Yale 4700LN B-AU4708LN 626 classroom door lock
Grade 1 cylindrical lockset with classroom function and 3-hour fire rating
- Product typeDoor Hardware & Components
- Design style4700LN Augusta
- ANSI/BHMA Grade 1 certified for heavy-duty commercial use
- Classroom function allows outside lever to be locked by key while inside remains free
- 3-hour UL/cUL fire rating maintains door integrity during emergencies
- ADA-compliant lever design ensures accessible operation for all users
- Heavy-gauge steel construction with SFIC compatibility for flexible keying
Classroom Function Lever Lockset
This cylindrical lockset is built for classroom doors that must stay locked from the outside while allowing free egress from inside. Heavy-gauge steel construction meets ANSI/BHMA A 156.2 Grade 1 for high-traffic commercial use. The dull chrome 626 finish resists wear in institutional environments. It fits doors 1-3/8 to 1-3/4 inches thick with a 2-3/4 inch backset.
Upgrade From Residential Or Light-Duty Hardware
Switching to this Grade 1 lockset is warranted when a building moves from light residential traffic to daily student or staff flow. The three-hour fire rating and UL/cUL listing satisfy code requirements that lighter locks cannot meet. SFIC core compatibility lets a facility standardise on one key system across multiple openings. ADA-compliant lever operation removes the barrier posed by knob hardware.
Standard Cylindrical Prep With Strike Included
Installation follows the common 2-3/4 inch backset and 3-1/2 inch rose dimensions, so existing door prep often matches without new boring. The supplied 2-1/4 by 4-7/8 inch strike aligns with standard metal-frame cut-outs. The most frequent issue is overlooking the less-cylinder designation — the lock ships without an SFIC core, so one must be sourced separately. Verify door thickness and handing before mounting to avoid rework.
How it compares
Measured against everything we stock in Door Lock Sets & Deadbolts, at today’s prices. Recalculated every night.
- Price $215.99
- Pricier than about 84% of the 2,145 comparable items (median $55.99).
Specifications
| Product | |
|---|---|
| Brand name | ASSA ABLOY ACCENTRA |
| Product type | Door Hardware & Components |
| Design style | 4700LN Augusta |
Questions about this item
What backset and door thickness does the 4700LN classroom lock require?
The lock fits a 2-3/4 in. backset and doors 1-3/8 to 1-3/4 in. thick.
How is the 4700LN lock installed and what step is often missed?
Install the cylindrical chassis into the 2-1/4 x 4-7/8 in. strike prep, then secure the rose; the SFIC cylinder must be inserted and tested for classroom function before final tightening.
When will the SFIC cylinder in this 4700LN lock need replacement?
Replace the SFIC cylinder when key wear causes binding or when rekeying is required; the Grade 1 steel chassis and 3-hour fire rating remain valid after cylinder swap.
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