Function: 1. Adopt solid stainless steel flange laser welding, clean welding and no water leakage 2. Solid material, long service life and trouble-free pouring 3. 1.0mm thick stainless steel tube, not easy to deform for a long time 4. High thermal efficiency, stable performance and simple structure 5. Suitable for solar energy, air energy and engineering water tanks, etc. Specification: Item Type: Heat Pipe Material: stainless steel, brass Working Voltage: 380V Power: 9KW Length: 360mm Tube Diameter: Approx. 10 mm / 0.4 inch Leakage current: <0.5mA Thread Diameter: DN40 (47mm/1.9in) Scope of application: solar energy, air energy, engineering water reservoirs, etc. Package List: 1 x heating pipe 1 x rubber pad Note: It is forbidden to drain and dry. Do not place the heating pipe in a dry place for a long time.