The centre hook is below the latch and replaces a more common deadbolt for increased security. The Yale YS170 door lock is the range of door locks now sold and commonoly available from the Yale range and have superseded the older ranges no longer made and available.
eBay
Yale YS170 Split Spindle Kit for UPVC Door Handles Multipoint Locks Night Latch.
eBay
YALE YS170 Centre Keep This handed centre keep from Yale is designed to suit the YS170 range of multipoint locks. This handed centre keep from Yale is designed to suit the YS170 range of multipoint locks.
eBay
Job Lot of 3 Genuine Yale 170 Composite Door Gearbox / Centre Case 45mm Backset. Backset: 35mm. PZ Centres: 92 mm (distance from centre of spindle to centre of key). Centre Case : Latch & Hook.
eBay
These gearboxes can be used for both top or bottom hooks. Window & Door Seals. Window Hardware. Door Hardware. Window Handles. Door Handles. The team here has over 25 years experience in this industry, we have literally done it all.
eBay
YALE YS170 Hook Keep The Yale Y21652829 Hook Keep is designed to suit the YS170 range of multipoint locks. The Yale Y21652829 Hook Keep is designed to suit the YS170 range of multipoint locks. To suit Yale YS170 multipoint locks.
eBay
The Yale YS170 Doormaster case only suitable for use in repair of Yale YS170 Doormaster multipoint locks. It is supplied as a gearbox only and comes with a 2 year guarantee.
eBay
The Yale YS170 3 Hooks Wide Faceplate 45mm is part of Yale's new multipoint lock range, the YS170. It has a central hook-bolt for added security and the latch can easily be reversed by undoing the screw at the centre. To lock the door, you first lift the lever to engage the locking points then wind the key in anti-clockwise direction. Unlocking is is done by first turning the key in a clockwise direction and pushing the handle downwards. The Yale YS170 3 Hooks Wide Faceplate 45mm comes with a 20mm wide faceplate with square ends.
eBay