Jard 12788 - 45/5 MFD Round Run Capacitor (440/370V)
The Jard 12788 is a premium-quality dual run capacitor engineered to deliver dependable performance for residential and commercial HVAC systems. With a capacitance rating of 45+5 microfarads (µF) and a dual voltage rating of 440V/370V AC, this capacitor is designed to support both the compressor and fan motor in air conditioning units, heat pumps, and other motor-driven appliances. Whether you're a contractor replacing failed capacitors on-site or a homeowner performing maintenance, the Jard 12788 offers a reliable, long-lasting solution.
Built with high-grade materials, this round metal-can capacitor meets or exceeds OEM specifications and is suitable for a wide range of HVAC brands, including Carrier, Lennox, Goodman, Rheem, Trane, York, American Standard, and more. Its durable aluminum construction, internal safety pressure switch, and corrosion-resistant terminals ensure stable performance in high-temperature and high-humidity environments.
✅ Key Specifications
Brand: Jard (a division of Packard)
Part Number: 12788
Capacitance: 45/5 MFD (µF) ±6%
Voltage Rating: 440V / 370V AC (dual voltage rated for universal replacement use)
Shape: Round
Frequency: 50/60Hz
Operating Temperature: -40°C to +70°C (-40°F to +158°F)
Terminals: 3-prong configuration (C - Common, FAN, HERM)
Case Material: Aluminum with steel mounting stud
Safety: UL recognized, RoHS compliant
Dimensions (Approx): Diameter: 2.5", Height: 4.75"
Application & Compatibility
The Jard 12788 is commonly used in systems that require a dual capacitor to start and run the compressor (45 MFD) and fan motor (5 MFD). It is a direct replacement for many OEM capacitors, including those found in split air conditioners, rooftop units, HVAC condensers, refrigeration equipment, and packaged units.
Compatible with:
Goodman / Amana
Carrier / Bryant / Payne
Rheem / Ruud
Lennox / Armstrong Air
York / Luxaire / Coleman
Trane / American Standard
Nordyne / Intertherm / Miller
ICP / Tempstar / Comfortmaker
(Always verify capacitance, voltage, and physical dimensions before replacing.)
Why Choose Jard 12788?
Reliable motor startup and operation
Prevents compressor short-cycling and fan motor failure
Improves system efficiency and energy savings
Tested for 100% capacitance and leakage
Designed and manufactured to exacting HVAC industry standards
Ideal For Contractors and HVAC Technicians
Beenimax.com is your trusted source for OEM and aftermarket HVAC parts. We stock the Jard 12788 and offer fast, nationwide shipping across the U.S. Whether you're servicing rooftop units or home AC systems, this capacitor is a go-to replacement that installs in minutes and keeps your equipment running smoothly.
| Package Quantity | 1 Item |
|---|---|
| Item Returns | This item can be returned |

