Suitable replacement for HotSpring® IQ2020 Hi Limit Sensor - New Style
These sensors are commonly used in controllers from 2002 to current.
Sensor has a cable length of 970mm, Probe length of 25mm and a thread width of 12.5mm(Smaller then the Temp sensor).
This sensor is new style replacement for the HS-39525. Probe was extended, allowing it to sit deeper in the water for better temperature readings.
It is recommended to also replace the Temp(Control) sensor at the same time if replacing the Hi Limit sensor.
- Check fixing style
- Check your spa type
- Check your model number