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DETAILS

STI-3551

Wireless Entry Alert® Sensor

  • Part of the 2015 Musical Wireless Chime Series
  • Additional transmitter and magnet to help monitor doors
  • Chime sounds when transmitter and magnet are separated
  • Ten selectable sounds (with the push of a button)
  • 64 dB – 88 dB at 1’. See decibel ratings in installation sheets for details

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KIT-GLR-BB-3

White GLR Backbox Kit with ½" NPT Plug
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KIT-GLR-BB-4

Blue GLR Backbox kit with ½” NPT Plug
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KIT-GLR-K10

Global ReSet Key 10 Pack
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KIT-GLR-K2

Global ReSet Key 2 Pack
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KIT-GLR-NPT-0

Red GLR ½” (12.7mm) NPT Plug
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KIT-GLR-NPT-1

Green GLR ½” (12.7mm) NPT Plug
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KIT-GLR-NPT-2

Yellow GLR ½” (12.7mm) NPT Plug
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KIT-GLR-NPT-3

White GLR ½” (12.7mm) NPT Plug
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KIT-GLR-NPT-4

Blue GLR ½” (12.7mm) NPT Plug
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KIT-GLR-S-EN

English GLR Shield Add-On Kit
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KIT-GLR-S-ES

Spanish GLR Shield Add-On Kit
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KIT-GLR-S-FR

French GLR Shield Add-On Kit
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KIT-H07503

Thumb Lock Assembly Kit
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KIT-H18019

Standoff Kit for Metal Protective Cabinets
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KIT-H18021

3/4" Rigid Conduit Hub
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KIT-H18050

Key Lock Assembly Kit
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KIT-H18053

Two Keys for Thermostat Protectors
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KIT-H18054

Additional Key # CH751
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KIT-H18061

Two Extra Keys for Stopper Station Key-to-Reset Switch
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KIT-H18062

Two Extra Keys for Stopper Station Key-to-Activate Switch
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KIT-H18075

Two Keys for Select-Alert alarm
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KIT-H18078

Two Keys for STI-6405
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KIT-H18086

Two Keys for KL544
Colors:
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KIT-H18090

High Security Lock Assembly with (2) keys for STI-7710 and STI-7730
Colors:
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KIT-H19015

Two 3/32” Allen Wrenches
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KIT-H19016

Two Tamper Wrenches
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KIT-H19020

Steel Clamps
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KIT-H19030

Two Replacement Keys
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KIT-H19032

Two Replacement Keys #2341
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KIT-HPSERIES2

Conduit Hole
Colors:
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KIT-IP57

Anchor Pack with Mount Tabs for STI-7520 and STI-7530 series
Colors:
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KIT-IP61

Anchor Pack for STI-1200A series
Colors:
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KIT-KEM1

Extra Key for KIT-KL1
Colors:
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KIT-KL1

Key-Lock Assembly
Colors:
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KIT-L16200

Warning "Door Alarmed" Label
Colors:
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KIT-LPK3

Louver Plate Vent EnviroArmour® enclosures
Colors:
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KIT-M02002

Clear Frame for Stopper II®
Colors:
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KIT-M05050-A

Translucent Amber Lens
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KIT-M05050-B

Translucent Blue Lens
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KIT-M05050-G

Translucent Green Lens
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KIT-M05050-R

Translucent Red Lens
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KIT-M05050-W

Translucent White Lens
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KIT-M05101-EN

Red Housing - Fire Label
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KIT-M05101-ES

Red Housing - Fire Label, Spanish
Colors:
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KIT-M05101-FR

Red Housing - Fire Label, French
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KIT-M05101CR

Red Housing - Custom Label
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KIT-M05101NR

Red Housing - No Label
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KIT-M05501-A

Select-Alert Replacement Lens, Amber
Colors:
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KIT-M05501-B

Select-Alert Replacement Lens, Blue
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KIT-M05501-C

Select-Alert Replacement Lens, Clear
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KIT-M05501-G

Select-Alert Replacement Lens, Green
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KIT-M05501-R

Select-Alert Replacement Lens, Red
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KIT-M05501-W

Select-Alert Replacement Lens, White
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KIT-M05603-A

Replacement Lens for SA5600 - Amber
Colors:
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KIT-M05603-B

Replacement Lens for SA5600 - Blue
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KIT-M05603-G

Replacement Lens for SA5600 - Green
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KIT-M05603-R

Replacement Lens for SA5600 - Red
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KIT-M05603-W

Replacement Lens for SA5600 - White
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KIT-M06540

Replacement Housing, Red, with standard fire label
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KIT-M06540-B

Replacement Housing, Blue
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KIT-M06540-CB

Replacement Housing, Custom, Blue
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KIT-M06540-CG

Replacement Housing, Custom, Green
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KIT-M06540-CK

Replacement Housing, Custom, Black
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KIT-M06540-CR

Replacement Housing, Custom, Red
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KIT-M06540-CW

Replacement Housing, Custom, White
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KIT-M06540-CY

Replacement Housing, Custom, Yellow
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KIT-M06540-G

Replacement Housing, Green
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KIT-M06540-K

Replacement Housing, Black
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KIT-M06540-R

Replacement Housing, Red
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KIT-M06540-W

Replacement Housing, White
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KIT-M06540-Y

Replacement Housing, Yellow
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KIT-M10197H

Replacement Contact Holder
Colors:
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KIT-M10271-B

Unnotched Replacement Shell
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KIT-M10271-BZA

Unnotched Replacement Shell - Custom Label
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KIT-M10271-EZA

Unnotched Replacement Shell - Custom Label
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KIT-M10271-G

Unnotched Replacement Shell
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KIT-M10271-GZA

Unnotched Replacement Shell - Custom Label
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KIT-M10271-R

Unnotched Replacement Shell
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KIT-M10271-RZA

Unnotched Replacement Shell - Custom Label
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KIT-M10271-W

Unnotched Replacement Shell
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KIT-M10271-WZA

Unnotched Replacement Shell - Custom Label
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KIT-M10271-Y

Unnotched Replacement Shell
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KIT-M10271-YZA

Unnotched Replacement Shell - Custom Label
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KIT-PRTPKT

Plastic Print Packet
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KIT-R04874

Back Plate Kit for STI-7520 or STI-7521 Series
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KIT-R08604

Replacement Filters for EnviroArmour® Enclosures
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Limited Quantity

KIT-REV60

Small Vent
Colors:
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Limited Quantity

KIT-REV80

Large Vent
Colors:
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KIT-RPK

Reset Replacement Key for ReSet Call Points
Colors:
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KIT-SA505

Key switch mounting bracket for STI-SA5000 series
Colors:
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KIT-T3P

Terminal Connectors (2 pack)
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KIT-UB-1C

Contact Assembly for UB-1
Colors:
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KIT-W07532

Wire Rack for STI-7530 series
Colors:
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KL544

Key Lock
Colors:
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LT-1UL

UL Latching/Timer Module
Colors:
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RP-K-10

Reset Replacement Key (Pack of 10)
Colors:
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STI-1102CR

Stopper II® Replacement Horn Kit
Colors:
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STI-1102NR

Stopper II® Replacement Horn Kit
Colors:
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STI-1212

Open Back Box for Stopper® Dome series
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STI-1222

Enclosed Back Box for Stopper® Dome Series.
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STI-1280

Backplate for Stopper II® and Weather Stopper® series
Colors:
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STI-1283

Backplate for STI-1210C, STI-1210D, STI-1221C, and STI-1221D
Colors:
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STI-1284

Single Gang Mounting Adapter for STI-1219 and STI-1229
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STI-1285

Backplate for STI-9705 and STI-9708
Colors:
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STI-1286

Backplate for STI-9711 and STI-9714
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STI-1314

Universal Stopper® backplate
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STI-1331

Universal Stopper® Spacer
Colors:
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STI-3002

Weather Gasket for Stopper II® and Weather Stopper® series
Colors:
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STI-3003

Conduit Gasket for Stopper II® and Weather Stopper® series
Colors:
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STI-3004

Rigid Conduit Gasket for Stopper II® (3/4" or 1/2" pipe) and Weather Stopper® series
Colors:
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STI-3100

Clear Conduit Spacer for Stopper II® Series
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STI-3104

Clear Conduit Spacer with Gaskets, for Stopper II® Series
Colors:
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STI-3301

Wireless Doorbell Chime Transmitter
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STI-3353

Wireless Chime Receiver
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STI-34071

Wireless Conversion Board
Colors:
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STI-34099

Single Channel Slave Receiver Case
Colors:
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STI-34107

Multi-Blade 12 VDC Power Adapter
Colors:
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STI-6200WIR9

Wireless Theft Stopper® with Single Channel Slave Receiver
Colors:
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STI-6400WIR9

Wireless Exit Stopper® Multifunction Door Alarm with Single Channel Slave Receiver
Colors:
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STI-6506

32mm Spacer for Euro Stopper®
Colors:
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STI-6507

50mm Spacer for Euro Stopper®
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STI-6508

Backplate for Euro Stopper Series
Colors:
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STI-6517

Stopper® Station Shield
Colors:
Dimensions:5.32 in H x 3.51 in W x 1.76 in D
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STI-6517-ES

Stopper® Station Shield, Spanish
Colors:
Dimensions:5.32 in H x 3.51 in W x 1.76 in D
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STI-6517-FR

Stopper® Station Shield, French
Colors:
Dimensions:5.32 in H x 3.51 in W x 1.76 in D
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STI-6517A

Stopper® Station Shield with Sound
Features:
Feature Icon
Colors:
Dimensions:5.32 in H x 3.51 in W x 1.76 in D
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STI-6517A-ES

Stopper® Station Shield with Sound, Spanish
Features:
Feature Icon
Colors:
Dimensions:5.32 in H x 3.51 in W x 1.76 in D
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STI-6517A-FR

Stopper® Station Shield with Sound, French
Features:
Feature Icon
Colors:
Dimensions:5.32 in H x 3.51 in W x 1.76 in D
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STI-6517B

Wireless Stopper® Station Shield with Cover Sound and Transmitter
Features:
Feature IconFeature Icon
Colors:
Dimensions:5.32 in H x 3.51 in W x 1.76 in D
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STI-6517B-ES

Wireless Stopper® Station Shield with Cover Sound and Transmitter, Spanish
Features:
Feature IconFeature Icon
Colors:
Dimensions:5.32 in H x 3.51 in W x 1.76 in D
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STI-6517B-FR

Wireless Stopper® Station Shield with Cover Sound and Transmitter, French
Features:
Feature IconFeature Icon
Colors:
Dimensions:5.32 in H x 3.51 in W x 1.76 in D
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STI-6517C

Stopper® Station Shield with Wireless Transmitter
Colors:
Dimensions:5.32 in H x 3.51 in W x 1.76 in D
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STI-6517C-ES

Stopper® Station Shield with Wireless Transmitter, Spanish
Features:
Feature IconFeature Icon
Colors:
Dimensions:5.32 in H x 3.51 in W x 1.76 in D
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STI-6517C-FR

Stopper® Station Shield with Wireless Transmitter, French
Features:
Feature Icon
Colors:
Dimensions:5.32 in H x 3.51 in W x 1.76 in D
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STI-6517D

Wireless Stopper® Station Shield with Button Sound and Transmitter
Colors:
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STI-6517D-ES

Wireless Stopper® Station Shield with Button Sound and Transmitter, Spanish
Colors:
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STI-6517D-FR

Wireless Stopper® Station Shield with Button Sound and Transmitter, French
Colors:
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STI-6519-FR

Single-Gang Protective Cover - French
Colors:
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STI-6552

Weather Gasket for Widebody Keypad Protector
Colors:
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STI-6580

12-Volt Heater Kit
Colors:
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STI-6582

Mounting Backplate for Widebody Keypad Protector
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STI-6583

24-Volt Heater Kit
Colors:
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STI-6602

Replacement Horn Kit
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STI-6602-BREAK

Replacement Sounder Kit for STI-13000 Universal Stopper® series
Colors:
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STI-6602-CB

Custom Blue Replacement Horn Kit for STI-13000 Universal Stopper® series
Colors:
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STI-6602-CG

Custom Green Replacement Horn Kit for STI-13000 Universal Stopper® series
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STI-6602-CK

Custom Black Replacement Horn Kit for STI-13000 Universal Stopper® series
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STI-6602-CR

Custom Red Replacement Horn Kit for STI-13000 Universal Stopper® series
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STI-6602-CW

Custom White Replacement Horn Kit STI-13000 Universal Stopper® series
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STI-6602-CY

Custom Yellow Replacement Horn Kit for STI-13000 Universal Stopper® series
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STI-6903

35 mm Conduit Spacer for the Call Point Stopper®
Colors:
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STI-8101

2" Conduit Spacer for STI-8100 Series
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STI-8171

Mounting Backplate for 8100/8200 Series
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STI-8201-SS

50mm Spacer for Smoke Detector Damage Stopper® - Stainless Steel
Colors:
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STI-8201-W

50mm Spacer for Smoke Detector Damage Stopper® - White Coated Steel
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STI-CI

Integral Cover
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STI-CKE-015

Sounder Cartridge with relay and 12-24 connection for Euro Stopper®
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STI-CKE-015-LIT

Sounder Cartridge for Euro Stopper®
Colors:
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Limited Quantity (EOL)

STI-CKE-015-WIR

Sounder Cartridge with wireless, relay and 12-24 connection for Euro Stopper®
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STI-CKE-272-B

Blue Housing Shell for Euro Stopper®
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STI-CKE-272-E

Orange Housing Shell for Euro Stopper®
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STI-CKE-272-G

Green Housing Shell for Euro Stopper®
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STI-CKE-272-K

Black Housing Shell for Euro Stopper®
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STI-CKE-272-R

Red Housing Shell for Euro Stopper®
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STI-CKE-272-W

White Housing Shell for Euro Stopper®
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STI-CKE-272-Y

Yellow Housing Shell for Euro Stopper®
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STI-HK2A

Heater Field Replacement Kit - 240 VAC for STI-1229HTR240
Colors:
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STI-HK3

Heater Field Replacement Kit for STI-1200A-HTR
Colors:
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STI-HTR020T

Mini Radiant Heater 20W with Thermostat
Colors:
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STI-HTR030T

Mini Radiant Heater 30W with Thermostat
Colors:
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STI-HTR045T

Radiant Heater 45W with Thermostat
Colors:
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STI-HTR060T

Radiant Heater 60W with Thermostat
Colors:
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STI-HTR075T

Radiant Heater 75W with Thermostat
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STI-HTR100T

Radiant Heater 100W with Thermostat
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STI-HTR150T

Radiant Heater 150W with Thermostat
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Special Order

STI-HTR200T

Fan Heater w/heating element & built-in thermostat, 200W, 115VAC
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STI-HTR550T

Cabinet Heater with Fan
Colors:
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STI-MBP0506

14 Gauge Backplate for STI-EM07123.5 and STI-EM08073.5
Colors:
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STI-MBP0913

14 Gauge Backplate for STI-EM111504
Colors:
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STI-MBP1010

14 Gauge Backplate for STI-EM111103 and STI-EM121204
Colors:
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STI-MBP1316

14 Gauge Backplate for STI-EM151804
Colors:
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STI-PMK0608

EnviroArmour® Pole Mount Kit
Colors:
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STI-PMK1012

EnviroArmour® Pole Mount Kit
Colors:
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STI-PMK1416

EnviroArmour® Pole Mount Kit
Colors:
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STI-PMK1824

EnviroArmour® Pole Mount Kit
Colors:
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Special Order

STI-TSTAT510F

Double Throw Thermostat
Colors:
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Special Order

STI-TSTAT520F

Thermostat for Heaters
Colors:
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Special Order

STI-TSTAT541F

Dual Thermostat for Fan & Heater
Colors:
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Special Order

STI-TSTAT542F

Dual Thermostat for Heater/Alarm
Colors:
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Special Order

STI-TSTAT543F

Dual Thermostat for Fan/Alarm
Colors:
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TL644

Thumb Lock
Colors:
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UB-1CL

Custom Message Plate for UB-1
Colors:
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FAQS

FAQs

We have answers to your frequently asked questions about STI. If you don’t find what you're looking for, please contact a friendly STI customer service representative today.