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Constructed for the high-cycle demands of residential gas furnaces
This part number typically refers to the cast iron door itself
leak-resistant brass body
ensuring alignment with existing draft hood interfaces
this board is the primary solution for expansion control board replacement when troubleshooting multi-zone configurations or complex staging logic in York furnace and AC units
Reznor 211754 Limit Switch 326058-757 Constructed for the high-cycle demandsThe Reznor 211754 Limit Switch is a critical safety component designed for high limit temperature monitoring in Reznor unit heaters. This OEM replacement switch features a 180F fixed temperature setpoint with a 30F differential, ensuring precise thermal cutout protection to prevent internal heat exchanger damage or unsafe operating conditions. Built for durability in commercial HVACR applications, this SPST automatic reset limit switch monitors