Replacing the gearbox is cost effective as it saves having to buy a complete new lock and it is quite easily achieved. Backset: 35mm. What should I check before ordering a new door lock gearbox case?.
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The Fuhr 856 Type 2 door lock is a one piece lever operated locking system with 5 locking points (2 roller cams, 2 mushrooms and a Deadbolt). The lever engages and releases the multiple locking points.
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Only when all locking points are fully engaged can the key be operated to secure the door. When the lock has not been secured by the key, the lever will release the roller cams and shoot bolt locking points.
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Tested to BS EN1303:2005/TS007:2014/BS3621/GV. Suitable for UPVC, timber and composite doors. ABS also holds the secured by design accreditation, the police preferred specification. Avocet ABS locks are clearly marked 'EXT' on the external side for easy fitting.
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Yale Millenco Mantis 1 Spindle Cam Follower.
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Fullex XL genuine gearbox lock with a 35mm backset and a Split spindle. Backset: 35mm(face of lock back to the centre of the keyhole). Case Width:Backset + 15mm. Operation: Split Spindle.
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Extra security for uPVC windows and doors - that's easy to fit! Easy to use - turn to lock/unlock.
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Sliding Patio Door Handles Non-Locking Dummy 154mm Fix XL Sparta Blank Pair Set UPVC. They are perfect when you have no cylinder lock and their purpose is simply to slide the door open or closed. To change the handing the handle can be unscrewed from the backplate and turned 180 °.
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