Honeywell Q340A1090 36" Thermocouple – 36"
$16.24
The Honeywell Q340A1090 36″ Thermocouple is a universal flame-sensing device designed for standing pilot gas-fired heating systems. Built to generate a reliable 30 mV signal, it confirms pilot flame presence to the gas safety control and helps maintain safe burner operation. With its extended 36″ lead and included adaptor/clip hardware, this thermocouple simplifies installation on pilot assemblies in boilers, furnaces, and water heaters—giving contractors straightforward serviceability and dependable performance.
Quantity
Key Features
-
Universal replacement thermocouple for standing pilot gas burners – suitable for many HVAC applications.
-
36″ lead length provides reach for tight or deep pilot assemblies.
-
Generates dependable 30 mV output (open circuit typically 26–32 mV) to satisfy Pilotstat and similar millivolt controls.
-
Maximum Copel construction enhances durability and long service life.
-
Includes adapter and push-in clip for easier mounting to pilot burner assemblies.
Technical Specifications
-
SKU / Model: Q340A1090 (Honeywell/Resideo)
-
Lead Length: 36 inches
-
Voltage Rating: ~30 mV generated at flame temperature
-
Open Circuit Output: ~26 mV to 32 mV
-
Resistance: ~0.02 ohm
-
Connection Type: 11/32″-32 male nut
-
Temperature Ratings: Hot Junction ~1400 °F; Cold Junction ~780 °F
-
Includes: Adapter assembly and push-in clip for pilot mounting













