80+5 uF MFD ±5% 370/440 VAC Dual Run Round Capacitor TP-CAP-80/5/440R - Fits Condenser Straight Cool, Heat Pump
80+5 uF 370/440 VAC dual run round capacitor for HVAC condenser and heat pump systems.
Four-step installation guide for 80+5 uF dual run round capacitor for AC condenser and heat pump units.
Infographic showing two 80+5 uF 370/440 VAC dual run round capacitors and signs indicating when to replace an AC capacitor.
80+5 uF dual run round capacitor for AC condenser and heat pump units in lifestyle marketing graphic.
80+5 uF dual run round capacitor with 5.12-inch height and 2.36-inch diameter dimensions.
Specification chart for 80+5 uF 370/440 VAC dual run round capacitor with technical details and product image.
Top view of 80+5 uF dual run capacitor showing C, HERM, and FAN terminal labels for HVAC condenser and heat pump units.
80+5 uF dual run round capacitor with aluminum case and metalized polypropylene film construction.
Educational infographic showing how to choose an 80+5 uF 370/440 VAC dual run round capacitor for HVAC systems.
80+5 uF 370/440 VAC dual run round capacitor for condenser and heat pump units.
Technician installing a BlueStars 80+5 uF 370/440 VAC dual run round capacitor in an AC condenser unit.
Infographic showing wide range applications for 80+5 uF dual run capacitor in HVAC and refrigeration systems.
80+5 uF 370/440 VAC dual run round capacitor for HVAC condenser and heat pump systems.
Four-step installation guide for 80+5 uF dual run round capacitor for AC condenser and heat pump units.
Infographic showing two 80+5 uF 370/440 VAC dual run round capacitors and signs indicating when to replace an AC capacitor.
80+5 uF dual run round capacitor for AC condenser and heat pump units in lifestyle marketing graphic.
80+5 uF dual run round capacitor with 5.12-inch height and 2.36-inch diameter dimensions.
Specification chart for 80+5 uF 370/440 VAC dual run round capacitor with technical details and product image.
Top view of 80+5 uF dual run capacitor showing C, HERM, and FAN terminal labels for HVAC condenser and heat pump units.
80+5 uF dual run round capacitor with aluminum case and metalized polypropylene film construction.
Educational infographic showing how to choose an 80+5 uF 370/440 VAC dual run round capacitor for HVAC systems.
80+5 uF 370/440 VAC dual run round capacitor for condenser and heat pump units.
Technician installing a BlueStars 80+5 uF 370/440 VAC dual run round capacitor in an AC condenser unit.
Infographic showing wide range applications for 80+5 uF dual run capacitor in HVAC and refrigeration systems.
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80+5 uF MFD ±5% 370/440 VAC Dual Run Round Capacitor TP-CAP-80/5/440R - Fits Condenser Straight Cool, Heat Pump

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80+5 uF ± 5% MFD 370 440V Dual Run Round Capacitor

Key Features

  • Dual Capacitance Rating: 80 Microfarad (MFD) and 5 Microfarad (MFD)
  • Capacitance Tolerance: ¬± 5%
  • Voltage Rating: 370 VAC or 440 VAC
  • Frequency: 50 / 60 Hz
  • Shape: Round
  • Terminals: 3 (Common, Fan, Hermetically Sealed Compressor)
  • Operating Temperature Range: -40 ¬∞F to 158 ¬∞F (-40 ¬∞C to 70 ¬∞C)
  • Construction: Metal case with pressure-activated safety mechanism

Replaces / Cross-Reference Part Numbers

  • TP-CAP-80/5/440R
  • 27L651
  • Replaces any round 80/5 MFD dual run capacitor with a voltage rating of 370V or 440V.

Compatibility & Fitment

  • Designed for HVAC systems including air conditioners and heat pumps.
  • Simultaneously powers a compressor motor (80 MFD) and a fan motor (5 MFD).
  • A 440V rated capacitor can directly replace a 370V rated capacitor.
  • Physical Dimensions: Verify diameter and height match the original component for proper mounting. This capacitor has a standard diameter of 2.5 inches (60mm).

When to Replace

  • The compressor or fan motor hums but fails to start.
  • The fan motor runs slow or does not spin.
  • The air conditioner unit trips the circuit breaker on startup.
  • Visual inspection shows a bulging, swollen, or leaking capacitor.
  • Capacitance measurement is outside the rated tolerance (e.g., less than 76 MFD or more than 84 MFD for the 80 MFD side).

Installation Tips

  • Disconnect all electrical power to the HVAC unit before servicing.
  • Safely discharge the existing capacitor by shorting the terminals with a resistor or an insulated screwdriver.
  • Document or photograph the wire connections to the C, FAN, and HERM terminals before removal.
  • Install the new capacitor, ensuring wires are connected to the correct terminals.
  • Secure the capacitor in the mounting bracket.
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  • Step 1

    Step 1

    Turn off the power and locate the capacitor
  • Step 2

    Step 2

    Discharge any stored electricity by shorting the terminals
  • Step 3

    Step 3

    Take a photo or note how the wires connect. Disconnect wires & install the new capacitor.
  • Step 4

    Step 4

    Reassemble and test

FAQ

Common signs of a failing capacitor include the outdoor condenser fan failing to start on its own, a humming sound coming from the unit without the fan spinning, or the air conditioner blowing warm air. If the top of the capacitor appears domed or bulging, or if there is any visible leaking oil, the part has failed and must be replaced.
Yes. This capacitor is dual-rated for both 370V and 440V. It is perfectly safe to use a 440V-rated capacitor as a replacement for a 370V unit of the same microfarad (MFD) rating, as the higher voltage rating provides a greater safety margin and often results in a longer service life.
This dual-run capacitor is designed to be compatible with most residential and light commercial air conditioning units and heat pumps, including systems manufactured by Carrier, Trane, Goodman, Rheem, York, Lennox, and American Standard, provided the equipment requires an 80/5 MFD specification.
Installation typically takes 15 to 30 minutes. You will need a screwdriver to remove the electrical access panel and a pair of insulated needle-nose pliers to disconnect and reconnect the spade terminals. Always ensure the power to the unit is completely shut off at the disconnect box or breaker before beginning.
Before removing the old capacitor, take a clear photo of the wiring connections to ensure you place the wires back on the correct terminals (Herm, Fan, and Common). Most importantly, you must discharge the old capacitor by touching a screwdriver with an insulated handle across the terminals before handling it, as it can store a significant electrical charge even after the power is disconnected.
Capacitors are heat-sensitive components. Over time, the internal dielectric material degrades due to the high ambient temperatures inside the condenser unit and the constant electrical stress of starting the compressor and fan motor. Regular maintenance, such as keeping the condenser coils clean to ensure proper airflow, helps reduce operating temperatures and extends the life of the capacitor.