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The FUHR door lock options for double opening French doors allows complete flexibility to suit the requirements of the installation.
Most popular French Door Option:
856V and 856
The passive leaf is locked into the frame by shootbolts, while the master leaf has hook locks to engage in the keeps on the false mullion as well as shootbolts locking into the frame.
Master French Door:
Passive French Door:
Keeps and underplates are then required, top and bottom.
Passive Door Options:
Other variants are available for the passive and master doors, These options are displayed in the adjacent images, see the information below for the corresponding products.
Option 1:
Finger Operated Shoot Bolt (2 required)
Finger Operated Strikers (profile specific)
Option 2:
Handle height Min: 860mm Max: 1020mm
Option 3:
Handle height Min: 740mm Max: 990mm
Option 4:
Handle height Min: 620mm Max: 990mm
Option 5:
Handle height Min: 910mm Max: 1070mm
Option 6:
Backset
The backset is the dimension from the front of the faceplate to the centre of the handle spindle or cylinder hole.
The most popular backset sizes are 25mm, 30mm, 35mm and 45mm.
The backset dimension is the distance between A and B on the diagram.
PZ Centre
The "PZ" or "Centre" is the distance between the centre of the handle spindle and the centre of the round section of the cylinder.
The PZ Centre dimension is the dimension between C and D on the diagram.
Multipoint locks can have one or two spindle holes (also known as followers) these type of locks will have two measurements, the most popular being 62mm / 92mm.
Most modern locks with one spindle are 92mm centre, however some older locks may be 70mm or 72mm.
On most FUHR locks, to change the handing you remove the small grub screw on the side of the lock case adjacent to the latch plate with a 2mm allen key.
Remove the latch and turn in it 180º vertically, place it back into the opening and secure the grub screw back in place.
The FUHR 871 and FUHR 881 door locks are supplied handed, this cannot be changed, so please ensure you order the correct handing for the application.
Step 1 Unscrew and remove the 3 screws as shown in the video
Step 2 Remove the lockcase
Step 3 Clip the replacement lockcase in place
Step 4 Replace the 3 screws
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