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Solar water heaters & solar thermal
Pre-heated Solar Water Heater (copper coil)
SUNSOL pre-heated solar water heater: the vacuum-tube collector heats a buffer tank; a copper coil carrying cold mains water absorbs that heat. Outlet water stays close to tank temperature for a continuous temperature rise. Designed to integrate with an existing hot-water system. SUS304-2B tank, copper coil Ø12 mm, Φ58×1800 mm tubes, 100–300 L.
Non-pressurized Solar Water Heater (economy)
SUNSOL non-pressurized solar water heater: the cheapest and simplest to install. Sturdy structure, works without electricity, hot water used directly or as pre-heat. Working pressure under 0.1 MPa, optional 1.5 kW / 2 kW electric backup. 304-2B inner tank, 55 mm PU insulation, bracket 25/38/45°, daily efficiency >50%.
Flat-Plate Pressurized Solar Water Heater
SUNSOL flat-plate solar water heater: a sleek, low-profile flat collector that blends into modern roofs. Welded copper-aluminium core, black-chrome selective coating, high-transmittance 4–5 mm tempered glass. Good pressure resistance and long service life. Sizes 2×1 m / 2×1.5 m, heat-pipe Ø22/25 mm, anodised anticorrosion aluminium frame.
Integrated Pressurized Solar Water Heater (heat-pipe vacuum tube)
SUNSOL integrated pressurized solar water heater: tank and vacuum-tube collector in one compact block. The copper heat pipe inside each tube transfers heat quickly to the tank water with no water in the tube, so it resists freezing down to −35 °C and 25 mm hail. SUS304-2B food-grade inner tank, up to 0.6 MPa, 55–60 mm PU insulation, borosilicate 3.3 tubes.
Solar Project Solution (hot water for large buildings)
SUNSOL central solar thermal solution: a system sized to consumption, able to heat large volumes of water for tens to hundreds of people. Storage plus backup (boiler + electric heater) gives year-round hot water. Remote control, fully automatic, payback in two to three years. Custom design and quote. SUS304-2B inner tank, galvanised outer tank, 58×1800 / 47×1500 mm tubes, 50/60 tubes per set.
Separated (Split) Pressurized Solar System (tank + remote collector)
SUNSOL split solar system: tank installed indoors, collector on the roof. The tank loses less heat, water reaches a higher temperature, and the building stays neat. Electric or gas backup. Supplied with a control station (circulation pump, expansion vessel, thermometer). Tank 100–500 L, SUS304 food-grade inner tank, copper coil Ø12 mm, max 12 bar / 6 bar service.