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With Copper coil Compact solar water heater
With Copper coil Compact solar water heater

Pre-heated Solar Water Heater: 1. 15 years lifetime; 2. Copper Coil inside 12mm or 16mm Dia; 3. High Quality,Competive Price

Pre-heated solar water heater (pressurized)




1.Outer tank : Painted steel sheet ( 0.4mm ) dia.460 mm

2.Inner tank: SUS 304-2B Stainless Steel sheet (0.5mm) dia. 360 mm

3.Insulation: Polyurethane foam (50 mm)

4.Vacuum tube : Borosilicate glass 3.3 Φ58× 1800mm,

5.Absorption coating :Cu-Al-SS 3 targets

6.Stand: Aluminum alloy/ Galvanized sheet

7.Stand angle:25degree/45 degree

8.Heat preservation:72 hours

9.Hail resistance:25mm

10. Max pressure: 0.6 Mpa

Principal drawing for Pre-heated solar water heater:

Pre-heated solar water heater Working Principle:


The working principle is like heat exchange. The vacuum tubes collect the sunshine and make the water in tubes to be hot, and then the water in tank will circulate with the water in tubes. And finally the water in tank will be very hot. And there is one coil inside the tank, we use the water goes through the copper coil, we never use the water inside the tank. So the water is fresh.




Related Photos:

 Our Company

CNC punching Machine:

Argon Welding:

Cover Welding:

100% inner tank quality Checking

Automatic Foaming Line :


Tank Carton




With Copper coil Compact solar water heater

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