Unplug the washer from its power source and turn off the water running to the washer.
Loosen the screws on the sides of the Fisher & Paykel washing machine control panel. Lift the panel from the washing machine.
Locate the cold water inlet valve on the far left-hand side of the washer. Use a wrench to loosen the nut around the neck of the valve.
Remove the valve from the washing machine.
Place the new cold water valve into place and tighten the nut around its neck. Put the control panel over the top of the machine and screw it in.