P2000 Active single point lock (SPL) 45/92 Gearbox
The Single Point Lock (SPL) has a deadbolt and spring latch only - It is NOT a Multipoint lock (MPL)

This mortise Lock case will replace the active gearbox on Amesbury MPL with the same size and configuration. Amesbury has 3 different locks - compare information

Cylinder Type: American
Backset: 1-3/4 inch (45mm)
Handle PZ: 3-5/8 inch ( 92mm)
Deadbolt Throw: 1 Inch (25.4mm)
Faceplate Width: 25/32" (20mm) ( removable for MPL replacement )
Faceplate Markings: LF2200

To Change Handing / Latch Reversal:
1. Extend the Deadbolt and pull the spring latch out
2. Rotate to correct position
3. Check the function of the lock before closing the door

Installation Note:
The T-20 torx Star bit screws require 12-13 pounds of torque