this plate is an essential thermostat accessory for maintaining a high standard of workmanship during system upgrades or replacements of larger legacy units

Versatile Application: Ideal for furnace blowers

and FR series

Combustion Stability: Eliminates the risk of pressure fluctuation and "hunting" that can occur when using non-spec or generic conversion springs

forcing an inspection of the combustion system

York S1-025-30321-700 Limit Switch this plate is an essentialThe 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