Additionally, a pressure regulator and filter screen are highly recommended to stabilize the incoming water pressure and protect the delicate mechanisms of the autofill from sediment and debris. Once the water level lifts the float, the arm returns to its horizontal position, pressing the valve stem firmly against the seat to halt the water intake.
Automatic Pool Water Level Maintenance: How It Keeps Your Pool Perfect
Evaporation, wind, and splash-out can cause water levels to drop significantly, sometimes by an inch or more per day. The system typically includes a solenoid valve, which is an electrically controlled gate that opens and closes based on commands from the control unit.
As the water level decreases, the float loses buoyancy and the arm pivots, gradually turning the valve handle and allowing water to flow. It is essential to install a check valve to prevent contaminated pool water from flowing backward into the clean water supply, a critical health and safety measure.
Automatic Pool Water Level Maintenance: How It Keeps Your Pool Perfect
This allows you to set exact water levels, receive alerts for low water conditions, and even integrate the autofill with other pool equipment like pumps and heaters. More advanced systems utilize electronic pressure sensors that communicate with a control panel, offering greater precision and integration with other smart pool technologies.
More About How does a pool autofill work
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