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Pre-heating Solar water heater
Pre-heating Solar water heater

Pre-heating Solar Water Heater .Competitive price and good quality .Certification:CCC,CE,ISO9001

Pre-heating solar water heatr features

1.Use the copper coil as the heat exchanger, according to international fashion trend, it is simple to install and use

2.It takes the advantage of the tap water pressure, it is easy to operature and install

3.The water can be heated rapidly, so it can produce the high quality hot water

4.The water come from the copper coil, so it is clean and drinkable

Pre-heating solar water heater working principle

1.One copper coil is installed inside the tank as the heat exchanger

2.When water flows into the copper coil, it absorbs the heat of the water in the tank via the copper coil

3.Therefore the water tank is just as heat storage tank  

Copper coil heat exchanger solar water heater


Pre-heating solar water heater

Material of out tank

0.31-0.4mm thickness color steel/ fluorine carbon steel

Material of inner tank

Food grade 0.31-0.4mm thickness SUS304 stainless steel

Tank insulating layer

55mm 45kg/m³ high-density polyurethane foamed

Inlet and outlet hole

Male G 1/2, 3/4

Max pressure

0.05 Mpa

Solar collector tube

3.3 Borosilicate glass with N/Al coating

Thickness of glass tube


Vacuum tube tightness

P≤0.005 Pa



Emission ratio


Idle sunning property parameters


Average heat loss coefficient



1.5mm thickness Galvanized Steel

Structure of tank:

5 holes for air vent,overflow,water inlet and outlet,electric heater


Argon arc welding

Fastening pieces:

Made of stainless steel screw

Absorber area

2.812 m²

Tube quantity

30 tube   58x1,800mm

Tank capacity


Copper coil exchanger length

32m length

Pre-heating Solar water heater

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