Features: Compatibility: This temperature sensor is a replacement part for spa temperature sensors and is designed for use with various hot tub models. 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, and J-375; 2005+ J-210, J-220, and J-230; J-200 LED models; 20052007 J-325; 2004+ J-335 and J-345; 20032005 Del Sol models; 20022003 J-320, J-330, J-340; and 2002+ J-300.It is also suitable for use with (2012+), 880 Systems (2005+), 850 Systems (19972005), 400, 600, 600-S, 750, 800, and 850 Systems. Compatible with Suncoast (1992), Suntub SVDV Systems (496498), and 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 compatible models include: J-300 LCD Series (2002+), J-350, J-360, J-380 (20022003), J-355, J-365, J-375, J-385 (20042006), and 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 your spa display.Easy Installation: Disconnect the old temperature sensor from the hot tub, tape the new sensors wire to the old one, and pull it through to the control board for secure connection.Part Name: Temp Sensor Fitment: 6600-166 Material: Plastic and electronic components (non-woven fabric reference removed as inaccurate) Color: Black Package Contents: 1 x Temp Sensor Note: The package includes only the items listed above. Other accessories are not included. Due to lighting and screen differences, the actual color may vary slightly from the image. Measurement may vary by +/- 13 cm.