La description

Features:  High efficiency of thermal absorption: daily efficiency >*0%.  Quick start-up: the heat energy from collector can be instantaneously transferred to water tank.  The water tank can be connected directly to water supply system.  No water in absorption vacuum tube.  Parallel tube configuration to avoid system shut-down resulted from individual malfunction.  High efficiency insulation with polyurethane foam.  Simple structure for easy assemble and installation.  Year-around operation even in severe cold winter.  Optional assistant electric heating available. Specifications:  Water tank materials: inner tank- import food grade stainless steel SUS****2B ; outer tank- PVDF galvanized steel  Insulation: *0mm**5mm high density polyurethane foam（*0kg/m3）  Thermal efficiency: ≥*5%(≥*2% in winter)  Thermal loss: ≤4%  Operation pressure: 0.6 M Pa  Operation temperature: **5℃**0℃  Thermal vacuum collecting tube size:ï¿ *8mm****0mm  Gross Wight: ******8kg  Volume: 0.****1.**9m3  Joint Diameter: 3/4”  Designed lifetime:*5 years