Hard water with large amounts of dissolved minerals and salts can cause the formation of gas bubbles inside the system. These bubbles can be effectively managed by an air release valve installed it a suitable point in the system. Gas expansion can, in fact, stop the fluid from discharging correctly.
If the
air release valve is not present or if it is not operating correctly, you will find that radiators become only half-warm radiators. The presence of important gas bubbles are, in fact, most noted in these devices. There is also an integrated version of the air release valve, located in a tap that can be applied directly to each radiator.
The operating principle of air release valves is based on a float which, in the presence of gas accumulation, opens a passage until the water balances the system again and closes the passage. The internal parts are made of plastic material that can float and which is also heat-resistant.
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