Specification Brand : LITYPEND BulletPoint1 : Style:High Limit Switch We have an overseas warehouse in the USA, so you can receive your goods faster. BulletPoint2 : Type:Pool Heater BulletPoint3 : For Pentair MiniMax and PowerMax Heaters BulletPoint4 : New Unused Parts BulletPoint5 : Non original aftermarket part ConnectivityProtocol : Wi-Fi ExternallyAssignedProductIdentifier : 6997897664245 ItemName : Hi Limit Switch for Pentair MiniMax & PowerMax Heaters 071017, Courtesy of LITYPEND. ItemTypeKeyword : swimming-pool-heater-and-heat-pump-parts Manufacturer : LITYPEND Material : Sand ProductDescription : Replacement High Limit Switch (150°F) For Pentair Sta-Rite MiniMax & PowerMax Pool Heaters For 071017 & P12848 For Pentair MiniMax and PowerMax Heaters The high limit switch is used to detect whether the water temperature exceeds the safe level (150 ?) ° F) When this happens, open the heat exchanger outlet immediately. You heater will indicate when it is time to replace the High Limit Switch when the ?SERVICE? LED is displayed. It also may be time to replace your High Limit Switch if all 3 lights on the back of the control board are on and one or both of the switches shows an open circuit (given proper water flow through the heater). See the troubleshooting section of the Service Manual. Brand: LITYPEND If you have any questions or are not satisfied, please contact us by email and we hope to be able to provide you with a better service. ProductSiteLaunchDate : 2021-07-18T00:20:35.925Z Style : High Limit Switch SwitchType : Pressure Switch