Features: Compatibility: This temperature sensor is a replacement part for spa temperature sensors and is designed for use with hot tubs. It is a reliable hot tub heater sensor that helps maintain the desired water temperature in your spa system. This temperature sensor is compatible with the following hot tub models: - 2007+ J-270, J-280, J-355, J-365, J-375 - 2005+ J-210, J-220, J-230, J-200 LED Models - 20052007 J-325 - 2004+ J-335, J-345 - 20032005 Del Sol Models - 20022003 J-320, J-330, J-340 - 2002+ J-300 It is also suitable for the following systems: - (2012+) - 880 Systems (2005+) - 850 Systems (19972005) - 400, 600, 600-S, 750, 800, and 850 Systems - Suncoast (1992) - Suntub SVDV Systems (496498) - 850 Systems (1997+) Replaces part numbers: 6600-138 and 6600-105. Interchangeable with 6600-182 sensor (stainless steel) with box end connectors. For inground spas without a skirt, refer to model 6600-169. Additional compatibility includes: - J-300 LCD Series (2002+) - J-350, J-360, J-380 (20022003) - J-355, J-365, J-375, J-385 (20042006) - All J-400 Models (20062009) Solve Water Temperature Issues: This hot tub temperature sensor helps resolve common error codes such as OH or ICE on compatible Sundance spa systems. Easy Installation: Disconnect the old temperature sensor from the hot tub. Attach the new spa temperature sensor wire to the old wire using tape, then pull it through to the control board for connection. Part Name: Temp Sensor Fitment: 6600-166 Material: Non-woven fabric Color: Black Package Contents: 1 x Temp Sensor Note: The package includes only the items listed above. Other products are not included. Due to lighting effects and monitor settings, the color of the item may vary slightly from images shown. Allowable measurement deviation is +/- 13 cm.