York S1-025-35306-000 Flame Sensor this OEM replacement part ensures

this OEM replacement part ensures the burner circuit opens if the heat exchanger exceeds safe operating parameters

This L150-40F equivalent switch is built for high-duty cycles and long-term reliability in varying airflow environments

Serves as a high-compatibility Nortek replacement part

preventing overheating during combustion

you must verify the specific 170-20 SB temperature rating

York S1-025-35306-000 Flame Sensor this OEM replacement part ensuresProfessional grade furnace diagnostics begin with reliable verification of the burner assembly, and the York S1 025 35306 000 Flame Sensor is the specific OEM replacement part required to maintain system safety. This 4 inch flame sensor features a precise angle bend and a single hole mounting design, engineered to interface directly with the control board via a standard 1 4 inch male quick connect terminal. It functions through the process of flame