Solar- Constant Pressure. - No mixing to avoid water contamination. - Higher efficiency heat transfer. - CE and ISO9001-2008.

SD-HE Models

Solar Design SD-HE models exist in four different sizes

For a better adaptability, four angles of frames are available (8°, 20°, 38°, and 45°) and can be installed on metal or tile roofs.

SD-HE models are equipped with 1500mm length vacuum tubes and 58mm diameter. This ideal size optimizes the ratio size/yield/strength of solar water heaters.

With the technology of heat-exchanger

Tubes and tank can not be fured up with the scraps from networkWater for use is not stocked but instantly warmed upNo risk of disease due to the consumption of stagnant water

Variety of frames

For slanted tile roofsFor slanted metal roofsFor flat roofs

Warranty

Product workmanship 5 years

Technical Characteristics

Model	SD-110	SD-165	SD-210	SD-320
Number of tube	10	15	20	30
Total capacity (L)	112	163	214	326
Absorbing area (m2)	0.66	0.99	1.33	1.99
Aperture area (m2)	0.82	1.23	1.64	2.45
Weight without water (kg)	46	59	76	103
Weight with water (kg)	156	225	288	427
Thermal insulator material	Polyurethane Foam –50mm
Frame material	Aluminum 6063-T5
Inner tank material	Stainless Steel SUS 304 2B –0.5mm
Out tank material	Stainless steel SUS 304 2B –0.4mm

Stainless steel Thermosiphon Solar Water Heater 110L/10 tubes with Heat-Exchanger