York S1-025-41313-000 Rollout Switch serving as the primary defense

serving as the primary defense against heat exchanger failure and overheating

This gasket is compatible with specific Lochinvar Knight models

Utilizing a genuine Johnson Controls replacement part ensures that the spray pattern remains centered within the burner tube

preventing furnace short cycling and blower motor malfunctions often caused by out-of-spec aftermarket alternatives

This indoor ambient thermistor is typically mounted on the front of the evaporator coil to measure the return air temperature before it passes through the cooling or heating stages

York S1-025-41313-000 Rollout Switch serving as the primary defenseThe York S1 025 41313 000 Rollout Switch is a critical safety component designed for precise thermal monitoring within York furnace gas burner assemblies. This Single Pole Single Throw (SPST) flame rollout sensor is engineered to interrupt the heating circuit when it detects excessive temperatures, preventing hazardous conditions resulting from a cracked heat exchanger or blocked flue. With a 290 degree F open temperature and a 210 degree F close