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transit time 30 days. 10 unites
this is a excellent system grade a+ life is 20-25 years we do not sell gray market or second market solar equipment
Non-pressurized Solar Water Heater
works 24 / 7 day or night. even on cloudy/ rainy / snow days
average water temperature 170-212f
system will work 24/7. save 70-85% on heating water cost. some system can also heat your home
Use the free energy of the sun to heat your water
It is believed that 25-40% of domestic energy is used to heat water.
Approximately 80% radiation is turned into heat energy.
A study conducted by National Renewable Energy Laboratory (NREL) concluded that homes with solar water heaters sell 20% faster and for 17% more money
Solar energy creates absolutely no pollution
Federal tax credits help lower upfront cost, and there are often local incentives that also help offset part of the initial investment
As the use of renewable energy continues to grow, the value of your home may increase as well, as more buyers seek out energy-efficient houses. A higher perceived value translates to a higher asking price when you are ready to sell your home.
Water Storage Tank
Material of out tank High quality Painted steel/ Stainless steel.
Material of inner tank Food grade SUS304-2B stainless steel.
Tank insulating layer Imported polyurethane can conserve the heat for maximum 72 hours
Inlet and outlet hole Male G 1/2
Tank size 420,460,470,475,480,500mm or Customer demand
Welding: Argon arc welding
Tube structure All-glass double deck co-axial structure
Glass material High borosilicate 3.3 glass
Outer tube dia. & thickness Ø58±0.7mm; Glass thickness 1.6±0.15mm
Inner tube dia.& thickness Ø47±0.7mm; Glass thickness 1.6±0.15mm
Tube size 58*1800mm
Absorptive coating property
Structure AL/AL-ALN(H)/AL-ALN(L)/ALN or Cu/SS-ALN(H)/SS-ALN(L)/ALN
Sediment method Single target or Three targets - magnetron sputtering plating
Specific absorption 0.90-0.93(AM1.5) / 0.93-0.96(AM1.5)
Emission ratio 0.05-0.075(800C±50C) / 0.04-0.06(800C±50C)
Solar irradiation for obtaining a preset water temperature
Φ=58 H≤4.7MJ/m² / H=4.1-4.4MJ/m² / H=3.7-4.2MJ/m²
Vacuum tightness 5.0×10¯³ Pa
Idle sunning property parameters 220-260 m².C/KW / 260-300 m².C/KW
Average heat loss coefficient ULT=0.6~0.7W/(M2.0C) / ULT=0.4~0.6W/(M2.0C)
Resistant Hail ≤25mm
1. Inner tank: SUS304-2B stainless steel
2. Outer tank: Color steel/Stainless steel
3. Insulation: Polyurethane
4. Frame: 1.5 mm Galvanized steel
1. Beautiful appearance, steady structure, higher grads.
2. Inner and outside water tank shell all are welded by argon arc.
3. The tubes and frame are adjustable, power bearing is average, and can assure the vacuum tubes to use long time.