Resideo - Honeywell Home Q340A1074 Thermocouple

Thermocouple for gas-fired heating systems, the Resideo Honeywell Home Q340A1074 Thermocouple delivers reliable safety sensing for standing-pilot and safety-control power units. This universal Type thermocouple supports a wide range of appliances, with a hot junction rating of 1400°F and a cold junction rating of 780°F, ensuring stable flame sensing in demanding environments. Measuring 24 inches in length, it features a 11/32 inch—32 male connector nut for easy integration and includes an adapter and push-in clip for quick installation.

CSA approved for safe operation, this thermocouple provides a low resistance of 0.02 Ohms and a voltage output of 30 millivolts open circuit (range 26–32 mV). The universal Type design fits a broad range of standing-pilot gas-fired heating systems, including pilot burner assemblies and safety control power units. This kit includes practical installation hardware to speed setup and ensure reliable long-term performance.

• Universal Type thermocouple for broad compatibility
• 24-inch length with 11/32"‑32 male connector nut
• CSA approved for safe operation in heating systems
• HOT junction 1400°F / COLD junction 780°F ratings
• Open-circuit output 26–32 mV and 0.02 Ω resistance
• Includes adapter and push-in clip for easy installation
• Ideal for Pilot burner and standing pilot gas-fired safety control power unit applications