York S1-025-31812-000 Rollout Switch The MARS 11951 Start Capacitor

The MARS 11951 Start Capacitor is a professional-grade 189-227 MFD 250V component engineered for high-torque motor starting in commercial and residential HVACR systems

Always verify your system voltage before installation

specifically engineered to provide sensitive overcurrent protection for control circuits

A humming motor often indicates a failed start capacitor that can no longer provide the phase shift required to initiate rotation

simplifying inventory and parts matching for contractors

York S1-025-31812-000 Rollout Switch The MARS 11951 Start CapacitorThe York S1 025 31812 000 Rollout Switch is a critical safety component designed for specific furnace burner assemblies where precise thermal monitoring is non negotiable. This 270 degree furnace switch functions as a NC (normally closed) limit that opens when excessive heat is detected outside the combustion chamber, preventing hazardous conditions resulting from flue gas spillage or heat exchanger breaches. As a manual reset rollout switch, it