Product Description

SYSTEM DESCRIPTION     
VISION VNS-SA series non-pressure solar water heater incorporates a number of all-glass vacuum tubes, an atmospheric water tank, the supporting bracket and accessories.
The vacuum tube for VISION non-pressure solar water heater could be single-target tubes, three-target tubes, and super heat tubes.
MAIN FEATURES       
The most economical solar water heating system
Adaptable with most kinds of solar vacuum tubes
Rely on hydraulic pressure for hot water supply
Compatible with electric or gas heating devices
Auto working with a controller or feeder tank
The system is mostly installed on house roof
Working all year round even in cold climate
SPECIFICATION             
Tank capacity: *0; *0; **0; **0; **0; **0; **0; **0; **0 Liter
Tube quantity:  8;  *0;  *2;   *5;   *8;   *0;   *4;  *0;  *6 Pcs
Tube type: Single-target tube; Three-target tube; Super heat tube
Absorber coating: Single-target AL/AL-ALN; Three-target Cu/SS-ALN
Inner tank material: Food-grade stainless steel SUS****2B or SUS**6L
Tank insulation: High-density PU foam with *0 hour heat preservation
Outer tank material: Food-grade stainless SUS****2B or SUS***-BA
Bracket material: Shaped strong aluminum alloy
Accessories: Solar controller; assistant tank; 
electric heater; magnesium anode
Tilt angle: *5°; *8°; *5°
Hail Resistance: *5MM
Working life: *0 years