Universal Compatibility: This thermopile sensor is a perfect replacement for SP20824, SP20800, SP21058, and SP20739 pilot assembly kits. It is designed to work seamlessly with for , for Ruud, and for , ensuring a broad compatibility range. Enhanced Durability: Constructed with a high-temperature ceramic core, our thermopile withstands temperatures exceeding 2150F. This superior material choice significantly enhances durability and maintains stable voltage output under extreme heat conditions. Optimal Performance: Our thermopile sensor delivers a tested voltage output of over 750mV, surpassing industry standards for reliable ignition. The optimized flame contact area ensures consistent performance, crucial for efficient water heater operation. Please note:the physical slightly color difference or difference, does not affect the use, please do not mind, thank you! Color:As Shown Material:Metal Package Contents: 1 * LP Thermopile Senor Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.