Sell BY-A420/47-85L

BY-A420/47-85L
Taking off reflector, increasing the evacuated tube length and tube density. This feature is to reduce the wind resistance, avoid aging of reflector, decrease the solid granule and light pollution. It also helps to ease off snow accumulation during winter season. For a similar tank volume, by increasing tubes length and their densities. It can achieve a better heat absorbance.
Three options of tank volume can meet different customers in different weather condition.
Brand Name
Bangyuan
Condition of Goods
New
Model Number
15,16,18,20,24tube
Minimum Order Quantity
sample is acceptable