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Quick Details

  • Type: Evacuated Tube
  • Pressure: Pressurized
  • Circulation Type: Direct / Open Loop (Active)
  • Heating System: Thermosyphon (Passive)
  • Connection Type: Direct-Plug
  • Installation: slope roof, flat roof (25 degree), for slope and flat roof both
  • Housing Material: PVDF, colour steel, stainless steel
  • Certification: CE, SGS,CCC,ISO9001:2000
  • Capacity: 200, 100L, 150L, 200L, 240L, 300L, 360L
  • Place of Origin: Zhejiang, China (Mainland)
  • Brand Name: Shentai/Suntask
  • Model Number: STH
  • Tube: heat pipe
  • Outer tank: PVDF, colour steel
  • Inner tank: Stainless steel 1.5mm
  • Brand: Suntask or OEM

Packaging & Delivery

Packaging Details FCL: Standard exported carton
LCL: Standard exported carton+wooden pallet/box
Delivery Time 10 days

Solar hot water heating system
1. Model name:


2. Tube specification:


3. Tube coating: Heat pipe
4. Absorber area: 1.95sqm 3.12sqm 3.91sqm
5. Tank capacity:



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;

10). STH-L frame can be for slope roof and flat roof both.

1). Material of storage tank:
2). Outer tank: Colorful steel, 0.4mm thick
3). Inner Tank: Crystal liner 4mm, steel 1.5 mm
4). Thick Insulation: Polyurethane foam, 50 mm
5). Working pressure: 6Bar
6). Daily efficiency: ≥ 55% (≥ 42% in winter)
7). Working temperature: 60 Degree Celsius -35 Degree Celsius
8). Vacuum tube specifications: 58mm*1800mm
9). Lifetime: 15 years










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