Working principle of compact pressure solar water heater

The compact pressure solar water heater system is a kind of close-circulation system, hot water come out with pressure by cold water in with pressure, no air-holes inside the tanks.

Using heat pipe sets to transfer the energy, which sealed with the tank with sepcial design copper rings strongly.

Fitted with safety valve and air-vent valve as protection sets, also can be fitted with electric heaters as backup, so better should be fitted with controller for users.

Without any water pumps.

Can be installed everywhere there are sunshine more.