Best Seller 15 uF 370/440VAC CBB65 Oval Run Capacitor - Replaces TRCF15
15 uF 370/440 VAC oval run start capacitor for AC motors and heat pumps.
Four-step installation guide for 15 uF 370/440 VAC oval run start capacitor for AC motors and heat pumps.
Infographic showing two 15 uF 370/440 VAC oval run capacitors and signs indicating when to replace an AC unit capacitor.
BlueStars 15 uF 370/440 VAC oval run start capacitor for AC motors and heat pumps in a lifestyle promotional graphic.
15 uF 370/440 VAC oval run capacitor with dimension diagram showing height, width, and terminal top view.
Technical specification chart for 15 uF 370/440 VAC CBB65 run capacitor showing electrical ratings and aluminum case.
Top view of 15 uF 370/440 VAC oval run capacitor showing 2-terminal layout with Common, Fan, and Herm labels.
Infographic showing 15 uF 370/440 VAC oval run capacitor features including aluminum case and metalized film construction.
Educational infographic showing how to choose a 15 uF 370/440 VAC CBB65 run capacitor for AC motors.
15 uF 370/440 VAC oval run capacitor for AC condenser and heat pump repair.
Technician installing a 15 uF 370/440 VAC oval run start capacitor in an AC condenser unit.
Infographic showing 15uF run capacitor applications for AC, refrigerator, heat pump, and compressor motors.
15 uF 370/440 VAC oval run start capacitor for AC motors and heat pumps.
Four-step installation guide for 15 uF 370/440 VAC oval run start capacitor for AC motors and heat pumps.
Infographic showing two 15 uF 370/440 VAC oval run capacitors and signs indicating when to replace an AC unit capacitor.
BlueStars 15 uF 370/440 VAC oval run start capacitor for AC motors and heat pumps in a lifestyle promotional graphic.
15 uF 370/440 VAC oval run capacitor with dimension diagram showing height, width, and terminal top view.
Technical specification chart for 15 uF 370/440 VAC CBB65 run capacitor showing electrical ratings and aluminum case.
Top view of 15 uF 370/440 VAC oval run capacitor showing 2-terminal layout with Common, Fan, and Herm labels.
Infographic showing 15 uF 370/440 VAC oval run capacitor features including aluminum case and metalized film construction.
Educational infographic showing how to choose a 15 uF 370/440 VAC CBB65 run capacitor for AC motors.
15 uF 370/440 VAC oval run capacitor for AC condenser and heat pump repair.
Technician installing a 15 uF 370/440 VAC oval run start capacitor in an AC condenser unit.
Infographic showing 15uF run capacitor applications for AC, refrigerator, heat pump, and compressor motors.

15 uF 370/440VAC CBB65 Oval Run Capacitor - Replaces TRCF15

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$9.89
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$9.89
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15 uF/MFD ± 5% 370 or 440 Volt 50/60 Hz Oval Run Start Capacitor CBB65

Key Features

  • Capacitance: 15 µF / MFD
  • Tolerance: ± 5%
  • Voltage Rating: 370 VAC or 440 VAC
  • Frequency: 50 / 60 Hz
  • Shape: Oval
  • Dimensions: 1.97 in x 1.24 in x 2.56 in
  • Terminals: 1/4 inch male quick-connect
  • Construction: Metalized polypropylene film, oil-filled metal case
  • Safety Standard: UL 810; No Polychlorinated Biphenyls (PCBs)
  • Operating Temperature: -40°C to +70°C

Replaces / Cross-Reference Part Numbers

  • Replaces any oval capacitor with matching 15 MFD and 370V or 440V specifications.
  • CBB65-370V156A
  • USA2034

Compatibility & Fitment

  • For use in starting and running single-phase AC motors.
  • Commonly used in HVAC systems, including central air conditioners and heat pumps.
  • Fits applications for condenser fan motors, compressor motors, and blowers.
  • Dual voltage rating allows replacement of both 370 VAC and 440 VAC capacitors.

When to Replace

  • Motor hums but does not start or has difficulty starting.
  • Fan blades turn slowly or require a manual push to begin rotating.
  • AC unit is running but not cooling effectively.
  • Visible signs of damage such as swelling, bulging, or fluid leakage from the capacitor case.
  • Capacitance measures outside the ± 5% tolerance range when tested with a multimeter.

Installation Tips

  • Disconnect all electrical power to the equipment before beginning work.
  • Safely discharge the existing capacitor by shorting the terminals with an insulated tool.
  • The microfarad (µF/MFD) rating must match the original capacitor.
  • The voltage rating of this capacitor must be equal to or greater than the one being replaced. A 440V capacitor can safely replace a 370V capacitor.
  • Note the wiring configuration before disconnecting the old part.
15 uF 370/440VAC CBB65 Oval Run Capacitor - Replaces TRCF15 1
15 uF 370/440VAC CBB65 Oval Run Capacitor - Replaces TRCF15 2
15 uF 370/440VAC CBB65 Oval Run Capacitor - Replaces TRCF15 3
15 uF 370/440VAC CBB65 Oval Run Capacitor - Replaces TRCF15 4
  • 15 uF 370/440VAC CBB65 Oval Run Capacitor - Replaces TRCF15 1

    Step 1

    Turn off the power and locate the capacitor
  • 15 uF 370/440VAC CBB65 Oval Run Capacitor - Replaces TRCF15 2

    Step 2

    Discharge any stored electricity by shorting the terminals
  • 15 uF 370/440VAC CBB65 Oval Run Capacitor - Replaces TRCF15 3

    Step 3

    Take a photo or note how the wires connect. Disconnect wires & install the new capacitor.
  • 15 uF 370/440VAC CBB65 Oval Run Capacitor - Replaces TRCF15 4

    Step 4

    Reassemble and test

Compatible Models

Locate the model number of your appliance or equipment on the manufacturer's label and use it to check compatibility before ordering

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FAQs

This capacitor is designed for HVAC systems, including air conditioners, heat pumps, and condenser units. It is suitable for any motor-driven equipment that requires a 15 MFD run capacitor with a 370 or 440 VAC rating.
This unit is a direct replacement for TRCF15 and is compatible with various CBB65 series capacitors, including models such as 301132728 and CBB65-370V156A.
If your AC unit or fan motor is struggling to start, humming without turning, or if the fan blades only spin after being manually pushed, the capacitor is likely failing. A bulging or leaking top on the capacitor is a definitive physical sign that it has reached the end of its service life and requires immediate replacement.
Yes. This capacitor is rated for both 370V and 440V. It is perfectly safe to use a 440V-rated capacitor in a system originally designed for 370V, as the higher voltage rating provides a greater safety margin and durability.
Installation typically takes 15–30 minutes. You will need a screwdriver to remove the service panel and a pair of insulated needle-nose pliers to disconnect the spade terminals. Always ensure the power to the unit is completely disconnected at the breaker before beginning. Before removing the old capacitor, use an insulated screwdriver to short the terminals to ground to discharge any stored electrical energy.