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Split spindle upvc door lock.
Pera upvc door lock gearbox can only be used in single spindle mode can be opened from inside and outside and split spindle cannot be opened from the outside operation.
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If you are unable to access the property then it is likely that this upvc door lock has a split spindle operation.
Therefore only known key holders can enter the property once the door is closed even without dead locking the system.
This feature is sometimes referred to as a dual spindle operation and also a night latch function.
Pros if you pull door to from inside it locks on the latch so no one can follow you in or if you forget to lift handle and turn the key on way out it is locked on the latch.
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I have done some research and just need some.
The spindle allows the external handle of the door to operate the lock mechanism however it prevents the latch operating unless you use the door cylinder key.
Please see technical drawing third image to confirm measurements of the back set.
This means that the outside handle does operate the latching bolt and therefore when the door is closed and the hook bolts have not been engaged and locked off with the key someone can walk up to the door push the handle down and open the door.
Changing upvc door lock from split to single spindle.
For more handy how to videos from door stop visit https.
Have not had much to do with multipoint door locks so looking for some guidance please.
The split spindle allows door locks with in built split spindle mechanisms to operate.
Cons if it slams shut behind you and you don t have keys you are locked out.
This handy how to video gives clear step by step instructions on how to install a split spindal.
This is visually the same as the lever handle with a lever handle inside and out the difference being the handles are independent of each other.
Access can only be gained from the outside by key even if the door is unlocked.
Discussion in windows and doors started by kbdiy 2 may 2013.