Resideo - Honeywell Home Q390A1095 Thermocouple

The Q390A1095 Thermocouple from Resideo (Honeywell Home) provides accurate temperature sensing for standing pilot gas-fired heating systems. This durable thermocouple delivers a temperature measuring range of 1400°F at the hot junction and 780°F at the cold junction, ensuring fast, stable readings across typical operating conditions.

With an 18-inch length and a 11/32 inch-32 male connector nut, the Q390A1095 is ready for quick installation in compatible units. It offers a nominal voltage rating of 30 millivolts, with an open-circuit output of 26–32 millivolts, and a low resistance of 0.02 ohms for reliable signal transmission and minimal loss. The package includes an adapter and push-in clip for straightforward mounting. This CSA-approved thermocouple meets safety and performance standards for residential heating systems.

• 18" length for flexible installation
• 11/32"–32 male connector nut
• Voltage rating: 30 mV (open circuit 26–32 mV)
• Low resistance: 0.02 Ω
• CSA approved
• Includes adapter and push-in clip
• Ideal for standing pilot gas-fired heating systems