Jacuzzi Hi Limit Sensor for LED J-235, J-245, J-275, J-280

LED Hi Limit Sensor for Jacuzzi Hot Tub models J-235, J-245, J-275, and J-280.

Model 6600-144 Fits all Jacuzzi J-200 Series Hot Tubs from 2011 to 2017


Common Sensor 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 much less common than replacing the temperature sensor, but it does happen.


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  • Model: 6600-144
  • Manufactured by: Jacuzzi Hot Tubs

Manufacturer Info