The Yale YS170 Doormaster lock is designed to provide robust security for your property overnight while you await the arrival of a replacement multipoint lock.
This lock comes with a unique adjustable keep and screws for easy installation and adjustment.
Operation: The lock can be operated using either a lift lever or a split spindle mechanism.
Latch Reversal: To reverse the latch, simply undo the screw in the latch to remove it. Reverse the latch, reinsert it, and replace the screw to secure it back in place.
Nightlatch Reversal: To reverse the nightlatch function, first throw the locking points and locate the square hole on the side of the case adjacent to the latch. One side will feature a green colored part, indicating the inside of the lock.
