Thermistor, Control Thermostat, Solana and Hot Spot

Item #: 72493
$32.84

This Control Thermostat Thermistor communicates the actual water temperature to the controller (control box motherboard) to shut off the heater when the spa reaches the target temperature. It is used on all 73859, 72469, 76840 and 76091 control boxes.

This part can be found on many Hot Spot, Solana models from 2003 to 2021

View compatibility table & diagrams

Description

This Control Thermostat Thermistor communicates the actual water temperature to the controller (control box motherboard) to shut off the heater when the spa reaches the target temperature. It is used on all 73859, 72469, 76840 and 76091 control boxes.

Test Procedure

1. Set the meter to 20K on the OHM scale.
2. Record the temperature of the spa water.
3. Unplug the thermistor from the control box.
4. Meter across the two Thermistor leads.
5. Refer to the Temperature versus Resistance chart below to find the correct resistance value for the temperature measured. If the temperature and resistance do not match that of the chart, this test has failed and the thermistor must be replaced. Remember if the spa has been inactive, the spa water temperature may be different
than the water temperature in the heater housing.

Chart (PDF)

View compatibility table & diagrams

Ref. Diagram
# 7 Hawk Control Box (Current) (Hot Spot 2019 - 2019) View Diagram
# 3 Control Box (Cedric) (Solana 2006 - 2010) View Diagram
# 4 Control Box with Heater (Hot Spot 2010 - 2012) View Diagram
Thermistors (PUG, ORCA, and EAGLE Compatible) (Hot Spot 2006 - 2009) View Diagram
brand model years
Hot Spot Relay (REL) 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021
Hot Spot Rhythm (RHY) 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021
Hot Spot Stride (STD) 2019, 2020, 2021
Hot Spot SX (SX) 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020
Hot Spot Tempo (TEM) 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019
Hot Spot TX (TX) 2019, 2020
Solana RX (RX) 2006, 2007, 2008, 2009
Hot Spot La Palma (LAP) 2008, 2009
Hot Spot Mallorca (MAL) 2006, 2007, 2008, 2009
Hot Spot Pace (PAC) 2020, 2021
Hot Spot Tobago (TOB) 2006, 2007
Hot Spot Relay (REL) 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021
Hot Spot Rhythm (RHY) 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021
Hot Spot Stride (STD) 2019, 2020, 2021
Hot Spot SX (SX) 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021
Hot Spot Tempo (TEM) 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019
Hot Spot TX (TX) 2019, 2020, 2021
Hot Spot Pace (PAC) 2020, 2021
Solana RX (RX) 2006, 2007, 2008, 2009
Hot Spot SX (SX) 2011, 2012
Hot Spot TX (TX) 2011, 2012
Hot Spot La Palma (LAP) 2008, 2009
Hot Spot Mallorca (MAL) 2006, 2007, 2008, 2009
Hot Spot Mallorca (MALS) 2006, 2007, 2008, 2009
Hot Spot Relay (REL) 2010, 2011, 2012
Hot Spot Rhythm (RHY) 2011, 2012
Hot Spot Sorrento (SOR) 2006, 2007, 2008, 2009
Hot Spot Sorrento (SORS) 2006, 2007, 2008, 2009
Hot Spot Tempo (TEM) 2010, 2011, 2012
Hot Spot Tobago (TOB) 2006, 2007
Hot Spot Trinidad (TRI) 2006, 2007, 2008, 2009
Hot Spot Dash (DAS) 2010, 2011, 2012
Hot Spot Sprint (SPR) 2010, 2011
Hot Spot Mallorca (MAL) 2003, 2004, 2005
Hot Spot Mallorca (MALS) 2003, 2004, 2005
Hot Spot Sorrento (SOR) 2003, 2004, 2005
Hot Spot Sorrento (SORS) 2003, 2004, 2005
Hot Spot Tobago (TOB) 2003, 2004, 2005
Hot Spot Trinidad (TRI) 2003, 2004, 2005
Hot Spot Sorrento (SOR) 2006, 2007, 2008, 2009
Hot Spot Trinidad (TRI) 2006, 2007, 2008, 2009

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