Solar Working Station Water Heating System. With Controller, Circulation pump, Thermometer, Manometer, Valves, etc.. Solar Working Station / Solar Work Station / Solar Pump StationTechnical data1. Externality size: 445mm*200mm*145mm2. Max. Self consumption: ≤3W3. Accuracy of temperature measuring: ± 2oC4. Range of temperature measuring: 0~99oC5. Power of controlled pumps (temperature difference ...