Product Name: ETC Non-pressurized Solar Water Heater
Outer Tank: Φ460/470 mm,SS or PPGI 0.31/0.41 mm or by order
Inner Tank: Φ360 mm, SS 304-2B,0.31/0.41/0.5 mm or by order
Inlet&Outlet Pipe: SS 304
Insulation Thickness: 50/55 mm
Electric Water Heater: 1.5/2.0 KW
Max. Working Pressure: 0.6 Mpa
Solar Vacuum Tube: 92% absorption, 8% emission, 240 degree stagnation temperature
Frame: Galvanized or SS 1.2/1.5 mm by order

Shandong Zentek Energy and Technology Co., Ltd is one of the reliable factory and suppler for solar vacuum tube, heat pipe solar vacuum tube, heat pipe solar collector, solar water heater and parts for SWH over 12 years. We have the world class full range of automatic lines for solar thermal products from glass tube to solar water heater.

Our none pressurized solar water heater is widely used for house and project as well. Right now, we have 20000 units capacity per month and can produce from 100-300L. All our material is real thickness to make sure the good quality, also, none welding technology can warranty for long lifespan as well, especially in the bad water quality area.
Right now, our none pressurized solar water heater have exported to Mexico, Vietnam, India, East of Europe, South Africa, Middle East and so on. Our target is to be the number one supplier in the world for the solar water heater and we will do our best to leading the quality and service in the market.

The following videos are for your reference:
Inner Tank Production Line:
Outer Tank Production Line:
Solar Water Heater Production Line:
Solar Water Heater Production Line with Spanish: