IQ2020 Hi Limit Sensor Watkins

Watkins IQ2020 hi limit sensor with o-ring 1/2 inch (packaged).  This item includes 39204 and 34879.

This Thermistor is used in Hot Springs, Limelight and Tiger River IQ2020 Control Systems from 2002 to Current.

Thermistors are completely Interchangeable with # 39525 - Housing was Extended,

Allowing the Thermistor to Sit Deeper in the Water for Better Temperature Readings.

Also replaces part nr. 39525.

High limit thermistor ("Limit Therm") used on Hot Spring, Tiger River, and Limelight spas from 2002 to current.  Connects directly to the circuit board.