Supco TH181975 39-Inch Replacement Thermocouple for York / Nordyne Units

The Supco TH181975 is a 39-inch single-wire replacement thermocouple designed for use on York® and Nordyne® heating units. Featuring an 8mm metric thread connection, this thermocouple converts temperature fluctuations into electrical signals to accurately monitor heat levels and keep pilot flame safety systems functioning properly.

Key Features:

• 39-inch lead length for flexible installation reach
• Single-wire design with 8mm metric thread connection
• Direct replacement for York® and Nordyne® furnace and heating units
• Restores pilot flame safety shutoff function
• Durable construction for reliable, long-term performance in residential and commercial heating applications

The TH181975 is an OEM-quality replacement thermocouple that delivers accurate temperature sensing to ensure safe gas valve operation. When a pilot flame fails to stay lit, a faulty thermocouple is a common cause — this Supco replacement restores proper system function quickly and affordably.