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solar water heater overpass CE, ISO9001-2008;, SRCC,Solar Keymark certification. - details see: https://www.machineto.com/un-pressurized-solar-water-heater-10214479

Un-pressurized solar water heater is the most popular solar water heater that with reliable quality and affordable proce.It uses using high effciency vacuum tubes and mature techoloy that makes it's life-span more than 15 years.Furthe more it suit for both flat inclined roof and most of the climate.

Details:

1.Reliable and efficient double-wall-glass evacuated tubes;

2.Outer tank material:powder coated galvanized steel sheet;

3.Inner tank material:0.4/0.5/0.6mm thickness SUS304 2B food grade stainless steel.

4.Frame material:1.5mm powder coated galvanized steel both for flat and inclined roof Angle:30/38/34

5.Superior heat preservation ensured by 50-65mm polyurethane foam insulation layer.

Technical specification
Material of inner tank	Food grade SUS 304 2 B stainless steel, thickness:0.5 mm
Material of out tank	SUS 304 BA stainless steel, thickness:0.31mm
Insulation of tank	55mm high-density import polyurethane foamed (advantage technology)
Frame	SUS 304 Stainless steel 1.5mm
Size of Inlet and Outlet	3/4” male
Welding	Argon arc machine with best technology
Max work pressure	0.5 bar
Fittings	304 stainless steel screw
Vacuum tubes details
Vacuum tubes	3.3 Borosilicate glass double wall Three high vacuum tube thickness of tubes:2.2mm
Guarantee	6 years

Remark:

1.2% spares parts free of charge.

2. Guarantee: solar water heater: 6 years; vacuum tubes: 10 years, water feeder: 1 year

3. Loading time: 45 days after received deposit.

4. Payment terms: T/T 30% prepaid as deposit, 70% against copy of B/L, L/C at sight.

5. Packing: Quality export carton.