STI products
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Add to Cart The item has been addedSTI STI-6100 Break Glass Stopper Small
Break glass stopper designed for small emergency keyboxes in fire safety and access control installations
- Secures emergency keys in STI-6720 small keybox while keeping them visible for rapid retrieval.
- Deters unauthorized access without blocking immediate key retrieval during fire or emergency events.
- Compatible exclusively with STI-6720; replacement glass kit KIT-672 available for continued service.
Usually Ships in 2-3 Weeks Free shipping over $499$54.05 $53.99 Save $0.06 -
Save $0.86
Add to Cart The item has been addedSTI STI-3551 Wireless Entry Alert Sensor
Wireless entry alert sensor designed for retrofit and new access control installations where you need door monitoring without dedicated control
- Wireless communication eliminates dedicated control wiring runs to each entry point.
- 9VDC wired power input supports mixed hardwired and wireless installation topologies.
- Retrofit-ready design suits door frame or strike mounting in constrained cable environments.
Usually Ships in 2-3 Weeks Free shipping over $499$31.85 $30.99 Save $0.86 -
Save $0.40
Add to Cart The item has been addedSTI Wireless Entry Alert® Chime with Receiver - STI-3360
Wireless chime receiver designed to extend audible notification from existing hardwired doorbell systems
- Extends doorbell notification up to 500 ft line-of-sight at 433 MHz with no new wiring.
- Plugs into any 120 VAC outlet for rapid retrofit in offices, warehouses, or access zones.
- Distinguishes front-door (ding-dong) from secondary-door (ding) events at the receiver.
Usually Ships in 2-3 Weeks Free shipping over $499$68.39 $67.99 Save $0.40 -
Save $0.17
Add to Cart The item has been addedSTI STI-3353 Wireless Chime Receiver
Wireless chime receiver designed to integrate audible and visual notification into distributed access control deployments
- Wireless signal reception eliminates hardwired alert runs between doors and receivers.
- Runs on 9VDC dedicated supply, keeping power requirements simple and consistent.
- Pairs with STI wireless door control family for audible and visual entry alerts.
Usually Ships in 2-3 Weeks Free shipping over $499$42.16 $41.99 Save $0.17 -
Save $0.10
Add to Cart The item has been addedSTI Wireless Doorbell Chime with Receiver - STI-3350
Wireless chime receiver that retrofits existing hardwired doorbell systems without requiring new wiring to the monitoring station
- Receives doorbell signals up to 500 ft line-of-sight via 433 MHz certified RF.
- Retrofits existing hardwired doorbell systems with zero rewiring required.
- Plugs into any standard 120 VAC outlet for immediate wireless notification.
Usually Ships in 2-3 Weeks Free shipping over $499$71.09 $70.99 Save $0.10 -
Save $0.83
Add to Cart The item has been addedSTI Weather Stopper® without Horn with Spacer No - STI-3150NR
Polycarbonate protective enclosure for manual fire pull stations designed to block accidental or intentional false activations while preserving
- Polycarbonate enclosure blocks accidental pull station activations without restricting emergency access.
- No-horn design avoids audio duplication where the panel or separate module already handles alerting.
- Closed-cell gasket seals the frame across –40°F to 250°F, supporting indoor and outdoor environments.
Usually Ships in 2-3 Weeks Free shipping over $499$118.82 $117.99 Save $0.83 -
Save $0.83
Add to Cart The item has been addedSTI STI-3150 Weather Stopper Electromagnetic Strike
9VDC weather-sealed electromagnetic strike with integrated spacer
- IP54-rated housing withstands outdoor and semi-protected installations
- Integrated spacer and fire label pre-installed, ready to mount
- 9VDC operation works with standard access control relay outputs
Usually Ships in 2-3 Weeks Free shipping over $499$118.82 $117.99 Save $0.83 -
Save $0.10
Add to Cart The item has been addedSTI 3104 Clear Conduit Spacer
Clear conduit spacer assembly designed to mount over STI Stopper II series electric strikes
- Polycarbonate frame with integrated gaskets seals cable entries against moisture ingress.
- Sized specifically for Stopper II series strikes; prevents mismatch with larger outdoor covers.
- Unused cable holes accept gasket inserts, keeping 9VDC strike circuits dry and corrosion-free.
Usually Ships in 2-3 Weeks Free shipping over $499$42.09 $41.99 Save $0.10 -
Save $0.65
Add to Cart The item has been addedSTI STI-3100 Clear Conduit Spacer for Stopper II
Clear conduit spacer for STI Stopper II strikes at 9VDC
- Transparent design lets you verify striker alignment before final installation
- Maintains consistent spacing to prevent electrical contact issues and solenoid chatter
- Routes through standard electrical conduit for clean multi-door deployments
Usually Ships in 2-3 Weeks Free shipping over $499$25.64 $24.99 Save $0.65 -
Save $0.15
Add to Cart The item has been addedSTI Weather Gasket for Stopper II® and Weather - STI-3002
Weather gasket engineered to seal the installation point of Stopper II and Weather Stopper series electric strikes in outdoor and semi-exposed door
- Blocks moisture ingress at the strike mount, protecting solenoids and terminals from corrosion.
- Direct fit for Stopper II and Weather Stopper series electric strikes rated for outdoor use.
- Purely mechanical install—no electrical work required; retrofits existing strike assemblies easily.
Usually Ships in 2-3 Weeks Free shipping over $499$11.14 $10.99 Save $0.15 -
Save $0.38
Add to Cart The item has been addedSTI Universal Stopper® Low Profile without Horn - STI-14200NC
Low-profile Universal Stopper protective housing for surface-mount intercom stations, emergency buttons, numeric keypads, and fire alarm pull stations
- Heavy-gauge polycarbonate housing protects surface-mount devices indoors and outdoors.
- Operates at 24VDC, integrating directly with standard access control and intercom infrastructure.
- Universal fit covers fire alarm pull stations, keypads, intercoms, and emergency buttons.
Usually Ships in 2-3 Weeks Free shipping over $499$71.37 $70.99 Save $0.38 -
Save $0.50
Add to Cart The item has been addedSTI Universal Stopper® Low Profile without Horn - STI-14000NC
Low-profile, flush-mount protective housing for door entry intercoms and access control stations
- UV-stabilized polycarbonate dome shields intercoms and keypads indoors and outdoors.
- Runs directly on 24VDC, eliminating separate power conditioning in standard deployments.
- Hinged clear cover with mechanical latch enables fast access while maintaining protection.
Usually Ships in 2-3 Weeks Free shipping over $499$53.49 $52.99 Save $0.50 -
Save $0.52
Add to Cart The item has been addedSTI 13220NR Stopper Horn
Surface-mounted universal stopper combining physical button actuation with integrated audible notification
- Operates at 24VDC with integrated 105dB horn for immediate audible tamper alerts.
- UV-stabilized polycarbonate housing suits indoor and outdoor surface-mount installs.
- Accepts ¾-inch rigid conduit top and bottom; ADA-compliant low-profile form factor.
Usually Ships in 2-3 Weeks Free shipping over $499$153.51 $152.99 Save $0.52 -
Save $0.25
Add to Cart The item has been addedSTI STI-1285 Backplate for STI-9705 and STI-9708
Specialized backplate designed to provide a secure mounting point and power interface for specific STI devices
- Mounts STI-9705 and STI-9708 strikes to wood or metal door frames reliably.
- Maintains precise mechanical alignment and electrical contact for 9VDC operation.
- Model-specific fit prevents misalignment and power delivery failures at install.
Usually Ships in 2-3 Weeks Free shipping over $499$29.24 $28.99 Save $0.25 -
Save $0.02
Add to Cart The item has been addedSTI Stopper® Dome for Strobe Only with Enclosed - STI-1229-HAZ
Protective dome assembly for STI strobe appliances, rated NEMA 4X for outdoor deployment
- NEMA 4X rating supports outdoor and wet-location strobe deployments.
- Enclosed back box shields rear strobe components from weather and vandalism.
- Compatible with AMSECO SL24W-153075 colored lens kits at 22% optical transmission.
Usually Ships in 2-3 Weeks Free shipping over $499$124.01 $123.99 Save $0.02 -
Save $22.76
Add to Cart The item has been addedSTI Dome Horn/Speaker/Strobe - STI-1215
Protective dome assembly designed to guard horn, speaker, and strobe warning appliances in flush-mount installations
- NEMA 4 rated dome protects flush-mount horns, speakers, and strobes outdoors.
- Compatible with AMSECO SL24W-153075 horn/strobe series and colored lens variants.
- Includes rawl plugs, gaskets, mounting screws, and washers for complete installation.
Usually Ships in 2-3 Weeks Free shipping over $499$58.75 $35.99 Save $22.76 -
Save $25.22
Add to Cart The item has been addedSTI STI-1210D Horn/Strobe Enclosure
NEMA 4X protective cage for horn/strobe devices in high-traffic areas
- Open-back box design allows rear-access wiring and device swaps without cage removal
- NEMA 4X stainless construction resists corrosion, salt spray, and washdown environments
- 24VDC operation integrates directly into standard fire and life safety alarm circuits
Usually Ships in 2-3 Weeks Free shipping over $499$67.21 $41.99 Save $25.22 -
Save $33.85
Add to Cart The item has been addedSTI STI-1210A Horn/Strobe
Horn/strobe alarm with impact guard for outdoor access control
- 24VDC powered horn and strobe in single unit for credential readers
- Damage Stopper® guard protects against physical impact and vandalism
- NEMA 4X rated 4" enclosed back box for harsh outdoor environments
Usually Ships in 2-3 Weeks Free shipping over $499$86.84 $52.99 Save $33.85 -
Save $0.19
Add to Cart The item has been addedSTI Stopper II 4" Deep Back Box - STI-1200A
4-inch-deep enclosed back box designed to mount and protect UL-listed fire alarm initiating devices (38 and 2017 standards) in outdoor and
- NEMA 3R steel enclosure resists rain, sleet, and ice for outdoor/unheated deployments.
- 4-inch deep back box accommodates standard wiring and conduit behind UL 38/UL 2017 devices.
- ADA-compliant design with UV-stabilized polycarbonate cover maintains label visibility long-term.
Usually Ships in 2-3 Weeks Free shipping over $499$205.18 $204.99 Save $0.19 -
Save $0.92
Add to Cart The item has been addedSTI Stopper II® with Horn and Spacer - STI-1155NR
Polycarbonate protective cover assembly rated for both indoor and outdoor installation
- UL-listed for indoor and outdoor deployment on standard manual pull stations.
- Integrated 9VDC piezo horn alerts when cover is lifted, powered by included battery.
- Included spacer handles variable mounting depths; no-label surface accepts custom ID.
Usually Ships in 2-3 Weeks Free shipping over $499$171.91 $170.99 Save $0.92
