58mm tri-element super heat pipe evacuated tube

Description

Feature: 1. Perfect combination of the vacuum tube and the heat pipe. 2. higher heat efficiency: advanced heat transferring style of the heat pipe, excellent selective absorb coating and perfect combination with high vacuum heat preservation; 3. wide applicable range: as the heat pipe has less heat capacity, it can be started quickly even under cloudy fine day and collect heat effectively. It can work normally even **0 below degree. As no water in the vacuum tube, it can effectively prevent lowing of heat efficiency due to frost cracking or scaling; 4. each individual tube can work independently, and the whole machine can still work if individual tube is damaged. The service life of the heat pipe can be longer than *5 years; 5. the unique connection between the heat pipe and the vacuum tube can ensure both sealing and replace of damaged glass vacuum tube. Specification: Tube: tri-element vacuum tube, optional tube thickness for warm and freeze climate. Heat pipe: *9.*3% pure Copper Stopper: silicone rubber + aluminum washer, or cork + aluminum washer Package: carton (*5pcs/carton)