Features: OOTDTY Ensures your pool or spa is alway in working order with Stack Flue and Heater Thermistor High Limit set, for seamlesses compatibility with heaters. This complete replacement set includes a stack flue heater thermistor, and excessive restrict all crafted from materials to precisely and maintain safe heater operations. Suitable for pro pool maintenance crew of staff and managers who prioritize constant water temperature and Systems reliability for environment. Whether it's for habitual upkeep or emergencys repairs, here's main for retaining the electrical methods of residential or commercial swimming pools and spas. With clean set up and precise temperature monitoring, the and never completely extends the of your heater but in addition guarantees a safe, gratifying swimming journey for all users. Specifications: Texture: Metal Part Number: 42002-0024S 42001-0053S 42001-0063S Working Temperature -20 ℃~80 ℃ Size: As Picture Shows Package Includes: 1 Set Stack Flue Note: Please enable 1-2cm errors thanks to manual measurement. Due to the diversities between different monitors, the image might not replicate the actual shade from the item.