Proper installation by a licensed contractor is recommended to verify output using a manometer

specifically calibrated for liquid propane applications in residential and light commercial furnaces

Ensure power is disconnected and the old capacitor is discharged before installation

replacing the sensor with this factory-tested HVAC high limit control restores system safety and prevents short-cycling issues caused by degraded bimetal sensors

once the special stem nut and jam nut are secured

MARS 12857 Run Capacitor Proper installation by a licensedThe MARS 12857 Run Capacitor is a high performance 60 10 MFD 370V oval dual run capacitor engineered for HVACR outdoor condensing units. Designed to support both the compressor motor and the condenser fan motor, this dual section motor run capacitor provides critical phase shift and current limiting for Permanent Split Capacitor (PSC) systems. This JARD 12857 replacement features an aluminum case construction with non PCB fluid and a built in pressure