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 engineered to help maintain the desired water temperature in your spa system. Compatible Models: Suitable for various hot tub models including 2007+ J-270, J-280, J-355, J-365, and J-375; 2005+ J-210, J-220, and J-230; J-200 LED models; 2005–2007 J-325; 2004+ J-335 and J-345; 2003–2005 Del Sol models; 2002–2003 J-320, J-330, and J-340. Also fits (2012+), 880 Systems (2005+), 850 Systems (1997–2005), 400, 600, 600-S, 750, 800, and 850 Systems. Compatible with Suncoast (1992), Suntub SVDV Systems (496–498), and 850 Systems (1997+). Replaces 6600-138 and 6600-105 (not included). Interchangeable with 6600-182 sensor (stainless steel) with box end connectors. For inground spas without a skirt, refer to model 6600-169. Application: Designed for J-300 LCD Series (2002+), J-350, J-360, J-380 (2002–2003), J-355, J-365, J-375, J-385 (2004–2006), and all J-400 models (2006–2009). Troubleshooting: This hot tub temperature sensor helps resolve common error codes such as OH or ICE on compatible Sundance spa systems. Installation: Easy to install. Disconnect the old sensor and connect the new spa temperature sensor by splicing the wires and securing them to the control board. Specifications: Part Name: Temp Sensor Part Number: 6600-167 Material: Non-woven fabric 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 display differences, the color shown in images may vary slightly from the actual product. Size measurements may have a tolerance of ±1–3 cm.