The Honeywell Q390A1046 is a reliable 30mV thermocouple designed for use with standing-pilot gas appliances, furnaces, boilers, and water heaters. It delivers consistent open-circuit output in the 26mV–32mV range, ensuring dependable pilot flame sensing and gas valve safety shutoff performance.
Key Features
- 30mV rated voltage output for compatibility with standard millivolt gas valve systems
- Open-circuit output range: 26mV–32mV for reliable flame sensing
- 24″ lead length provides flexible installation reach
- 11/32″ male connector nut for secure, leak-free gas valve connection
- Low resistance rating of 0.02 ohms for efficient signal transmission
- Includes adapter for expanded compatibility with various gas valve types
- Includes push-in clip for convenient, secure mounting
Specifications
- SKU: Q390A1046
- Brand: Honeywell
- Voltage: 30mV
- Open Circuit Output: 26mV–32mV
- Lead Length: 24″
- Connector: 11/32″ Male Nut
- Resistance: 0.02 Ohms
- Includes: Adapter and Push-In Clip
Applications
- Standing-pilot gas furnaces
- Gas boilers and hydronic heating systems
- Residential and commercial water heaters
- Gas fireplaces and space heaters
- Any millivolt gas valve system requiring thermocouple flame sensing
