солнечный водоподогреватель

Specifications: 1) Water tank (interior): SUS304-2B food grade stainless steel 2) manifold : aluminumalloy 3) Glass tube: new trivalent element heat tube 4) solar working station 5) Steel tube dimensions: 58mm x 1.8m, 47mm x 1.5m 6) Water capacity: 150L, 200L, 300L,500L *Advanced coating system is used in the corrugated vacuum tube with selectively absorbing layer and the absorbing rate is ≥0.96, emissivity≤0.03, heating collecting efficiency raised by 30%, the temperature up to over 250 degrees; high vacuum heating preservation makes heating last long; The hard, strong boric and silicon glass vacuum tubes can protect the product from 25mm hailstones ! *The material of water tank outer structure is stainless steel SUS304-2B, which is resistant to corrosion; the outlook of the heater is smart. *The material of water tank outer structure is colored stainless steel, which is resistant to corrosion; the outlook of the heater is delicate *The outer cover is shaped wonderfully only once without rivets or apertures, which makes the heater fixed faster and smarter. *Obliquity designed in some parts meets the need heat collecting