solar water heater panel We are a professional solar water heater part manufacturer with ISO and CE certificate in Jiaxing, Zhejiang, China. JinYi solar water heater part system is an active system. It uses a solar workstation the fluid between heat pipe solar collector and pressurized water tank. Tank and solar collector are separate, solar collector could be installed on the roof or somewhere sunshine could shine on, while tank, solar workstation could be installed anywhere of the building. The piping between the main components is twin way pre-insulated solar hose. one coil system is suit for climates where there is risk of freezing. it is the simplest and the most typically and the least expensive active system. The system operates at standard line pressure. The system integrates easily with existing systems. The main components: 1) JINYI heat pipe solar collector. 2) Solar Workstation (Single pipeline pump station or Double pipeline pump station). 3) Relief check valve