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  • Save $332.23
    STI Heater Field Replacement Kit for STI-1200A-HTR - STI-HK3
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    STI STI-HK3

    STI Heater Field Replacement Kit for STI-1200A-HTR - STI-HK3

    Heater field replacement kit designed for heated electric strike systems

    • Restores heater function in STI-1200A-HTR strikes without full assembly replacement.
    • Operates at 9VDC, matching standard access control power supply outputs.
    • Field-replaceable design minimizes installation downtime during cold-weather maintenance.
    Usually Ships in 2-3 Weeks Free shipping over $499
    $851.22 $518.99 Save $332.23
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  • Save $0.98
    STI STI-9767 Wall Mount Horn Strobe Protective Cage
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    STI STI-9767

    STI STI-9767 Horn/Strobe Damage Stopper L Series Wall Mount

    Wall-mounted protective cage designed to shield horn and strobe alarm signaling devices from vandalism and accidental damage

    • Wall-mounted horn and strobe damage stopper cage
    • 9-gauge steel wire with corrosion-resistant finish
    • Shields signaling devices from vandalism and accidental impact
    Usually Ships in 2-3 Weeks Free shipping over $499
    $58.97 $57.99 Save $0.98
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  • Save $0.28
    STI STI-9765 Horn/Strobe Damage Stopper L Series Wall Mount
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    STI STI-9765

    STI STI-9765 Horn/Strobe Damage Stopper L Series Wall Mount

    Wall-mount protective barrier for STI L Series horn and strobe units

    • Wall-mount horn and strobe damage stopper - 9-gauge steel wire
    • Corrosion-resistant finish for indoor and protected outdoor placement
    • Compact 1.9 x 4.6 x 1.1 in form factor for tight wall placements
    Usually Ships in 2-3 Weeks Free shipping over $499
    $59.27 $58.99 Save $0.28
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  • Save $0.83
    STI STI-9754 Horn/Strobe/Speaker Damage Stopper Wall Mount
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    STI STI-9754

    STI STI-9754 Horn/Strobe/Speaker Damage Stopper Wall Mount

    Wall-mounted protection for horns, strobes, and speakers

    • Corrosion-resistant steel wire cage shields horns, strobes, and speakers from damage.
    • UL-listed under UL464, UL1480, and UL1638; meets CAN/ULC-S525, S526, and S541.
    • Tool-free removal enables routine maintenance without circuit or wiring modifications.
    Usually Ships in 2-3 Weeks Free shipping over $499
    $55.82 $54.99 Save $0.83
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  • Save $18.58
    STI STI-9750 Horn/Strobe/Speaker Damage Stopper Ceiling Mount (view 2)
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    STI STI-9750

    STI STI-9750 Horn/Strobe/Speaker Damage Stopper Ceiling Mount

    Ceiling mount lock/strike protects horns, strobes, and speakers from damage

    • Gauge-9 steel wire with polyester coating resists corrosion in interior commercial environments.
    • Protects ceiling-mounted horns, strobes, and speakers from vandalism and accidental impact.
    • Compatible with Edwards GC and Kidde EGC notification devices; no device modification required.
    Usually Ships in 2-3 Weeks Free shipping over $499
    $49.57 $30.99 Save $18.58
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  • Save $0.01
    STI STI-9741 Exit Sign Damage Stopper Ceiling Mount
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    STI STI-9741

    STI STI-9741 Exit Sign Damage Stopper Ceiling Mount

    Ceiling-mounted protective cage designed to shield exit signs from accidental or intentional impact damage in commercial and institutional buildings

    • Gauge-9 welded steel wire cage shields ceiling-mounted exit signs from impact and vandalism.
    • 13.5" × 10.5" × 2.75" envelope covers most standard exit sign models without replacement.
    • Supplied anchors and fasteners enable straightforward installation with drill and screwdriver.
    Usually Ships in 2-3 Weeks Free shipping over $499
    $96.00 $95.99 Save $0.01
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  • Save $0.18
    STI STI-9706 Beam Smoke Damage Stopper Flush Mount Controller (view 2)
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    STI STI-9706

    STI STI-9706 Beam Smoke Damage Stopper Flush Mount Controller

    Flush mount controller for STI beam smoke detection systems

    • Fits standard electrical boxes via flush mount using four H19020 clamps and #10 screws.
    • Compatible with STI and System Sensor beam units for multi-zone smoke detection layouts.
    • Center cutout measures 5.50" × 4.00"; overall unit is 9.62" × 10.32" for planning.
    Usually Ships in 2-3 Weeks Free shipping over $499
    $74.17 $73.99 Save $0.18
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  • Save $0.40
    STI STI-9619 Motion Detector Damage Stopper Corner Mount (view 3)
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    STI STI-9619

    STI STI-9619 Motion Detector Damage Stopper Corner Mount

    Corner mount impact protection for motion detectors in high-traffic areas

    • Gauge 9 steel wire cage shields corner-mounted PIR detectors from impact and vandalism.
    • Polyester-resistant coating prevents corrosion in demanding indoor environments.
    • Tool-free cage removal allows fast detector maintenance without wiring changes.
    Usually Ships in 2-3 Weeks Free shipping over $499
    $52.39 $51.99 Save $0.40
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  • Save $0.96
    STI STI-9618 Motion Detector Damage Stopper Corner Mount (view 2)
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    STI STI-9618

    STI STI-9618 Motion Detector Damage Stopper Corner Mount

    Corner mount damage stopper for STI motion detectors in high-traffic areas

    • 9-gauge steel wire with polyester coating resists corrosion and physical impact.
    • Corner-mount design installs tool-free without modifying the protected detector.
    • Cage removes easily for detector maintenance without full disassembly or downtime.
    Usually Ships in 2-3 Weeks Free shipping over $499
    $32.95 $31.99 Save $0.96
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  • Save $0.99
    STI STI-9609 Steel Web Stopper High Profile Flush Mount (view 2)
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    STI STI-9609

    STI STI-9609 Steel Web Stopper High Profile Flush Mount

    Steel flush mount strike for severe-abuse door security in commercial settings

    • 9-gauge steel octagonal web design withstands severe impact and vandalism.
    • Flush mount high-profile strike installs without system-level modifications.
    • Rated −40°F to 212°F, supporting controlled-access use across institutional environments.
    Usually Ships in 2-3 Weeks Free shipping over $499
    $46.98 $45.99 Save $0.99
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  • Save $0.26
    STI STI-9601-SS Steel Web Stopper Low Profile Flush Mount Controller
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    STI STI-9601-SS

    STI STI-9601-SS Low Profile Flush Mount Controller

    Stainless steel flush-mount controller shields smoke detectors from tampering

    • Stainless steel enclosure resists corrosion in humid, chemical, or coastal environments.
    • Flush-mount, low-profile design fits existing detector holes with no rewiring required.
    • Patented cage blocks direct detector access, deterring tampering without tools to remove.
    Usually Ships in 2-3 Weeks Free shipping over $499
    $82.25 $81.99 Save $0.26
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  • Save $0.19
    STI STI-9102 Small Thermostat Protector Flush Mount with Lock
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    STI STI-9102

    STI STI-9102 Small Thermostat Protector Flush Mount with Lock

    Flush-mount thermostat lock for controlled HVAC access in commercial buildings

    • Keyed lock blocks unauthorized thermostat adjustments in tenant and public zones.
    • Flush-mount polycarbonate housing installs directly to drywall using supplied fasteners.
    • Air circulation holes maintain accurate sensor readings without disrupting HVAC operation.
    Usually Ships in 2-3 Weeks Free shipping over $499
    $28.18 $27.99 Save $0.19
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  • Save $27.51
    STI STI-8200-W Smoke Detector Damage Stopper®, Flush Mount - White Coated Steel
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    STI STI-8200-W

    STI Smoke Detector Damage Stopper® Flush Mount - - STI-8200-W

    Flush-mount protective cage constructed from 16-gauge white coated cold-rolled steel designed to shield smoke detectors from physical damage and

    • 16-gauge cold-rolled steel cage resists physical damage and tampering in high-vandalism sites.
    • Perforated matrix blocks pencil-sized intrusions while allowing full smoke reach to detector.
    • Tool-free flush or surface mount over existing detectors; four-point fastening for quick access.
    Usually Ships in 2-3 Weeks Free shipping over $499
    $70.50 $42.99 Save $27.51
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  • Save $39.41
    STI STI-8200-SS Smoke Detector Damage Stopper®, Flush Mount - Stainless Steel
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    STI STI-8200-SS

    STI Smoke Detector Damage Stopper® Flush Mount - - STI-8200-SS

    Flush-mount protective cage built from 18-gauge (1.2mm) stainless steel, designed to shield smoke detectors from vandalism and misuse without

    • 18-gauge stainless steel construction resists corrosion in harsh or food-service environments.
    • Perforated cage slots block pencil access, meeting correctional and healthcare tamper standards.
    • 4-point flush mount installs over existing detectors using basic hand tools—no wiring required.
    Usually Ships in 2-3 Weeks Free shipping over $499
    $103.40 $63.99 Save $39.41
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  • Save $14.31
    STI STI-8100-W Smoke Detector Damage Stopper Flush Mount White
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    STI STI-8100-W

    STI Smoke Detector Damage Stopper® - Flush Mount - STI-8100-W

    Flush-mount polycarbonate protective enclosure designed to shield smoke detectors from accidental or intentional damage in commercial and

    • Flush-mount polycarbonate enclosure protects smoke detectors from physical damage.
    • Slot openings prevent pencil-sized obstructions while preserving airflow and optics.
    • White finish blends with standard ceilings; ships with tamper-resistant fasteners.
    Usually Ships in 2-3 Weeks Free shipping over $499
    $37.30 $22.99 Save $14.31
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  • Save $14.31
    STI STI-8100-BK Smoke Detector Damage Stopper Flush Mount
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    STI STI-8100-BK

    STI STI-8100-BK Smoke Detector Damage Stopper Flush Mount

    Flush-mount smoke detector enclosure with TCP/IP monitoring for secure access environments

    • TCP/IP-enabled remote monitoring integrates with building management and security systems
    • Flush mount design fits standard smoke detector installations without surface protrusion
    • Tamper-resistant fasteners included; simple installation and removal for maintenance access
    Usually Ships in 2-3 Weeks Free shipping over $499
    $37.30 $22.99 Save $14.31
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  • Save $0.75
    STI Polycarbonate Enclosure with Open Back Box for Flush Mount Appl...
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    STI STI-7510C

    STI Polycarbonate Enclosure with Open Back Box for Flush Mount Appl...

    Polycarbonate flush-mount enclosure for electronic lock integration

    • Open back box design for quick wiring to access control hardware
    • Compatible with STI lock and strike assemblies for secure mounting
    • Works in new construction and retrofit installations on standard frames
    Usually Ships in 2-3 Weeks Free shipping over $499
    $81.74 $80.99 Save $0.75
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  • STI STI-6931-W Call Point Stopper White Surface Mount (view 2)
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    STI STI-6931-W

    STI STI-6931-W Call Point Stopper White Surface Mount

    Surface mount call point with NFC credential authentication for access control

    • HID proximity reader operates on NFC/13.56MHz for seamless credential verification
    • Compact 6 x 1.5 inch white housing mounts directly to walls and frames
    • Single endpoint combines call point activation with credential-based access authentication
    Usually Ships in 2-3 Weeks Free shipping over $499
    $76.99
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  • STI STI-6931 Call Point Stopper Surface Mount Lock
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    STI STI-6931

    STI STI-6931 Call Point Stopper Surface Mount Lock

    Surface mount strike for access control & secure entry doors

    • Clear polycarbonate housing allows visual switch confirmation without removing the cover.
    • Surface mounts to any wall via two 5mm masonry holes using included rawl plugs and screws.
    • Hinged stainless steel torsion spring keeps cover closed, blocking accidental switch activation.
    Usually Ships in 2-3 Weeks Free shipping over $499
    $71.99
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  • Save $0.03
    STI Custom Green Replacement Horn Kit for - STI-6602-CG
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    STI STI-6602-CG

    STI Custom Green Replacement Horn Kit for - STI-6602-CG

    Direct replacement horn component for STI-13000 universal stopper access control systems

    • Drops into STI-13000 strike assemblies without replacing the full unit.
    • Runs on 9VDC from existing control circuit—no extra power supply needed.
    • Green color-coding speeds field ID when stocking multiple replacement kits.
    Usually Ships in 2-3 Weeks Free shipping over $499
    $64.02 $63.99 Save $0.03
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