Features: Ensures your pool is alway at the temperature with our high precisions, compatible heating Systems component for various models. Crafted from materials, our heater parts include chimney sensors and thermal resistors that provide accurate temperature monitoring and intelligent safety features to prevent overheating. Suitable for swimming pool maintenance professionals and SPA center owners who demand performances and safety in their heating systems. These essential component are designed for seamlesses integration into daily operations of swimming pools and spa facilities, maintaining a constant and comfortable water temperature. With easy installation and protection mechanisms, our heating Systems parts ensures a warm and inviting experience, enhancing customer satisfaction in your spa retreats. Specifications: Texture: Metal Part Number: 42002-0024S, 42001-0053S, 42001-0060S (3902), 42002-0025S, 42001-0063S Working Temperature Range: -20 ℃~80 ℃ Size: As Picture Shows Package Includes: 1 Set Stack Flue Sensor note: Please allow 1-2cm errors due to manual measurement. Due to the differences between different monitors, the picture may not reflect the actual color from the item.