Solar hot water heating system
1. Model name:
STH-120L

STH-150L

STH-200L
STH-240L
STH-300L
2. Tube specification:
58mm*1800mm*12

58mm*1800mm*15

58mm*1800mm*20
58mm*1800mm*24
58mm*1800mm*30
3. Tube coating: Heat pipe
4. Absorber area: 1.95sqm 3.12sqm 3.91sqm
5. Tank capacity:

120L
150L

200L
240L
300L

Advantages:
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.

Specifications:
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