Step1: Disconnect power supply and shut off the incoming water line to ensure safety.
Step2: Remove the front or rear access panel to locate the existing inlet valve.
Step3: Disconnect electrical connectors and water tubing from the old valve carefully.
Step4: Unscrew and remove the faulty solenoid valve from its mounting bracket.
Step5: Position the new valve and secure it firmly using the original screws.
Step6: Reattach water lines and electrical connectors, ensuring tight, leak-free connections.
Step7: Restore water and power, then test the unit for proper water flow.