10pcs/lot of copper heat pipe (40cm), for solar water heater, solar hot water heating wireless weather station; color weather station 3 sensors; weather station 3 channels Remark:in the winter

Remark:in the winter

Heat pipe: red copper TU1+water

Small equipment for automatic control

100 hPa (8

Sensor (backup): 2 x AA 1

10pcs/lot of copper heat pipe (40cm), for solar water heater, solar hot water heating wireless weather station; color weather station 3 sensors; weather station 3 channels Remark:in the winterDescription: It includes: 10 pcs of heat pipe for solar water heater 40cm length, 14mm diameter Parameter: Material: Copper Diameter: 14mm (Header) Pipe diameter: 8mm Length: 400mm(including header) Fit for the glass tube (500mm length) Application: insert into the glass tube of solar water heater for pressurized solar hot water heating system, as the heating transferring media.