Product Description

Features: 1) Pressure type structure 2) *4 hour hot water supply 3) Inner tank materials: SUS****2B stainless steel, advanced welding technique, thickness 1.2mm 4) Can endure pressure of 0.4 MPa and is suitable for direct connection to a mains supply 5) Waterless evacuated tubes 6) Will work even if a number of tubes are broken 7) Can be used all year round and in cold climates Number of Tubes *5, *0, *4, *0 Length of Tube ***0 mm Outer Tube Diameter *7 mm Inner Tube Diameter *7 mm Glass Tube Thickness 1.6 mm Tube Thermal Expansion 3.3 X *0 *6 oC Tube Material Borosilicate Glass 3.3 Absorptive Coating Graded AI-N/AI Absorptance > *3% (AM 1.5) Emittance 7 % (**0 oC) Vacuum P < 0.**5 Pa Stagnation Temperature < **0 oC Heat Loss < 0.8 W/m2. oC) Reflector Ginning Alumnium reflector plate The out cover of the solar connector stainless steel. Frame stainless steel Insulation Polyurethane Daily efficiency >*2%