Honeywell Q340A1074/U – 24" Thermocouple Kit for Standing Pilot Gas Systems
The Honeywell Q340A1074/U is a 24-inch thermocouple assembly engineered for use with gas-fired heating systems that utilize standing pilot configurations. It produces a 30 millivolt output when properly exposed to a steady pilot flame, enabling safe operation of gas valves by maintaining the safety circuit.
This model includes an 11/32" male connector nut and a push-in mounting clip for standard pilot burner installation. It is designed for compatibility with many gas-fired appliances, including boilers, furnaces, and water heaters.
Features
Millivolt Generation: Provides 30 mV signal output when the flame is present, enabling gas valve functionality.
Secure Mounting Hardware: Comes with push-in clip and male connector for reliable mechanical connection.
Thermal Durability: Rated for 760°C at the hot junction and 416°C at the cold junction for dependable performance in demanding conditions.
Application Versatility: Compatible with a range of heating appliances using standing pilot ignition systems.
Technical Specifications
Overall Length: 24 inches
Output Voltage: Nominal 30 millivolts
Resistance: 0.02 ohms
Connection Type: 11/32" male connector nut
Mounting Method: Push-in clip
Temperature Ratings: 760°C (hot junction), 416°C (cold junction)
Installation Guidance
This thermocouple is intended for professional installation. Ensure correct positioning of the hot junction within the pilot flame and verify compatibility with the gas control system. Proper installation is critical for system safety and reliability, and must conform to local codes and manufacturer specifications.
Additional Product Information
Model: Q340A1074/U
Includes: Thermocouple, push-in clip, male connector nut
Manufacturer: Honeywell
Use Case: Replacement part for gas appliances using pilot safety systems