Product Name: Antifreeze Vacuum Tube Heat Pipe Solar Collector with Solar Keymark Model NO.: ETC-20 Pipe Material: Glass Application: Water Heater, Solar Thermal, Solar AC Type: Vacuum Solar Collector Working Temperature Range: Medium Temperature Concentrating: Yes Certification: ISO, ISO9001:2016,SRCC,Solarkeymark,AS/NZS2712,as 3688 Installation: Freestanding Aperture Area: 1.89m2 Gross Dry Weight: 63.5kg Warranty: 10 Years OEM: Yes Trademark: Apricus Transport Package: Wooden Case, Pallet Specification: 1496 x 2005 x 136 mm Origin: China HS Code: 84199010 Product Description A single ETC-20 tube collector is ideal for residential households of 2-3 people, able to provide 60-80% of domestic hot water demand (depending on location).For commercial projects that demand a lot more hot water such as such as hotels, dormitories and car washes, multiple ETC-20 collectors can be connected to form a larger solar thermal array.Models Product Construction Features High strength evacuated tubeTwin glass evacuated tube (passive solar tracking) provides high strength and heat absorption efficiency.High quality oxygen free copper heat pipeHeat pipe provides freeze resistance and high heat transfer efficiency.Less braze pointsPotable water certified copper header pipe only have 4 braze points, extremely reliable header design.Reliable high quality fittingsFlared compressions fittings for reliable, leak free connectionsHigh strength mounting frameCyclone rated, corrosion resistant aluminium mounting frame provides high strength to resist strong winds and extreme weather.Safe and reliable packaging and transportationWe provide professional system design and global on-site installation guide & technical training and support.Our Advantages 13 years commecial & residential projects experience worldwideEstablished in 2003 with 8 global offices. Great market share in Australia & America.Professional installation guide and technical supportWe provide professional system design and global on-site installation guide & technical training and support.Certifications