Resideo - Honeywell Home Q390A1061 Thermocouple

The Thermocouple you rely on for standing pilot gas-fired heating systems—the Resideo Honeywell Home Q390A1061 Thermocouple—delivers dependable safety and precise temperature sensing. This 36-inch millivolt thermocouple is CSA approved for residential use and is a trusted replacement part for gas furnaces and boilers. With a hot junction rating up to 1400°F and a cold junction rating of 780°F, it maintains accurate readings under demanding operating conditions. The 11/32 inch-32 male connector nut provides a secure fit, while the ultra-low resistance of 0.02 ohms ensures quick response and reliable flame sensing. Open-circuit output ranges from 26 to 32 millivolts, making it compatible with standard standing-pilot systems. Includes an adapter and push-in clip for straightforward installation.

• Length: 36 inches
• Connector: 11/32 inch-32 male
• Application: standing pilot gas-fired heating system
• Output: 26–32 mV open-circuit, 0.02 Ω resistance
• Approval: CSA approved
• Includes: adapter and push-in clip