the Trane SEN1457 Flame Sensor is often the primary suspect

This analog temperature sensor offers a comprehensive measurement range of -40°C to +125°C

Use a Sporlan MKC-2 coil to match your specific field voltage requirements (e

the switch automatically cycles to prevent overheating

Intermatic MIL72ASTUZH-24 Timer Els PW 17895 the Trane SEN1457 Flame SensorThe Intermatic MIL72ASTUZH 24 is a professional grade 24V electromechanical timer designed for high reliability switching in commercial HVACR and light industrial control panels. Featuring a 24 hour cycle with captive trippers at 15 minute intervals, this module allows for precise scheduling of 24 VAC single phase circuits. The SPDT switch is rated for 21 Amps resistive and up to 2 HP at 250 VAC, making it an ideal choice for refrigeration