Sargent 815 LHR Exit Device Strike — 8900 Series Mortise Lock Exit Device, Black Finish
The Sargent 815 LHR is an open-back strike designed specifically for use with the Sargent 8900 Series mortise lock exit device. This strike is handed for a Left Hand Reverse (LHR) active door opening, making correct handing selection critical before ordering. The black finish provides a clean, consistent aesthetic on dark-finished frames and doors common in commercial and institutional applications.
The 8900 Series is Sargent's wide-stile mortise lock exit device for metal doors, delivering concealed latch engagement into a mortise-style strike in the frame — a configuration that offers higher security and a cleaner profile compared to rim-style devices. The 815 strike is the frame-side component that receives the anti-friction mortise latch bolt when the exit device is activated.
Key Benefits
- Correct handing: Specifically configured for LHR (Left Hand Reverse) active door openings — always verify door hand before specifying
- 8900 Series compatibility: Engineered to work with Sargent's wide-stile mortise lock exit device for metal doors
- Open-back strike design: Accommodates mortise latch bolt travel and allows field adjustment at the frame
- Black finish: Coordinates with dark-finished hollow metal frames in commercial and institutional settings
- Replacement-ready: A direct service part for existing 8900 Series installations requiring strike replacement
Applications
- Commercial hollow metal door frames with 8900 Series mortise exit devices
- Institutional and educational facilities requiring mortise-type panic hardware
- LHR active leaf of paired door openings
- Retrofit and replacement projects on existing Sargent 8900 Series installations
Handing Reference
Exit device strikes are handed. Left Hand Reverse (LHR) — also referenced as LHRB — describes a door that is hinged on the right side when viewed from the secure (interior) side, swinging away from the viewer. Always confirm the door hand from the secure side before ordering. Ordering the incorrect hand requires a full replacement of the strike.
About the Sargent 8900 Series
The Sargent 8900 Series is a mortise lock exit device within the Sargent 80 Series line — a comprehensive family of ANSI/BHMA A156.3 Grade 1 panic hardware. Mortise exit devices drive a latch bolt into a mortise strike recessed in the frame, providing concealed latching and enhanced security versus rim devices. The 8900 is designed for wide-stile metal doors and supports a full range of trim, electrical, and dogging options within the 80 Series platform.
Technical Details
| Feature | Details |
|---|---|
| Model | Sargent 815 |
| Compatible Device Series | Sargent 8900 Series mortise lock exit device |
| Strike Type | Open-back mortise strike |
| Handing | LHR — Left Hand Reverse (active door opening) |
| Finish | Black |
| Category | Exit Device Accessory / Replacement Strike |
| Device Type Compatibility | Wide-stile mortise lock exit device, metal doors |
Need a comparable mortise exit device strike from an alternative preferred line? DoorwaysPlus can quote compatible options from Sargent preferred-alternative brands including Corbin Russwin, Hager, and PDQ — contact our commercial hardware team for a comparison.
| Brand | Sargent |
| Exit Device Type | Mortise Exit Device |
| Series | Sargent - 80 Series, Sargent - 90 Series |
| Part Type | Open Back Strike |
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