solar water heater

Detailed product description
1)Brand name: song of youth
2)Type: Evacuated tube
3)Pressure: unpressurized
4)Circulation Type: Direct/open loop(Active)
5)Heating system: Thermosyphon (Passive)
6)Connection Type: Direct-plug
7)Place of origin: Zhejiang, China
8)whole capacity: 200/225/250/300/375/450
9)vacuum tube counts: 16/18/20/24/30/36
10)vacuum tube specifications:58X1800mm
11)inner water tank shell is made of sus304/2B food grade stainless steel plates.
12)outside water tank material is colorful steel plates and welded by automatic argon arc by laser.
13)heat insulation of water tanks is made of polyurethane foam and the thickness is 50-60mm
14)bracket is made of colorful steel plates.
15)the tubes and bracket are adjustable, power bearing is average, which can make sure the vacuum tubes in good condition for a long time.