The 18" 2-Lead Thermopile with PG9 Adapter from METROPAC is designed for reliable performance in gas control applications. This thermopile features a robust construction, ensuring durability and longevity. It is compatible with various heating systems, providing efficient temperature sensing and control. The PG9 adapter allows for easy installation and connection, making it suitable for both new and replacement applications. With a lead length of 18 inches, it offers flexibility in installation. This thermopile meets industry standards for safety and performance, ensuring compliance with relevant regulations.