The locks have been upgraded over the years but you should be able to find a suitable replacement. The FERCO mechanism is now Stamped GU on the front but the lock still fits just the same. All ferco lock are universally handed and fit either a left handed or right handed door. If your require a Ferco lock for a timber door instead of a UPVC door please contact us for details.
The Ferco 635 replaces the Ferco 235, Ferco 335, Ferco 435 and the Ferco 635:
The Ferco 528 replaces the Ferco 028, Ferco 328, Ferco 435 and the Ferco 528
Handles for to suit Ferco Doors are available here