacitor with this 440V unit?
Yes. You can always increase the voltage rating of a run capacitor as it represents the maximum breakdown voltage. Replacing an older 370V unit with this 440V rated part often improves long-term reliability by providing better resistance to thermal breakdown.
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: $12.00
-65%$12.00
$4.20Carrier P291-1544 Run Capacitor
The Carrier P291-1544 is a professional-grade 15/4 MFD 440V dual oval run capacitor engineered for high-demand HVAC motor and compressor applications. As a veteran-preferred OEM replacement part, this component provides the critical microfarad stability required to maintain correct phase shift in single-phase motors, ensuring efficient operation of both the condenser fan motor (4 MFD) and the primary compressor (15 MFD). Rated for 440 volts, it offers superior dielectric strength compared to 370V alternatives, effectively handling voltage spikes and thermal stress common in Carrier, Bryant, and Payne equipment.
Its compact dual oval form factor allows for a precise fit in tight electrical control boxes, preventing mechanical interference with contactors or wiring harnesses. By maintaining consistent capacitance, this unit reduces amperage draw, optimizes power factor, and prevents the winding overheating issues that lead to motor failure. Field technicians rely on the P291-1544 to eliminate startup humming, stop intermittent short cycling, and restore full cooling capacity to residential and light commercial systems.
Key Benefits- Dual-Rated Output: Supplies 15 microfarads for the compressor and 4 microfarads for the fan motor in a single housing.
- 440V Specification: Heavy-duty rating provides a wider safety margin against voltage fluctuations, outperforming standard 370V capacitors.
- OEM Compatibility: Drop-in dual run capacitor replacement for various Carrier-made air conditioners and heat pumps.
- Precision Tolerance: Manufactured to strict electrical tolerances to ensure motor RPM stays within manufacturer specifications.
- Space-Saving Profile: Oval design facilitates easier mounting and secure strapping in cluttered service panels.
What are the signs of a failed P291-1544 capacitor?
Technicians typically look for a "bulged" or leaking top, a compressor that hums but fails to turn over, or a condenser fan that requires a manual push to start. Using a multimeter to check the MFD rating between the HERM, FAN, and C terminals is the standard diagnostic procedure.
Can I use a round capacitor instead of this oval version?
While the electrical specifications (15/4 MFD, 440V) must match exactly, a round capacitor can be used if space and mounting brackets permit. However, the oval design of the Carrier P291-1544 is often required to fit the original factory mounting strap.
Is it safe to replace a 370V capacitor with this 440V unit?
Yes. You can always increase the voltage rating of a run capacitor as it represents the maximum breakdown voltage. Replacing an older 370V unit with this 440V rated part often improves long-term reliability by providing better resistance to thermal breakdown.
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.
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Description
The Carrier P291-1544 is a professional-grade 15/4 MFD 440V dual oval run capacitor engineered for high-demand HVAC motor and compressor applications. As a veteran-preferred OEM replacement part, this component provides the critical microfarad stability required to maintain correct phase shift in single-phase motors, ensuring efficient operation of both the condenser fan motor (4 MFD) and the primary compressor (15 MFD). Rated for 440 volts, it offers superior dielectric strength compared to 370V alternatives, effectively handling voltage spikes and thermal stress common in Carrier, Bryant, and Payne equipment.
Its compact dual oval form factor allows for a precise fit in tight electrical control boxes, preventing mechanical interference with contactors or wiring harnesses. By maintaining consistent capacitance, this unit reduces amperage draw, optimizes power factor, and prevents the winding overheating issues that lead to motor failure. Field technicians rely on the P291-1544 to eliminate startup humming, stop intermittent short cycling, and restore full cooling capacity to residential and light commercial systems.
Key Benefits- Dual-Rated Output: Supplies 15 microfarads for the compressor and 4 microfarads for the fan motor in a single housing.
- 440V Specification: Heavy-duty rating provides a wider safety margin against voltage fluctuations, outperforming standard 370V capacitors.
- OEM Compatibility: Drop-in dual run capacitor replacement for various Carrier-made air conditioners and heat pumps.
- Precision Tolerance: Manufactured to strict electrical tolerances to ensure motor RPM stays within manufacturer specifications.
- Space-Saving Profile: Oval design facilitates easier mounting and secure strapping in cluttered service panels.
What are the signs of a failed P291-1544 capacitor?
Technicians typically look for a "bulged" or leaking top, a compressor that hums but fails to turn over, or a condenser fan that requires a manual push to start. Using a multimeter to check the MFD rating between the HERM, FAN, and C terminals is the standard diagnostic procedure.
Can I use a round capacitor instead of this oval version?
While the electrical specifications (15/4 MFD, 440V) must match exactly, a round capacitor can be used if space and mounting brackets permit. However, the oval design of the Carrier P291-1544 is often required to fit the original factory mounting strap.
Is it safe to replace a 370V capacitor with this 440V unit?
Yes. You can always increase the voltage rating of a run capacitor as it represents the maximum breakdown voltage. Replacing an older 370V unit with this 440V rated part often improves long-term reliability by providing better resistance to thermal breakdown.
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.
