1. CE, Rohs certificate; 2. over 10 years manufacturer; 3. 5 years warranty for vacuum tubes; 4. easy installation.

 Features:1. High Efficient:Excellent selective absorbent coating and perfect combination with high vacuum heat preservation.2. All Weather Hot Water Supply: Can be backed up with auxiliary electrical heating device,supplying enough hot water in bad weather days.3. Easy Operation: It can supply water automatically, you can take it easy and enjoy good time.4. Energy Saving and Environment Friendly:Taking advange of solar energy,free of charge and no pollution

5. Stable and reliable performance and well wind resistance.6. Dual-purpose brackets for both flat and inclined roof7. Multifunction: Bathing, washing, domestic heating etc.

If the solar water heater works with the following spare parts, it will be better!

A. Controller----It can controll the water level, displays temperature, back-up controlls electric heater.

B. Assistant tank----It can supply cold water into the tank automatically.

C. Electric heater----It provides the assistant heating during the too many rainy days and snowy winter days.

 

  Technical Data

 

Tube  structure		glass double-tube co-axial structure
Glass  material		Borosilicate 3.3glass
Outer tube diameter and glass thickness		Φ=58±0.7mm  &=1.6mm ±0.15mm Φ=70±0.7mm  &=2.0mm ±0.15mm
Inter tube diameter and glass thickness		Φ=58±0.7mm  &=1.6mm ±0.15mm Φ=70±0.7mm  &=2.0mm ±0.15mm
Tube length		1500mm,1600mm, 1800mm,1900mm ,2000mm , 2100mm
Absorber coating	Coating material	Cu/SS-ALN(H)/SS-AIN(L)
	Sediment method	Three Targets magnetron sputtering plating
	Absorptivity	a:0.93~0.96(AM1.5)
	Emittance	ε≤6.0% (80°C±5°C)
Vacuum degree		P ≤5.0×10-3 Pa
Transmittance of glass tube		T ≥0.89(AM1.5 ISO9806-1:1994)
Stagnation parameter		Y:240~260 m²°C/kw
Average heat loss		ULT≤0.6W/(m²*°C)
Hail resistance		Φ25 mm
Pressure-endure		0.6 Mpa