The Franklin Machine Products 187-1171 Flame Sensor is a precision-engineered component essential for ensuring the safety and efficiency of various heating systems. Measuring 3-1/4 inches in length, this flame sensor is designed with a 3/8-25 thread, providing a secure and reliable connection suitable for a wide range of applications across different heating units. The inclusion of a 1/4-inch tab enhances its compatibility, allowing for easy integration into existing systems. Constructed from high-quality steel, this flame sensor boasts durability and resilience, making it ideal for use in environments subject to high temperatures and demanding operational conditions. Its robust design ensures consistent performance, making it a critical component for industries reliant on precise temperature control and safety, such as commercial kitchens, manufacturing facilities, and HVAC systems. The Franklin Machine Products 187-1171 Flame Sensor stands out in the market due to its meticulous construction and adaptability, meeting the needs of technicians and engineers who prioritize reliability and longevity in their heating systems.