STI products
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Add to Cart The item has been addedSTI 14510FR Low Profile Enclosed Back Box
Low-profile intercom, flush or surface mount, 24VDC, IP56 weather rated
- Compact dome design fits tight spaces without projecting from wall surface
- Enclosed back box shields wiring and connections from weather and impact
- 24VDC operation integrates directly into access control and intercom systems
Usually Ships in 2-3 Weeks Free shipping over $499$151.72 $150.99 Save $0.73 -
Save $0.43
Add to Cart The item has been addedSTI Universal Stopper® Low Profile Horn Enclosed - STI-14420FR
Low-profile protective stopper designed to shield emergency intercommunication devices, fire alarm stations, emergency buttons, keypads, and access
- Polycarbonate enclosure shields intercoms and access control gear from vandalism.
- Operates on 24VDC with integrated horn and optional relay output for signaling.
- Sealed back box with ¾-inch conduit knockouts supports interior and exterior installs.
Usually Ships in 2-3 Weeks Free shipping over $499$207.42 $206.99 Save $0.43 -
Save $0.73
Add to Cart The item has been addedSTI 14410FR Stopper Low Profile
Low-profile intercom stopper, 24VDC, enclosed box, horn-optional
- Compact dome mount fits door or wall without surface protrusion
- 24VDC operation integrates with standard access control infrastructure
- Enclosed back box design protects components, horn sold separately
Usually Ships in 2-3 Weeks Free shipping over $499$151.72 $150.99 Save $0.73 -
Save $0.15
Add to Cart The item has been addedSTI Universal Stopper® Low Profile without Horn - STI-14400NB
Low-profile polycarbonate protective housing engineered to shield intercoms, keypads, emergency buttons, and fire alarm stations from vandalism
- UV-stabilized polycarbonate housing protects intercoms and keypads indoors or outdoors.
- Runs on 24VDC, drawing from existing access control infrastructure—no separate supply needed.
- Low-profile ADA-compliant design suits retrofit installs where space and code compliance are critical.
Usually Ships in 2-3 Weeks Free shipping over $499$143.14 $142.99 Save $0.15 -
Save $0.09
Add to Cart The item has been addedSTI Universal Stopper® Low Profile without Horn - STI-14310FR
Low-profile dome-shaped protective enclosure for intercom stations, emergency buttons, and access control keypads
- Polycarbonate dome enclosure shields keypads and intercom stations from vandalism.
- Supports surface-mount and semi-recessed flush installation for flexible deployment.
- Threaded top/bottom ports accept 3/4-inch Sch 40 rigid conduit; operates at 24VDC.
Usually Ships in 2-3 Weeks Free shipping over $499$115.08 $114.99 Save $0.09 -
Save $0.38
Add to Cart The item has been addedSTI 14300NC Stopper Low Profile
Low-profile flush-mount intercom stopper for universal access systems
- 24VDC operation with included backplate for seamless flush installation
- IP56-rated dome design fits compact spaces without protruding
- Compatible with standard universal stopper intercom infrastructure
Usually Ships in 2-3 Weeks Free shipping over $499$71.37 $70.99 Save $0.38 -
Save $0.82
Add to Cart The item has been addedSTI 14220FR-FR Low Profile Horn
Low-profile TCP/IP intercom with horn speaker and fire rating
- Surface-mount design fits tight spaces at entry points and gates
- 24VDC operation with TCP/IP networking for access control systems
- Horn audio output with fire label for emergency communication areas
Usually Ships in 2-3 Weeks Free shipping over $499$144.81 $143.99 Save $0.82 -
Save $0.82
Add to Cart The item has been addedSTI Universal Stopper® Low Profile Horn Surface - STI-14220FR
Low-profile, surface-mount protective stopper unit designed to shield manual fire alarm stations, intercoms, emergency buttons, and access control
- Surface-mount install requires no cavity prep, reducing labor time on retrofits.
- Runs on 24V DC, integrating directly with standard access control and intercom systems.
- UV-stabilized polycarbonate dome protects fire alarm stations from vandalism and impact.
Usually Ships in 2-3 Weeks Free shipping over $499$144.81 $143.99 Save $0.82 -
Save $0.95
Add to Cart The item has been addedSTI 14210NB Low Profile Stopper
Low-profile surface-mount intercom, 24VDC, no horn
- Surface-mount installation fits standard walls without recessed cavities
- 24VDC operation integrates with existing access control infrastructure
- Low-profile design minimizes visual impact in commercial entry points
Usually Ships in 2-3 Weeks Free shipping over $499$91.94 $90.99 Save $0.95 -
Save $0.64
Add to Cart The item has been addedSTI 14210FR Low Profile Stopper
Low-profile surface mount intercom for secure entry, 24VDC, no horn
- Surface mount dome design fits tight spaces at entry points
- 24VDC operation integrates with existing access control systems
- IP56 rating handles indoor and covered outdoor installations
Usually Ships in 2-3 Weeks Free shipping over $499$86.63 $85.99 Save $0.64 -
Save $0.61
Add to Cart The item has been addedSTI 14200NY Low Profile Stopper
Low-profile surface-mount intercom stopper for 24VDC access control
- Surface-mount installation on door frames without recessed cavity needs
- 24VDC operation integrates into existing access control infrastructure
- Low-profile design maintains discreet appearance in security deployments
Usually Ships in 2-3 Weeks Free shipping over $499$81.60 $80.99 Save $0.61 -
Save $0.89
Add to Cart The item has been addedSTI STI-14200NR-Z003 Universal Stopper Fire Sprinkler Tool
Universal manual stopper tool for fire sprinkler system control
- Compatible with universal fire sprinkler head designs for standard installations
- Manual activation and stoppage control for emergency sprinkler management
- Lock/strike accessory type for integration into security system workflows
Usually Ships in 2-3 Weeks Free shipping over $499$236.88 $235.99 Save $0.89 -
Save $0.90
Add to Cart The item has been addedSTI Universal Stopper® Low Profile, Horn, Flush, Fire Label
Low-profile flush intercom with integrated horn and fire-rated label
- 24VDC operation with integrated horn for audible emergency alerts
- Flush-mount design fits doorway and access control installations
- Fire-rated label meets life-safety notification requirements
Usually Ships in 2-3 Weeks Free shipping over $499$125.89 $124.99 Save $0.90 -
Save $0.98
Add to Cart The item has been addedSTI 14020CR Stopper Low Profile Horn
Flush-mount intercom with integrated horn and custom labeling for access control
- 24VDC low-profile design fits compact mounting spaces in security systems
- Integrated horn operation for two-way communication without external amplifier
- Custom label support enables site-specific identification and wayfinding
Usually Ships in 2-3 Weeks Free shipping over $499$128.97 $127.99 Save $0.98 -
Save $0.09
Add to Cart The item has been addedSTI Universal Stopper® Low Profile without Horn - STI-14010NY
Low-profile, flush-mount protective enclosure designed to guard door intercoms, keypads, emergency buttons, and communication devices in both indoor
- Flush-mount polycarbonate enclosure protects intercoms and keypads in indoor/outdoor use.
- Runs on 24VDC with relay output supporting 12–24VDC switching logic for access control integration.
- No-horn, no-label configuration suits deployments where alarms are managed by separate system components.
Usually Ships in 2-3 Weeks Free shipping over $499$74.08 $73.99 Save $0.09 -
Save $0.69
Add to Cart The item has been addedSTI Universal Stopper® Low Profile without Horn - STI-14010FR
Low-profile, flush-mount protective stopper designed for fire-rated manual alarm stations, emergency intercommunication points, and access control
- Fire-rated label meets life-safety compliance for regulated facility deployments.
- Runs on 24VDC, integrating directly with standard access control power supplies.
- Horn-free design suits sites where audio is centrally managed or aesthetics are critical.
Usually Ships in 2-3 Weeks Free shipping over $499$67.68 $66.99 Save $0.69 -
Save $0.86
Add to Cart The item has been addedSTI Stopper Enclosed Back Box - STI-13520FR
Universal stopper intercom unit combining door retention with integrated horn and two-way communication capability
- Runs on 24VDC, integrating directly into standard access control panel infrastructure.
- Combines door retention, horn notification, and two-way audio at a single mount point.
- Enclosed back box shields terminals, reducing termination complexity during rough-in.
Usually Ships in 2-3 Weeks Free shipping over $499$219.85 $218.99 Save $0.86 -
Save $0.73
Add to Cart The item has been addedSTI 13510FR Stopper - Enclosed Back Box
24VDC intercom without horn, enclosed box, open mount dome profile
- Open mount design with dome low-profile option for standard access control frames
- Enclosed back box configuration rated IP56 for protected outdoor/indoor installations
- 24VDC operation integrates into existing door access and intercom systems
Usually Ships in 2-3 Weeks Free shipping over $499$151.72 $150.99 Save $0.73 -
Save $0.15
Add to Cart The item has been addedSTI Universal Stopper® without Horn Housing, Enclosed Back Box, Op...
24VDC intercom for entry gates and access points, no horn housing
- Enclosed back box design protects wiring and components at installation
- 24VDC powered operation integrates into standard access control systems
- IP54 rated for reliable performance in outdoor and semi-exposed locations
Usually Ships in 2-3 Weeks Free shipping over $499$143.14 $142.99 Save $0.15 -
Save $0.86
Add to Cart The item has been addedSTI 13420FR Stopper Horn
Intercom with integrated horn, 24VDC dome mount, weatherproof sealed box
- Dual communication and alarm—voice intercom paired with horn signaling
- IP56 weatherproof enclosure handles outdoor mounting in harsh conditions
- 24VDC powered; integrates directly with access control infrastructure
Usually Ships in 2-3 Weeks Free shipping over $499$219.85 $218.99 Save $0.86
