Jacuzzi Temperature Sensor for J-235, J-245, J-275, 280 Hot Tubs




Temperature Sensor for LED Jacuzzi Hot Tub models 235, 245, 275, and 280.

Fits all Jacuzzi J-200 Series Hot Tubs from 2011 to present day

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.
  • The Hi Limit Sensor rarely needs replacement.

Click here for instructions on how to replace the temperature sensor in your spa


  • Model: 6600-166
  • Manufactured by: Jacuzzi Hot Tubs

Manufacturer Info