Description
Solar water heater spare tube (vacuum tube) for non pressurized solar water heaters. This is a universal solar water heater replacement/ spare tube. It measures about 58mm in diameter and 1800mm in length. Inside the outer glass tube is a smaller inner tube, creating a vacuum space between them which helps to retain heat. It is a high-efficiency solar heating component and can be used to replace broken solar water heater tube or a corroded
