Do it 18 In. Copper Universal Thermocouple is a reliable part designed for various heating appliances including furnaces, water heaters, and space heaters. Crafted from durable copper, this thermocouple features universal fittings that make it compatible with a wide range of units. Its 18-inch length provides ample reach for easy connection between the control unit and the pilot light. Installation is straightforward, ensuring accurate temperature readings to maintain the proper functioning of your heating system. The copper construction not only s durability but also promotes efficient heat transfer, making it a dependable component for your heating needs. Model Number: 410576/1151