Buy Hot Tub Thermistors

This control thermostat thermistor sensor detects the spa waters temperature and relays that information back to the system. It screws into the No Fault Heater Housing and plugs into the side of the spas control box. This item is found on the 95-2000 Hot Spring Classic, 95-2002 Hot Spring Grandee, Jetsetter, Landmark, Prodigy and Sovereign. It was also used on the 95-96 Highlife, 02 Sovereign ILE (Special Edition) and 2000-02 Hot Spring Vanguard. This thermistor also found on the Tiger River 95-96 Khyber, Manora and Tondi and the 97-02 Siberian, Bengal and Sumatran spas.

The hi-limit thermistor sensor is a safety device designed to communicate with the system and will shut down the heater if the water temperature exiting your heater exceeds 118F. It's found on the 95-2000 HotSpring Classic, 95-02 Grandee, Jetsetter, Landmark, Prodigy and Sovereign. It is also on the 95-96 Highlife, 02 Sovereign ILE (Special Edition) and 2000-02 Hot Spring Vanguard. This thermistor is also found on the Tiger River 95-96 Khyber, Manora and Tondi as well as the 97-02 Siberian, Bengal and Sumatran.

Screws into the No Fault Heater Housing and then plugs directly onto the IQ 2020 control box motherboard. Found on the Hot Spring 05-06 Accolade, 04-current Vista and Envoy, 02-current Grandee, Jetsetter, Prodigy, Sovereign and Vanguard. Also found on the Hot Spring 03 Highlife, 02-03 Landmark, 02 Sovereign ILE (limited edition) and the 06-current Aria. This thermistor is also on the Tiger River 02-current Bengal and Sumatran, 02-04 Siberian and 03-current Caspian spa models.

Screws into the No Fault Heater Housing and then plugs directly onto the IQ 2020 control box motherboard. Found on the Hot Spring 2005-2006 Accolade, 2004-current Vista and Envoy, 2002-current Grandee, Jetsetter, Prodigy, Sovereign and Vanguard. Also on the Hot Spring 2003 Highlife, 2002-2003 Landmark and 2002 Sovereign ILE (limited edition) and the 2006-current Aria. This thermistor can also be found on the Tiger River 2002-current Bengal and Sumatran, 2002-2004 Siberian and 2003-current Caspian spa models.

This is the replacement thermistor for the 1999-2002 Hot Spot RE, RLX, SE, SLX and the 2001-2002 SLXtra (wood sided) spa models. Also the Solana 2000-2002 X, 2003-2005 RX, SX and TX models. This thermistor communicates the actual water temperature to the controller to shut off the heater when the spa reaches target temperature.