Rectorseal M12208 Dual Run Capacitor 20/10 Mfd 370V

Product Description

The RECTORSEAL M12208 is a dual run capacitor rated at 20/10 microfarads (MFD) and 370 volts, designed for use in residential and light commercial HVAC systems. Run capacitors provide the continuous phase-shifted current that keeps compressor and fan motors running at rated efficiency. This round-style unit stores and releases electrical energy to maintain steady motor torque through each cycle. HVAC technicians install this capacitor as a direct replacement when a failed or weak capacitor causes slow motor start, motor humming, or system shutdown on high-load days.

This capacitor is suited for split-system air conditioners and heat pumps where a single round capacitor serves both the compressor and the condenser fan motor simultaneously. The dual-rating design eliminates the need for two separate capacitors in systems originally equipped with a round dual-run style. It is a standard replacement part used in residential cooling equipment serviced by licensed HVAC technicians during seasonal tune-ups and emergency service calls.

Key Features

• Dual run capacitor rated 20 MFD and 10 MFD in a single round housing
• 370-volt rating suitable for standard residential single-phase HVAC equipment
• Round form factor for direct drop-in fit in systems using round-style capacitors
• Compact footprint at 2.0 x 2.0 x 3.625 inches simplifies installation in tight equipment cabinets

Compatibility

Designed as an OEM-style replacement dual run capacitor for residential and light commercial split-system air conditioners and heat pumps that require a round 20/10 MFD 370-volt capacitor.

Installation Notes

Capacitor replacement is performed by licensed HVAC technicians. Always disconnect and lock out power to the unit before servicing the capacitor, and discharge the existing capacitor through a resistor before handling — a charged capacitor can deliver a serious shock even with power off. Follow NEC guidelines for working on high-voltage components inside electrical enclosures. Do not over-tighten terminal connections, as damaged terminals can cause intermittent contact and premature failure.

Technical Specifications

• Capacitance: 20/10 MFD
• Voltage Rating: 370 volts
• Style: Round
• Width: 2.0 inches
• Length: 2.0 inches
• Height: 3.625 inches
• UPC: 685744122081

Standard Information

• Brand: RECTORSEAL
• Manufacturer Part Number: M12208