This part is a Sundance or Jacuzzi Hi Limit with the smaller bulb for 400, 600, 600-S, 750, 95+ with Bypass Heater...
LED Hi Limit Sensor for Jacuzzi Hot Tub models J-235, J-245, J-275, and J-280.
Fits all Jacuzzi J-200 Series Hot Tubs from 2011 to present day
Error Codes
- "SN-2" refers to a non-functional temperature sensor.
- "SN-1" refers to a non-functional Hi Limit sensor.
- Three dashed lines ("watchdog") is almost always corrected by replacing the temperature sensor.
- Rapidly changing temperature or wildly inaccurate displays are almost always fixed by replacing the temperature sensor.
- Model 6600-144 Hi Limit Sensor
Replacing the Hi Limit is more rare than replacing the temperature sensor, but it does happen.
