The Pressure Requirements for Operating a Refrigerator Ice Maker
You need to take into account your home's water pressure when you install a new refrigerator with an ice and water dispenser. The pressure requirements for an ice maker are largely the same, regardless of the refrigerator's manufacturer. A variety of problems can occur if water pressure is too low or too high.
Recommended Pressure
The ice maker needs a water pressure of between 30 and 120 pounds per square inch (psi) to work correctly. You may experience problems operating the ice maker if the pressure is too high or low. See below for more information.
Water Filters
Refrigerators with an internal or external filter need a slightly higher minimum water pressure; manufacturers recommend between 40 and 120 psi for the best performance. Disconnecting the filter may help if your water pressure is slightly too low.
Low Pressure
Low water pressure is associated with several refrigerator problems, including misshapen ice cubes and low flow rate from the water dispenser. Pumps and other devices are available to boost water pressure.
High Pressure
High water pressure may result in sputtering from the water dispenser nozzle, water leaks and problems making ice cubes. Pressure regulators or pressure reducing valves help reduce problematic high water pressure.
References
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