This replaces the “vapor generator” or “steam switch” on the Rowenta DG-980 Steam Generator iron, part # RS-DG0123. You will need a Torx T20 “tamper proof” bit to replace this switch.
Step 1: Remove these two screws:
Step 2: Remove the top handle:
Step 3: Lift the mechanical switch (black plastic) and you can replace the steam switch: