What is the difference between high pressure and low pressure solar geyser?

The Pressure model (also called high pressure solar heaters) means, water in the tank are under high pressure, it’s equal to the pressure of tap water.

calentador de agua solar para piscina

Non-pressure model (also called low pressure solar heaters) means, water in the tank is under low pressure, and is equal to the gravity of the water.

 

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