10pcs of copper heat pipe (140cm), for solar water heater, solar hot water heating Description:It includes: 10 pcs of heat pipe for solar water heater 1400mm length, 14mm diameterParameter:Material: CopperDiameter: 14mm (Header)Pipe diameter: 8mmLength: 1400mm(including header)Fit for the glass tube (1500 mm length)Application: insert into the glass tube of solar water heater for pressurized ...