1. Instant heat exchange to provide plentiful warm water

2. Fresh and high water quality

3. Working with pressure

4. Output water temperature is stable, so it is very comfortable and safe to use

5. Hot&cold water flow is separated

6. Copper coil is tested and does not break

7. Works intelligently and easy and is very reliable

8. Perfect performance

Material of pre-heating solar water heater,copper coil solar water heater :

Inner tank: Imported stainless steel (316 or SUS304/2B),0.4~ 0.5mm thickness

Outer tank: Galvanized steel alloy,0.4mm thickness or stainless steel

Bracket: Galvanized steel alloy, 1.5mm thickness

Heat insulation layer: Imported polyurethane (Bayer, Germany), 50mm thickness

Ambient working temperature: -20~50 celsius degree

Working pressure: Copper coil: above 0.6Mpa (6 bars), tank: 0.05Mpa (0.5 bars)

Copper coil: 12mm/14mm/16mm diameter, 1.0mm thickness

Warranty: 1 year for electric parts/5 Years for the full system /15 Years for the vacuum tube

pre-heating solar water heater,copper coil solar water heater Remark:

1. Diameter of the tank: 460mm ;470mm; 480mm;500mm;520mm

2. Insulation thickness: 50~80mm

3. Coil connection: 1/2" ; 3/4"

4. Electric heater connection: 1" ,1 1/4", 47mm

5.Cold water inlet/hot water outlet: 1/2" ; 3/4"

6. Installation angel: 15~52 degree