Common indicators include the hot surface igniter glowing without the gas valve opening

Reliable Fail-Safe Operation: Spring return mechanism ensures the valve closes upon power interruption

and integrated circuit boards

this orifice is engineered to maintain specific pilot flame characteristics

Johnson Controls TE-635AM-2 Temperature Sensor THPU32HP7Y Common indicators include the hotThe Johnson Controls TE 635AM 2 is a professional grade 1K Ohm Platinum RTD temperature sensor designed for precise liquid temperature monitoring in Building Automation Systems (BAS) and Direct Digital Control (DDC) applications. Featuring a 6 inch probe length, this immersion temperature sensor is engineered for well mount installation, providing high accuracy readings within a range of 50? F to 220? F ( 46? C to 104? C). The platinum sensing element