non-pressurized solar water heater 250L

Catelogue: Low Pressured Series

Hits:

Highqualityandexcellentperformance

Fiveyearswarranty,15yearslonglifeSpan

heatedinshorttimeandmeetingyourdemandforhotwater

producemorehotwater

OEMisavailable

Product Details :

Summarize：

² Net capacity 250L, Gross capacity 330 L, Ø 58mm * 1800mm * 30 tubes

² Absorb area: 3.6 m2

² We can also produce the products according to customers’ demand, so if you ask for special size and design, please let us know.

² Price of the assistant tank: 22 USD / set.

² The compact non pressurized solar water heater is a very suitable choice in warm and hot region, with its high efficiency and very competitive price.

Specification：

(1) Out shell of tank: color steel sheet, surface plastic painting/painted steel, thickness: 0.4mm

(2) Inner tank: Stainless steel (SUS304-2B), components C: =&<0.07%, Cr: =&<17.00-19.00% Ni: 8.00-10.00%, Thickness:0. 4mm

(3) Insulating layer: Foaming polyurethane, thickness: 60mm,Thermal transfer rate :0.022w/m.k

(4) Stand/Bracket: Galvanized steel sheet Surface plastic painting/painted steel, Thickness: 1.5mm

(5) Angle:33 to 45 degree, normal is 38 or 45

(6) Evacuated tube: Each evacuated tube consists of two glass tubes made from extremely strong borosilicate glass. The outer tube is transparent allowing light rays to pass through with minimal reflection. The inner tube is coated with a special selective coating (Al-N/Al) which features excellent solar radiation absorption and minimal reflection properties.

(7) Sealing rubber:110 Methyl silicone rubber with Vinyl.

(8) Dustproof rubber: EPDM

(9) Tailstock: ABS plastic material

(10) Daily Efficiency:>50%; Heat Loss:10W/m2.k

(11) Optional Electric Booster: normal is 1500w