FOLNPATR 2 Pack 42002-0024S Stack Flue Sensor Replacement for Pentair Sta-Rite MasterTemp Max-E-Therm Pool and Spa Heater Electrical System SR200 SR333 SR400

["Compatibility:42002-0024S Stack Flue Sensor Replacement for Pentair MasterTemp pool and spa heater electrical systems.Fits models: SR200, SR333, SR400","High quality:42002-0024S is made of stainless steel and features smooth threads. It is resistant to rust, durable and has a long service life","Easy to install: Before replacement, please turn off the power supply and wear protective gloves to protect your hands. Just remove the old sensor, install the new sensor, then slide the insulating piece completely over the terminal and firmly fix it to ensure correct alignment. This is to avoid short circuits or loose connections during operation","Package Includes:2 Pack 42002-0024S Stack Flue Sensor"]