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ensuring precise bolt-hole alignment and hardware fitment
once the special stem nut and jam nut are secured
OEM Standards: Guaranteed physical fit and electrical compatibility with York S1-025-27747-018 systems
OEM Compatibility: Designed as a direct replacement for York S1-025-26392-010
Carrier HH12ZB220 Limit Switch ensuring precise bolt-hole alignment andThe Carrier HH12ZB220 Limit Switch is a critical safety component designed for high limit protection in residential furnaces, packaged units, and air handlers. Engineered as a normally closed (NC) switch, this part initiates a system cutout when the 220F open temperature is reached, effectively preventing heat exchanger damage and hazardous operating conditions. Once the plenum cools to the 180F close temperature, the bimetal disc automatically
