Solar water heater collector 1,Pressurized type 2,five year warranty 3,Popular in Europe 4,OEM available Pressurized Heat pipe solar water heater collector, Heat pipe 58-1800, SHCMV 70-1900 We are a professional enamel hot water tank / solar water heater manufacturer with ISO and CE certificate in Changzhou, China. 1. Reliable and efficient twin-glass solar tubes2. Copper heat pipes for rapid ...