Sundance 6600-166 Temperature Sensor

This genuine replacement temperature sensor is compatible with a range of Sundance and Jacuzzi spa control systems. The sensor features a hex cap bulb sensing element and a 12 foot cable with a boxed end for secure installation and accurate water temperature measurement.

• Key features
  • 12 foot cable length for flexible mounting
  • Hex cap bulb style temperature probe for reliable readings
  • Box end connector for secure fit and easy wiring
  • OEM quality compatible with Jacuzzi and Sundance systems
• Compatible models
  • Designed for use with Sundance models 400, 600, 600S, 700, 750, and 800
• Included
  • One temperature sensor with 12 foot cable and boxed end

This sensor is sold as an exact fit replacement for OEM part numbers including 6600-166 and alternate numbers 6600-105 and 701-724. It is ideal for replacing a failed or inaccurate spa temperature sensor to restore proper temperature regulation and protect the heater and control system.

Installation tips

• Power down spa equipment and disconnect power at the breaker before starting any work
• Confirm sensor location and remove cover panels to access the existing sensor
• Match wiring and boxed end connector orientation when installing the replacement sensor
• Secure the sensor in the same position as the original to avoid false readings from direct pump or heater heat
• After installation, restore power and verify temperature readings and normal heater operation

Notes

• Use this part only with compatible Sundance and Jacuzzi models listed above. If you are unsure of compatibility, compare OEM part numbers or consult a certified spa technician
• Do not attempt installation without cutting power to the spa to avoid electrical shock
• Returns and warranty vary by seller. Check seller policy before purchase

If you need additional details such as connector pinout or wiring color codes for your specific control pack, contact customer support or consult the spa service manual for your model. This replacement sensor helps maintain accurate temperature control and reliable spa performance.