SOLAR THERMAL NATURAL CIRCULATION with copper heat exchanger

Solar panel with natural circulation not in pressure exchanger

copper heat under pressure (copper coil).
The following solar panel has a copper coil inside
the boiler that allows to heat the water by exchange
heat with the water accumulated in the tank.

Principle of Operation
They operate on a simple principle: Capture
the energy that comes from the Sun to the glass tubes under vacuum and use it to
produce hot water. The operating temperature can be up
in addition to 90 ° C. The heat exchange with the water in the tank works for
natural circulation.
The warranty and 5 + 2 years on the manifold and all its parts. With regard to
the vacuum tube warranty is covered for 15 years

PLEASE ALWAYS ASK AVAILABILITY 'BEFORE MAKING PURCHASES !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!