Thermocouple Honeywell 031.0429.00 M9

Thermocouple Honeywell 031.0429.00 M9 — original safety valve-thermocouple (thermoelectric flame sensor) for gas control systems. Also known in warehouse inventory systems under part number 534.799.004. This element plays a key role in the safety system of gas equipment: when heated by the pilot flame, the thermocouple generates voltage, keeping the electromagnetic valve open. If the flame goes out, the thermocouple cools, current stops, and the valve automatically shuts off gas, preventing leakage. Purpose and compatibility: Honeywell 031.0429.00 M9 thermocouple is designed for use in gas control systems requiring reliable confirmation of pilot flame presence. The indices in the marking 031.0429.00 usually indicate specific electrical parameters and capillary tube length. Typical applications: Gas boilers and water heaters. Gas fireplaces and stoves. Gas heaters and infrared emitters. Burner control units. Key features: Original Honeywell equipment: ensures stable output voltage and accurate response to temperature changes. Reliability and durability: design rated for long service life under constant heating and cooling. Compatibility: recommended for replacing similar thermocouples in equipment where specifications require components with part number 031.0429.00. Safety: provides instant gas shutoff when pilot flame extinguishes, preventing emergencies. Technical specifications (general): Characteristic Value Manufacturer Honeywell SKU 031.0429.00 / 534.799.004 Device type Thermocouple (Safety valve-thermocouple) Application Flame presence control, aut