York S1-025-27747-018 Rollout Switch and Janitrol air handlers and

and Janitrol air handlers and furnaces

Maintaining factory specifications with genuine components prevents unnecessary mechanical rattling and ensures the structural integrity of the equipment remains intact during heavy thermal cycling

maintaining a stable millivolt signal to the gas valve

the S1-029-21182-042 threads securely into the gas manifold

York S1-025-27747-018 Rollout Switch and Janitrol air handlers andEnsure critical safety operation in gas fired heating systems with the York S1 025 27747 018 Rollout Switch. This genuine OEM furnace safety control is engineered to monitor flame behavior and interrupt the burner circuit if temperatures near the burner box exceed its 370 degree Fahrenheit threshold. As a fundamental furnace limit switch for York, Coleman, and Luxaire equipment, this component features a manual reset mechanism, requiring a technician