High-Temp Durability: Machined from high-grade brass to resist corrosion and fouling in extreme burner environments

the SPDT switch configuration ensures flexible wiring for both alarm and limit circuits

The Weil-McLain 382-200-451 Conversion Kit is a critical field upgrade designed to transition legacy boiler systems from Hot Surface Ignition (HSI) configurations to a more reliable Spark Ignition (SI) Gold Control system

this unit is specifically wound for 240Vac

visible pitting or carbon buildup on the silver contacts

York S1-3024-3111 Relay 322057-301 High-Temp Durability: Machined from high-gradeThe York S1 3024 3111 Relay is a specialized isolation relay designed for precise load management in HVACR systems. This OEM York replacement part features a 24V coil and is engineered to isolate high voltage circuits from low voltage controls, preventing feedback that can damage sensitive control boards. Operating with high reliability contacts, it is a direct replacement for various Source 1 maintenance applications across York, Luxaire, and Coleman