1.CE,ISO14001,ISO9001,SGS (CoC) certifications 2. 7 to 10 days delivery time 3.Three years warranty

Material of vacuum tube:single-target tubes

Inner tank: SUS304-2B food grade stainless steel

Outer tank: pearlescent ceramics plate 

Heat insulating layer: imported polyurethane

Frame: galvanized steel, ant oxidation

Inner tank 0.4mm

Outer tank: 0.4mm

The thickness of heat insulating layer:  50 mm

Frame: 1.5mm

Pressure: 0.4 Mpa

Heat preservation: 72hours

Hail resistance: 25mm

Warranty:

solar water heater: 3 years

Vacuum tube:  5 years

Working temperance: 90Celsius degree

Cold resistance: -30Celsius degree

The package: standard carton

Use: home appliances

Certificate:CE,ISO9001,ISO14001 ,SGS (CoC)