Your Guide to Purchasing Locksets | Discount Door Hardware

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Basic Lockset Function Guide – Storeroom or Classroom?

Choosing the correct lock function is vital in maintaining the balance between convenience, functionality, life safety and security. This article explains some of the more common lockset functions.

Note: In this article we have used the words “knob” and “lever” interchangeably, as the same principles apply to both.

Dummy

Knob is mounted on one side of a door to match other locksets.

There is no inside knob and there is no latching or locking capability. Only some models and styles offer a dummy option. Typical uses for dummy knob sets may include closet doors in homes or offices. In these cases, magnetic catches or roller catches are used to keep the doors closed.

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Passage Function

Latch bolt is activated by the lever from either side.

The passage function is available for both commercial and residential applications. Typical uses for passage door knob and lever sets may include closets, stairwell doors in apartment buildings and common area doors in homes. Passage sets, accompanied by deadbolt locks, may also be used on suite entry doors in apartments or condos and on exterior doors leading from house to garage and the rear doors of commercial units.

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Privacy Function

Latch bolt is activated by the lever from either side, except when the inside push-button locks the outside lever. The push-button is released by turning the inside lever. The outside lever has provisions for emergency unlocking.

The privacy function is available for both commercial and residential locksets. Typical uses for privacy door knob & lever sets may include bathrooms, public washrooms, change rooms and master bedrooms.

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Storeroom Function

Latch bolt is activated by the inside knob or by a key in the outside knob. The outside knob is always rigid/fixed.

The storeroom function is available for commercial locksets but you likely will not find any residential grade locksets that offer a storeroom function feature. Typical uses for storeroom door knobs & lever sets may include public restrooms with limited access, storage closets, mechanical rooms and front entrance doors of small apartment buildings.

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Entry Function

Latch bolt is activated by the knob from either side, except when the inside push-button locks the outside knob. The push-button is released by key or by turning the inside knob. Another feature of this lock is that the push-button in the inside knob can be pushed and turned to lock the outside knob, for entry by key only. In this case, the outside knob remains locked until the push/turn-button is manually reset.

This is a very versatile function, as the lock can be left locked or unlocked as needed and it can function as a storeroom lock for periods of time. The entry function is available for both commercial and residential locksets. Typical uses for entry door knobs & lever sets may include commercial offices and home offices. This lockset may also be used on exterior doors for extra security, in conjunction with a deadbolt lock.

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Classroom Function

Latch bolt is activated by the lever from either side, except when the outside lever is locked by a key. The outside lever is locked or unlocked by key only.

The classroom function is available for commercial locksets but you likely will not find any residential grade locksets that offer a classroom function feature. Typical uses for classroom door knob and lever sets may include classrooms and public restrooms or factory doors with limited access at specific times of the day.

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Lock Installations Made Easy!

Discount Door Hardware.ca offers a Universal Door Lock Installation Kit and a growing selection of hand tools, drill bits and specialized accessories to facilitate door hardware installations for both homeowners and contractors!

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