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Quick Details

  • Type: Evacuated Tube
  • Pressure: Pressurized
  • Circulation Type: Indirect / Closed Loop (Active)
  • Heating System: Thermosyphon (Passive)
  • Connection Type: Heat Pipe Solar Collector
  • Installation: Both tile roof and flat roof
  • Housing Material: Aluminum alloy
  • Certification: CE, RoHS, Solar Keymark, En12975, SRCC, CE
  • Capacity: 300, 150L to 1000L available
  • Place of Origin: Zhejiang, China (Mainland)
  • Brand Name: Customer brand or Sunwe
  • Model Number: Split pressurized solar water heater
  • Water tank material (Inner): food grade SUS 304 2B
  • Manifold housing material: Aluminum alloy
  • Collector frame material: Aluminum alloy
  • Absorb tube: High performance three targar vacuum tube
  • Vacuum tube size: 58/1800

Packaging & Delivery

Packaging Details Pre-assembling packing with Export standard CARTON
Vacuum Tubes is plywood box for sample package.
Delivery Time 7 to 10 days


Solar water heaters( calentador de agua solar ) -- also called solar domestic hot water systems -- can be a cost-effective way to generate hot water for your home. They can be used in any climate, and the fuel they use -- sunshine -- is free.  


SunWe Solar are professional split and pressurized solar water heater, solar collector, solar water heater, domestic solar water heater, solar thermal hot water Manufacturer.


CE EN12975 KEYMARK Split Pressurized Solar Water Heater



CE EN12975 KEYMARK Split Pressurized Solar Water Heater General Info.:


The S01 solar system is combined with solar collector, pressurized storage tank, intelligent controller, solar station, expansion vessel, pipeline etc.

1. Collector: heat pipe, or U pipe collectors
2. Tank: pressurized tank, 100L-1000L
3. SR962, SR962 …solar working station.
4. SR868, SR868C8Q…temperature differential controller



CE EN12975 KEYMARK Split Pressurized Solar Water Heater Working principle:





Split Pressurized Solar Water Heater Characteristics:


1) Tank can be put anywhere of the house


2) Collector can be put on both tilted roof  and flat roof


3) Module design, harmony with the building perfectly


4) Intelligent control and automatic operation


5) Superior anti-freeze performance.




  CE EN12975 KEYMARK Split Pressurized Solar Water Heater Premium Solar Collector Specification:




Three-target Vacuum Tube Performance and Specification:

Tube structure

All-glass double deck co-axial structure

Glass material

High borosilicate 3.3 glass

Outer tube diameter and glass thickness

Ø58±0.7mm; Glass thickness 1.6±0.15mm

Inner tube diameter and glass thickness

Ø47±0.7mm; Glass thickness 1.6±0.15mm

Tube dimension



Coating material


Sediment method

Three Target magnetron sputtering plating


α =0.92~0.96 (AM1.5)

Emission ratio

Emission: ε=0.04~0.06(80°C±5°C)

Vacuum degree


Stagnation temperature

(temperature inside of empty evacuated tubes)

200~260 °C

Average heat loss

ULT 0.4~0.6 W/(m2 *°C)

Hail resistance

Ø25 mm



14mm Premium Heat Pipe Performance and Specification:

Heat pipe material

Oxygen free copper (TU1),Cu=Ag>99.99%(o2<16ppm)

Condenser dimensions

Top: Ø14mm *65mm,Body: Ø8*0.6mm.length:1750± 10mm


0.3mm/0.0098’’ thick sets of Aluminum fins,1630mm

Starting speed


Max. operation pressure


Max. testing pressure






Manifold Performance and Specification:

Manifold header pipe

TU2 copper

Manifold casing

Anodized aluminum alloy (6063-T5/T6)

Insulation layer

Compressed rock wool.



Bracket Performance and Specification:


Stronger galvanized steel structure / Aluminum ally

Suggested installation angle

Flat roof 15~700



Other Components Performance and Specification:

58 dia. Anti dust rubber ring

Cymene ethylene silicon rubber(110)

58 dia. White inner stopper of heat pipe

Cymene ethylene silicon rubber(110)

58 dia. Tube holder

Nylon 1013-(B)

58 dia. Tube holder cover

Nylon 1013-(B)

End cover for manifold

Nylon 1013-(B)

Left seal ring

Silicon rubber(110)




EN12975 KEYMARK Split Pressurized Solar Water Heater Water Tank Specification


Water Tank Performance and Specification:

Material of out tank

High quality Painted steel/ Stainless steel.

Material of inner tank

Food grade SUS304-2B stainless steel.

Tank insulating layer

with 45kg/m³ high-density polyurethane foamed

Out/inlet connection size(inch)

3/4inch, NPT

Copper coil connector size(inch)

1/2 inch NPT ( 3/4inch,1inch size optional, price different)

Rated pressure(Mpa)


Working pressure(Mpa)


Temp. Control(C)


Copper coils size(mm)


Heat exchanger material

Copper, stainless steel, optional

Free components:

Electric heater, Magnesium rod, T/P valve, Pressure reducing valve





SUNWE SOLAR, the leading solar collector manufacturer in CHINA,


With high quality and competitive price under standards of: SOLAR KEYMARK/EN-12975, SRCC, and CE &ISO.





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