A solar water heater valve is designed with a central valve body that integrates multiple water channels for efficient control of hot and cold water flow. On either side of the valve body, left and right water inlet and outlet pipes are installed, allowing connection to different parts of the solar heating system. These pipes communicate with a mixing chamber through a dedicated mixing valve, which helps regulate the temperature of the water by blending hot and cold streams. The mixing chamber is connected to the inner end of a drainage passage, with the water outlet positioned at the front of the valve body for easy access. The right inlet and outlet pipes are linked to the front end of a right rear passage, while the rear end of this passage connects to the right side of an upper water passage via a normally closed solenoid valve. This ensures controlled flow when needed. In the middle section of the water collecting passage, a hydraulic cylinder is installed, enabling mechanical actuation for enhanced control. The lower end of the opening and closing handle of the mixing valve is positioned to interact with the left end of the upper water passage and the rear end of the left rear passage. This design allows smooth operation of the mixing function. On the front left side of the left rear passage, a connection is made to the left water inlet and outlet pipe, ensuring a complete flow path. Meanwhile, the right water inlet and outlet pipe is connected to the pilot control cavity of the pilot valve through a right front water pipe. A normally closed solenoid valve is also mounted on the front right side of the water pipe, providing additional control over the system’s operation. This innovative solar water heater valve is engineered for simple installation, user-friendly operation, and energy efficiency. It offers a reliable solution for managing water flow in solar heating systems, reducing energy consumption while maintaining optimal performance. The design combines mechanical and electrical components to deliver a seamless and effective control mechanism.

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