York S1-025-27773-700 Flame Sensor and Tempstar units

and Tempstar units

Standardized 3-Inch Insertion: Allows for rapid installation into existing mounting brackets with a secure 3-inch probe depth

engineered specifically to handle the high torque and frequent start-stop cycles of heavy-duty agitation motors

A 1-pole contactor switches one side of the high-voltage line while the other side remains "hot" via a permanent shunt

this kit addresses stem leaks and pressure loss without requiring a full valve body replacement

York S1-025-27773-700 Flame Sensor and Tempstar unitsThe York S1 025 27773 700 Flame Sensor is a critical OEM component designed for precise flame rectification in high efficiency York gas furnaces and HVAC units. Engineered to interface with the integrated furnace control board, this rod utilizes a microamp signal to confirm the presence of a pilot or burner flame, preventing hazardous unburned gas buildup and nuisance lockout codes. This sensor features a high grade Kanthal alloy probe to withstand