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The RECTORSEAL M12014 is a 20 microfarad (MFD), 370-volt oval run capacitor designed to support the continuous operation of single-phase motors in HVAC equipment. Run capacitors maintain a phase-shifted current to the run winding, keeping motors spinning efficiently after startup. This capacitor measures 1.806 inches wide by 2.806 inches long by 2.875 inches tall and fits the compact footprint common in residential condensing units and air handlers. Licensed HVAC technicians handle replacement of this component as part of routine seasonal service or emergency no-cool calls.
The M12014 is suited for residential and light commercial HVAC applications where a 20 MFD, 370-volt oval capacitor is specified. Typical installations include condenser fan motors and compressor run circuits in split-system air conditioners and heat pumps. Its oval form factor is a common physical standard across many condensing unit cabinets, making it a frequently stocked replacement item for service vehicles.
Designed as an OEM-style replacement run capacitor for residential and light commercial HVAC systems requiring a 20 MFD, 370-volt oval capacitor.
Run capacitors must be replaced by a qualified HVAC technician. Disconnect and lock out all power to the unit before opening the electrical compartment — capacitors retain a charge even after power is removed and must be safely discharged before handling. Use insulated tools and verify the replacement capacitor matches the MFD rating and voltage rating of the original. Follow NEC guidelines and local electrical codes for all service work.
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