Solar vacuum tubes used in domestic solar water heaters are divided into 37, 47, 58 and 70mm according to the diameter of the tube. According to the length, it is divided into 1.2, 1.5, 1.6, 1.8, 2.1 and 2.3 meters. The most commonly used is the 47×1500 vacuum tube. Therefore, there are many specifications regarding solar vacuum tubes. When choosing, you should choose according to the normal needs of your home.
How to Read Solar Vacuum Tube Specifications
Introduction How to check the specifications of solar vacuum tubes? Solar vacuum tubes used in solar water heaters used at home are divided into 37, 47, 58 and 70mm according to the diameter of the tube. Divided into 1 according to length.