Durable Construction: Heavy-duty insulation protects against environmental degradation in residential and commercial applications

Pressure switches must match the manufacturer’s specified set point exactly

Operating with an open circuit voltage range of 20-28 mV

Enhanced Safety Monitoring: Provides accurate feedback for flame sensing and pressure regulation to maintain system stability

York S1-025-35306-000 Flame Sensor Durable Construction: Heavy-duty insulation protectsProfessional 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