Vacuum tube solar water heater how much a piece
It depends on where you buy, whether it is the original manufacturer or you buy brand-name, whether the size and type of vacuum tube heat pipe can affect the price.
Tube to be relatively expensive, and then look at the size of your glass tube, length and whether the heat pipe. Price between 100-500.
Vacuum tube solar water heater: how much a piece of 30-50 yuan, the diameter of 47 and 58, the length is 1.6 meters and 1.8 meters
