Description
The Utica-Dunkirk 14662039 is a genuine OEM 30″ thermocouple designed as a direct replacement for compatible Utica-Dunkirk boilers and heating systems. Thermocouples are a critical safety component in gas-fired appliances, generating a small millivolt signal that confirms a pilot flame is present and keeps the gas valve open. When the pilot extinguishes, the thermocouple cools rapidly and shuts off gas flow — protecting your home or building from unburned gas accumulation.
Key Features
- Genuine Utica-Dunkirk OEM replacement part (SKU: 14662039)
- 30″ lead length for flexible routing and easy installation
- Designed for precise fit and function in compatible Utica-Dunkirk heating systems
- Generates reliable millivolt output to maintain pilot-controlled gas valve operation
- Durable construction for long service life in demanding boiler environments
- Direct drop-in replacement — no modifications required
Application
This thermocouple is intended for use in Utica-Dunkirk boilers and heating appliances that utilize a standing pilot ignition system. Always verify compatibility with your specific model number before installation. Replacement is recommended any time the pilot will not stay lit after the thermocouple has been properly heated, or when the component shows visible signs of damage or corrosion.
Installation Notes
- Turn off gas supply before servicing
- Allow the system to cool completely before handling components
- Finger-tighten the thermocouple connection at the gas valve, then snug with a wrench — do not overtighten
- Consult the appliance service manual or a qualified technician for full installation instructions
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