York S1-025-30321-700 Limit Switch the R37520B009 ensures precise thermal

the R37520B009 ensures precise thermal response times and terminal alignment

allowing for seamless field retrofits without the need for linkage modification

this white ABS plastic housing provides a durable physical barrier for 2x3 inch thermostats

It serves as the critical junction between the furnace's internal exhaust outlet and the field-installed vent piping

18 mm) orifice size

York S1-025-30321-700 Limit Switch the R37520B009 ensures precise thermalThe York S1 025 30321 700 Limit Switch is a critical safety component engineered for precise thermal monitoring in high output HVAC furnace systems. This 185F manual reset limit switch is designed to break the electrical circuit if the heat exchanger exceeds its safe operational threshold, preventing catastrophic equipment failure and ensuring safe discharge air temperatures. Featuring a changeover (CO) configuration, this part offers versatile