







🔥 Stay warm, stay smart — the copper core of your home's heat control!
The Honeywell Home CQ100A1039 Replacement Thermocouple is a 30-inch copper sensor engineered for precise flame detection in gas furnaces, boilers, and water heaters. Lightweight yet durable, it operates across an extreme temperature range (-40°F to 2500°F) with a low 0.03V supply voltage, ensuring reliable and safe pilot control. Compatible with Honeywell systems, this thermocouple is a must-have for maintaining efficient and secure heating performance.


| Brand | Honeywell Home | 
| Item dimensions L x W x H | 0.25 x 0.25 x 33 inches | 
| Material | Metal | 
| Item Weight | 0.1 Pounds | 
| Style | Classic | 
| Maximum Supply Voltage | 0.03 Volts | 
| Measuring Range | -40°F to 2500°F (-40°C to 1371°C) | 
| Mounting Type | Surface Mount | 
| Output Type | Analog | 
| Sensing Distance | 3E+1 Inches | 
| Upper Temperature Rating | 2.5E+3 Degrees Fahrenheit | 
| UPC | 085267870306 | 
| Global Trade Identification Number | 00085267870306 | 
| Manufacturer | Resideo | 
| Part Number | CQ100A-1039 | 
| Item Weight | 1.6 ounces | 
| Product Dimensions | 0.25 x 0.25 x 33 inches | 
| Item model number | CQ100A1039 | 
| Is Discontinued By Manufacturer | No | 
| Size | 30-Inch | 
| Color | Copper | 
| Shape | Shape | 
| Voltage | 30 | 
| Item Package Quantity | 1 | 
| Measurement System | Imperial | 
| Included Components | water heaters | 
| Batteries Included? | No | 
| Batteries Required? | No | 
| Warranty Description | As labelled | 
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