Technical Information Non-pressurized Thermosiphon Solar Water Heater Int Version - October 2018 Product Introduction Wombat vented thermosiphon solar water heaters are a great choice for consumers who want a cost effective hot water solution. When mounted on the roof the house is provided with gravity fed hot water. In high solar radiation areas, Wombat solar water heaters can be the sole energy source for hot water supply. In cooler climates Wombat systems can provide pre-heated hot water which saves on traditional energy costs such as electricity or gas. The tank has an optional electrical heating element for boosting for when the water is not hot enough. Basic Operation Evacuated tubes absorb sunlight and heat up the water inside. The warmer water rises into the storage tank while cooler water in the bottom of the tank flows down to the bottom of the tubes to repeat the cycle. This thermosiphon process occurs throughout the day, gradually heating up the water in the tank. When hot water is used it drains from the bottom of the tank. The tank is slowly refilled with cold water, either manual via opening a cold water filling tap, or automatically if a optional small header tank is fitted to the top of the tank. Economical solar water heating solution Food grade 304 stainless steel inner tank Triple layer absorber evacuated tubes Well insulated solar storage tank Reinforced tank welding design Easy plug-in installation Low maintenance operation Anodized aluminium supporting frame Comprehensive limited warranty: • 10 year on evacuated tubes • 3 year on complete system • 1 year on electrical heating elements Materials of Construction Evacuated Tubes: Absorber: Inner Tank: Outer Tank: Insulation: Mounting Frame: Max. Pressure: Borosilicate 3.3 Glass Cu-SS-AL/N or AL-N-AL coating Food grade 0.4mm SUS304 SS304 or PVDF coating tank High density polyurethane 50mm Galvanized steel 1.5mm/Aluminum alloy SS201 Fasteners 0.5 bar Optional Accessories Electric Heating Element, Mg anode & Check Valve Evacuated Tube Part Code Water Tank Sustainable HOT WATER Solutions, Delivered by APRICUS Apricus Solar Co., Ltd
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