Advantage principle of glass tube heater
First, the structure is simple: it consists of an electrode coated with an electric heating film and two metal rings, which is the simplest structure among all the heaters.
Second, the processing process is simple: it is only necessary to apply a heating material on the surface of the glass tube and then perform sintering. The process is small, the processing process is simple, and it is suitable for mass production.
Third, the cost is low: the cost of the glass tube heating body is low, the cost of a glass tube is about 2-3 yuan, and the coating cost is about 1 yuan/root. This is why some glass tube-type electric water heater brands can promise customers free and free replacement of the liner.