Pressurized solar water heaters (compact)
1. Heat pipes are installed inside the vacuum tubes. Without water flow inside, the tube will not be broken or blocked by scales, which is safer and more reliable.

2. Operate automatically with pressure inside the system, so water is supplied under a pressure with more comfortableness for bathing. Its installation site is free from limitation.

3. This machine is equipped with auto. Auxiliary heating system, offering hot water safely even in cloudy or rainy days.

4. Breakage of one tube will not influence the operation of the whole system.

5. Inner tank is made of SUS316L, more anti-corrosive and longer in lifespan.

6 The unique T/P safe valve will keep it safer in operation.

Type  Area(m₂)  Capacity
(Liter)  Vacuum tube  Gross Weight
(full of water)
     Diameter (mm)  Length
(mm)  Qty
(PCS)  
HDR-18TT21  2.81m₂  230L  58  2100  18  370
HDR-20TT21  3.13m₂  230L  58  2100  20  395
HDR-24TT21  3.77m₂  270L  58  2100  24  455
HDR-28TT21  4.40m₂  310L  58  2100  28  510

Note:
1. This series has two structures of supports, the flat and ridged types, to meet the demands of users under different roofs.
2.33° And 50° Supports for flat roof, and 45° For ridged roof