![Your hot tub high limit switch is designed to deactivate the heater when the water in your spa hits extreme numbers, often somewhere around 120° F. — Hot Tub Warehouse Your hot tub high limit switch is designed to deactivate the heater when the water in your spa hits extreme numbers, often somewhere around 120° F. — Hot Tub Warehouse](https://hottubwarehouse.com/cdn/shop/articles/30298-2_800x800.jpg?v=1519925885)
Your hot tub high limit switch is designed to deactivate the heater when the water in your spa hits extreme numbers, often somewhere around 120° F. — Hot Tub Warehouse
![ArrogantF Hot Tub Sensor for Balboa Spa Heater M7 System 24" Temp/Hi Limit,1/4" Diameter for Balboa Spa Sensor Parts Hot Tub Heater Replacement Sensor 32016 30344 30042 30382, 2 Pack : Amazon.ca: ArrogantF Hot Tub Sensor for Balboa Spa Heater M7 System 24" Temp/Hi Limit,1/4" Diameter for Balboa Spa Sensor Parts Hot Tub Heater Replacement Sensor 32016 30344 30042 30382, 2 Pack : Amazon.ca:](https://m.media-amazon.com/images/I/71flf79oAkL._AC_UF350,350_QL80_.jpg)
ArrogantF Hot Tub Sensor for Balboa Spa Heater M7 System 24" Temp/Hi Limit,1/4" Diameter for Balboa Spa Sensor Parts Hot Tub Heater Replacement Sensor 32016 30344 30042 30382, 2 Pack : Amazon.ca:
![Amazon.com: Hot Tub Classic Parts Spa Suntub Manual Hi Limit Switch Compatible with Most Sundance Spas SUN6560-070/275-3275-00 : Patio, Lawn & Garden Amazon.com: Hot Tub Classic Parts Spa Suntub Manual Hi Limit Switch Compatible with Most Sundance Spas SUN6560-070/275-3275-00 : Patio, Lawn & Garden](https://m.media-amazon.com/images/I/41mrMwT287L._AC_UF894,1000_QL80_.jpg)