Gold Member Since 2006
Audited Supplier
Zhejiang Shentai Solar Energy Co., Ltd.

Solar Water Heater, Solar Products, Solar Heater manufacturer / supplier in China, offering Compact High Pressurized Solar Water Heater (STH), Suntask 123 Solar Energy High Pressurized Solar Water Heater, Suntask CPC High Efficiency Pressurized Solar Water Heater and so on.

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Supplier Homepage Product Compact Pressure System Compact High Pressurized Solar Water Heater (STH)

Compact High Pressurized Solar Water Heater (STH)

FOB Price: US $308-659 / Set
Min. Order: 1 Set
Min. Order FOB Price
1 Set US $308-659/ Set
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Port: Shanghai, China
Production Capacity: 200, 000 Sets/Year
Payment Terms: L/C, T/T, Western Union

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Basic Info
  • Model NO.: STH
  • Structure: Compact Type
  • Interior Material: Stainless Steel
  • Composition: Tank Insulation
  • Vacuum Tubes: 58mm X 1.8m
  • Inner Tank: SUS304, 1.5 Mm
  • Heat Pipe Condenser: SUS316L Stainless Steel
  • Inlet /Outlet: 3/4"
  • Warranty: 3 Years
  • Trademark: Suntask / OEM
  • Specification: STH-150L, 200L, 300L
  • HS Code: 8419191000
  • Max. Capacity: >200L
  • Pressure: Pressurized
  • Collector Components: Glass Vacuum Tube
  • Certification: CE, ISO9001, CCC, En12976,Solar Keymark, Bid,Gmc
  • Outer Tank: PVDF, 0.4mm
  • Heat Pipe: Copper
  • Bracket: Galvanized Steel, 1.5mm
  • Working Pressure: 6 Bar
  • Capacity: 100L to 300L
  • Transport Package: Cartons /Wooden Pellet /Wooden Box
  • Origin: Zhejiang, China
Product Description
Compact Pressurized Solar Water Heater (STH)

Model: STH-150L, STH-200L, STH-300L
New Integrated Pressurized solar water heater: STH with 316L for blind tube
For our compact pressurized model STH we have special design: We use 316L material for blind tube instead of copper caecus tube, because for copper blind pipe after some period with the high temperature and high pressure, or in the water quality inferiority area, it will face corrosion and will happen blind pipe perforation phenomenon or blind pipe leakage. This new blind pipe is composed of 0.9 mm stainless steel 800 stamping with the red copper gasket.
Compact High Pressurized Solar Water Heater (STH)

1. Slope roof and flat roof avaliable.
2. Looks more beautiful.
3. Inlet and Outlet hole at the back of the tank, any angel of roof is suitable.
4. Electric heater on the tank cover(side)
5. SUS316L stainless steel heat pipe condenser
Compact High Pressurized Solar Water Heater (STH)

Material of storage tank
Outer tank: PVDF, 0.4mm thick
Inner Tank: SUS304, 1.5 mm thick
Insulation Polyurethane foam, 50 mm
Working pressure: 7Bar
Daily efficiency: ≥55% (≥42% in winter)
Working temperature :60°C ~ -35°C
Vacuum tube specifications: 58mm*1800mm
Lifetime:15 years

1. Highly efficient absorber of high performance with daily average efficiency over 50%;
2. Start up quickly, heat pipe transfer the heat energy into the storage tank in one direction.
3. Withstand pressure of 6 Bar, can be connected directly with city water.
4. No water inside the evacuated tubes; The solar water heater can still in service even with several tubes breakage;
5. Highly efficient insulation with polyurethane foam;
6. Simple structure, easy to assembly and install, diffuse flat plate reflector can be assembled easily with its module structure;
7. Can be used all year round in the cold climate;
8. Can be used together with Auxiliary electric boost;
9. Long service life, can be used as long as 15 years.

Detailed data for Compact High Pressurized Solar Water Heater (STH):

Storage Tank
Inner TankSUS304-2B food grade stainless steel
Inner Tank Thickness1.5mm
Outer TankPVDF 0.4mm which is good at anti corrosion
Insulating LayerPolyurethance Foam 50mm
Inlet/outlet 3/4"
Vacuum Tube
Material of the glass tubeBorosilicate glass
Absorptive Coating GradeALN/AIN-SS/CU
Length of Outer Tube1800mm
Length of Inner Tube1755mm
Outer Tube Diameter58mm
Inner Tube Diameter47mm
Glass Thickness1.6mm
Distance between two tubes75mm
Tube holderUV stabilized nylon
SealsSilicon seal
Thermal Expension3.3*10-6/º C
Absorption coefcient95± 1 %
Thermal emsision coefcient5 ± 1 %
VacuumP≤ 5.0*10-3 Pa
Stagnation Temperature>200° C
Average heat loss<0.8w/ m2. ° C
Maximum strength0.8Mpa
Resist hailstoneΦ 25mm
Resist wind30m/s
Heat Pipe
MaterialTU1 copper
Condenser materialSUS316L
DiameterCondenser dia. 14mm, body dia. 8mm
Contact sheetsAluminum fin
Support Frame
MaterialGalvanized Steel
Working pressure6Bar
Daily efficiency≥ 55% (≥ 42% in winter)
Working temperature60° C ~ -35° C
Lifetime15 years
Spare TubesWe suggest you buy some tubes for backup
Electric Heater1500W /2000W
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