Non-Pressure Vacuum Tube, XKGBSZ, Heat Pipe Vacuum Tube, Solar Collector

Specification:
Material of inner tank: SUS/304 imported food grade stainless steel
Material of outer tank: SUS304-BA stainless steel
Vacuum tube sizes: 47 x 1, 500mm, 58 x 1, 800mm
Capacity: 90L-324L
Heat insulating layer: 55mm machinery overall high pressure foamed polyurethane
Material of frame: Excellent zinc plating board
Hail resistance: 25mm
Heat preservation: 72 to 80 hours
Frame, vacuum tubes and tank are packed separately
Feature:
Optional function: Electrical heating system, you can use electrical stick to heat water in a rainy or a cloudy day
Optional accessory: Controller
We use seamless welding machine to produce inner tank which is rust-resistant
We also accept OEM orders and small orders
It is a ecnomical type, most family can afford it
It is easy to be installed