Hi Limit Sensor 

Part # 6472-525

Two pin, 8" long

Fits the following models:

2015+ J-500 Collection Hot Tubs

9/2015+ J-400 Collection Hot tubs

2016+ J-300 Collection Hot Tubs

2018+ J-200 Collection Hot Tubs

2018+ J-100 Collection Hot Tubs

11/2021+ 800 Optima & Cameo Limited

2018+ 680 Series

4/2017+ 780 Series

10/2016+ 980 Series

2016+ 880 Series

PLEASE NOTE: Due to the sensitive nature of electronics, items such as circuit boards, sensors, pumps, heaters, control panels, SmartTub, transformers, fuses, etc. are NOT returnable regardless of condition, whether it was or was not installed, or whether it was incorrectly ordered. This is done to ensure every single component we ship has not been damaged or tampered with.