Lennox 89M78 Run Capacitor R-134A The 1-11/16" length through bore

The 1-11/16" length through bore ensures stable shaft engagement

a common failure point in aftermarket alternatives

This model includes a break-off shaft and mounting bracket for fast field replacement of older OEM controls

Thermal Protection: Features internal overload protection to prevent winding failure during high-ambient operation or restricted airflow conditions

Lennox 89M78 Run Capacitor R-134A The 1-11/16" length through boreProfessional grade motor and compressor support starts with a reliable phase shift. The Lennox 89M78 Run Capacitor is a high performance 45 4 MFD dual run capacitor engineered for precision in residential and light commercial cooling systems. Rated at 370 VAC, this round metal canister component provides 45 microfarads for the compressor circuit and 4 microfarads for the fan motor, ensuring optimized torque and electrical efficiency during heavy duty