galvanized steel compact Non-pressurized Solar Water Heater(18 Tubes)

1.galvanized Non-pressurized Solar Water Heater 2.5 years guarantee,15 years lifetime. 3.Competitive price and good quality Features: This type is a compact non-pressurized system. It is the natural circulation system that works on a light absorption principle. The solar collector converts solar energy into thermal energy, then heat the water step by step. The temperature within the cylinder allows the natural water circulation to operate, transferring the heat water to the top of cylinder and heating the cold water at the bottom at the same time.  

Technical specification
Material of inner tank	Food grade SUS 304 2 B stainless steel, thickness:0.41mm
Material of housing tank	powder coated steel  , thickness:0.35mm
Insulation of tank	55mm high-density import polyurethane foamed
Frame	galvanized steel 1.5mm
Electrical heater	Backup heater 110V/220V 2000W/2500W(optional)
Fittings	304 stainless steel screw
Vacuum tubes details
Vacuum tubes	3.3 Borosilicate glass double wall Absorb layer: AL-N/AL or AL-N/SS/CU (optional) Absorb rate >93%

 

Note:

1.2% spares parts free of charge

2. OEM is available

3. Packing: Quality export carton.

4. Min order: 1X20GP

5. Payment terms: 30% prepaid, the rest money be paid before delivery.

6. Delivery time: >10 containers 18 days, 10~20 containers 25 days

galvanized steel compact Non-pressurized Solar Water Heater(18 Tubes)