Sunrain Group is the largest solution provider of new energy hot water, heating system and water purification system in the world. As the healthy hot water expert, Sunrain, founded in 1999, is an enterprise group engaged in ecological science & technology fields such as solar energy, air energy, water purification, and owns the first stock of Chinese solar energy. Now Sunrain products have been exported to more than 100 countries and regions all over the world, and the global sales hold a safe lead. It provides solutions of healthy hot water and water purification system for thousands of families all over the world.
Sunrain Heat Pipe Collector R1
Heat Pipe / Evacuated Tube Collector
• High performance evacuated tube collectors
• Can be mounted free-standing or on a pitched roof, easy to install, simple roof fixings
• Heat pipe – offer low maintenance
• No water in the vacuum tubes, no freezing problem in winter, can be used in cold areas. One broken tube will not affect the function of the system.
• 3 years warranty, 20+ years lifespan
• Triple layer selective absorber coating, absorption coefficient >94%
• Evacuated tube outer tube thickness >1.8mm
• 24mm high conductivity heat pipe condenser, Nick-coated condenser surface.
• Aluminum frame, strong structure, lightweight.
• High and constant pressure of polyurethane foaming technology ensure the outstanding insulation quality.
The vacuum tubes trap incident sun rays, and convert it to heat inside the inner tube. Water, now being heated its temperature rises, density changes, and hot water sections rise through the tube to the top of the tank, while cold water from the bottom of tank replaces it in the tube, to start the cycle again. This natural cycling of water driven by temperature difference keeps water hot when stored in an insulated tank.
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