G.C. Number 47 415 05
Case removal
Open control door, slide the glass facia upwards and locate it in the 'pull-out' retaining catch.
Remove the controls front cover by pulling forward at the bottom, then lifting to disengage from the upper fixing lugs.
Release the bottom captive screws (A). Push in the retaining catch and slide the glass facia back down to its working position. Release the top captive screws (B), lift the casing off the boiler & place it safely to one side.