Adams Rite Swinging Door Handle 4550

Swinging Door Handle 4550 

Housing: Aluminum casting is 1-3/8" wide x 7-1/2" long x 1" deep.

Attached to door stile by four #10 screws. 

Stop clearance: Lever housing projects 11/16" forward of cylinder

Backset centerline: Depending on height of door stop and width of door/jamb gap, it may be necessary to modify the stop to clear the housing. 

Function: Easy unlocking of any MS® deadbolt by approximately 3 lbs. downward force on a 3" lever. Lever is spring loaded to horizontal, relocks with upward motion. Indicator signals lock status. Can be installed in place of existing key cylinder or cylinder type thumbturn on inside of door. 

Lever: 3" long aluminum with end-return design offers comfortable grip to lock or unlock. 

Indicator: Words "LOCKED" in red letters or "OPEN" in black letters appear on white background when lock is thrown or retracted. Indicator is driven by lock bolt itself. 

Compatible Deadbolts: Any MS® pivoted bolt deadbolt including "Schoolhouse" versions can be fitted with the 4550: MS1850S, MS1950, MS1837, etc. Derivative units such as 1870, 1870HM or 1877 flushbolts (bolt into threshold) are also operable with the 4550 lever. 

Not compatible with MS+ 1890 latchlock  or with the 7/8" backset locks. 

Operation: Turn lever downward 90° to unlock. When  released, lever returns to horizontal. Turn lever upward 90° to relock. Key operation from outside is not affected. Clutching action prevents damage to internal components. 

Mfg.# 4550L130

Finish: 130 Clear Anodize