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The RECTORSEAL usa2235 is a dual run capacitor rated at 40/5 microfarads (MFD) and 370/440 volts, designed for use in residential and light commercial HVAC systems. Run capacitors provide continuous phase-shifted current to keep compressor and fan motors running at proper torque and efficiency. The dual configuration allows a single round capacitor to serve both the compressor and the condenser fan motor simultaneously. Licensed HVAC technicians install this component as part of routine capacitor replacement or system repair work on air conditioning and heat pump equipment.
This capacitor is suited for split-system air conditioners and heat pumps where one round dual run capacitor serves the compressor and the outdoor fan motor from a single terminal assembly. The 370/440-volt dual-rated design accommodates both standard 370-volt and 440-volt applications, making it a practical service replacement across a range of condensing unit configurations. It is typically located inside the outdoor unit's control compartment.
Designed as an OEM-style replacement dual run capacitor for residential and light commercial split-system air conditioners and heat pumps requiring a round 40/5 MFD 370/440-volt dual run capacitor.
Installation should be performed by a licensed HVAC technician. Always disconnect and lock out power to the condensing unit before accessing the control compartment, and discharge any stored voltage in the existing capacitor using an approved discharge tool before handling. Verify the MFD ratings and voltage rating on the original capacitor before installing the replacement. Capacitor work on refrigerant-containing systems is subject to applicable local electrical codes and NEC guidelines.
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