This feature is sometimes referred to as a dual spindle operation and also a night latch function.
Split spindle upvc door lock.
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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.
Access can only be gained from the outside by key even if the door is unlocked.
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.
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I have done some research and just need some.
Please see technical drawing third image to confirm measurements of the back set.
This handy how to video gives clear step by step instructions on how to install a split spindal.
Around half of multipoint locked doors have a solid spindle operation on the outside handle.
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.
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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.
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Have not had much to do with multipoint door locks so looking for some guidance please.
Changing upvc door lock from split to single spindle.
Therefore only known key holders can enter the property once the door is closed even without dead locking the system.
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8 jan 2013 messages.
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.
Cons if it slams shut behind you and you don t have keys you are locked out.