【Compatible with Sensor Parts】This sensor is designed as a compatible replacement part for Spa M7 System 32016, 30344, 30042, and 30382, making smooth compatibility with your existing spa equipment. 【Quick Responses】Our replacement for the spa M7 sensor allows for quick and effective fixing of "HH" and "SN" error code failures, providing a swift resolution to temperature limit issues in your spa. 【Reliable and robust】Crafted with materials, our spa sensor replacement kit is manufactured to strict control standards, making long-lasting and reliable performance for your spa system. 【Convenient and Time-Saving】This drop-in replacement sensor offers easy installation, saving you valuable time and effort. Simply replace the old sensor with this new and get your spa back up and running smoothly. 【Specifications】Product Name: Sensor, Material: Metal, Wire Length: 24", Color: Black, Sensor Application: Spa Control, Sensor Type: Temp or Limit, Model: M7, Connector Type: 2 Pin, Sensor Diameter: 1/4", Wire Count: 2 Wire.