FUHR Multi Point Gearbox 25mm Backset - Lift Lever
FUHR 856 Lift Lever Replacement Gearbox
The FUHR 856 Lift Lever Gearbox is a replacement centre gearbox for FUHR lever-operated multipoint door locks, commonly found on uPVC and aluminium doors.
Designed for lift-lever operation, the gearbox allows the multipoint locking points to be engaged by lifting the handle before the door is secured with the key.
Key Features & Dimensions
FUHR 856 lift lever operation
92 mm PZ centres
Available in various backsets
220 mm gearbox height
Gearbox width: backset/width + 18 mm
Latch and deadbolt: 31 mm high
61 mm between bottom of latch and top of deadbolt
3 gearbox-to-faceplate fixing screws
Top to middle fixing screw centres: 91 mm
Middle to bottom fixing screw centres: 108 mm
Reversible latch
Ball bearing and spring mechanism for a positive handle-operated action
Deadbolt throw: 25 mm and 30 mm backset versions have a 14 mm throw. Other standard versions have a 20 mm throw.
Latch Reversal
The latch can be reversed for left- or right-handed door applications. Undo the screw in the side of the lock case adjacent to the latch, remove the latch, rotate it to the required orientation, reinsert it and refit the screw.
Replacement Information
Please compare your existing gearbox carefully before ordering. Older FUHR gearboxes may have a 28 mm latch, while newer versions can use a 33 mm latch. Where suitable, an undamaged original latch may be transferred to the replacement gearbox.
Also take particular care with 30 mm gearboxes fitted to certain bifold doors, including some Smarts Aluminium applications, as these may not interchange with the standard FUHR 856 gearbox.
Positive Locking Action
FUHR gearboxes incorporate a pre-fitted ball bearing and spring. The ball bearing engages with a small notch in the internal sliding strip under spring tension, helping provide the characteristic positive feel during handle operation.
Please check the backset, PZ measurement, gearbox dimensions, latch configuration and fixing positions against your existing gearbox before ordering.
