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The RECTORSEAL M12008 is a 10 microfarad (MFD), 370-volt oval run capacitor designed to support motor starting and continuous operation in HVAC equipment. Run capacitors maintain the phase shift needed to keep single-phase motors running efficiently after startup. This unit stores and releases electrical energy in a controlled cycle, reducing current draw and keeping the motor running at rated speed. The oval form factor fits standard capacitor brackets found in condensing units and air handlers. Licensed HVAC technicians install and replace this component during seasonal maintenance, compressor diagnostics, and motor failure calls.
This capacitor is suited for residential and light commercial HVAC applications where a 10 MFD, 370-volt oval run capacitor is specified. Typical installations include single-phase condenser fan motors and blower motors in split-system air conditioners and heat pumps. It is a direct-replacement form factor for oval-style run capacitors in condensing unit capacitor wells and side-mount brackets.
Designed as an OEM-style replacement oval run capacitor for single-phase residential and light commercial HVAC systems requiring a 10 MFD, 370-volt rated component.
Run capacitor replacement is a task for qualified HVAC technicians. Always disconnect and lock out power to the unit before opening the electrical compartment. Capacitors store a charge even after power is removed — discharge the capacitor safely using an insulated resistor or discharge tool before handling. Verify the replacement MFD and voltage rating match the equipment nameplate before installation.
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