What is the recommended water pressure for the ice maker?
A cold water supply with water pressure of between 30 and 120 psi (207 - 827 kPa) is required to operate the water dispenser and ice maker. If you have questions about your water pressure, call a licensed, qualified plumber.
From the official Whirlpool Refrigerator (Owners-Manual-230203) manual, page 4
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