STI

Showing 85–96 of 601 resultsSorted by popularity

STI STI-3150NR

Weather Stopper Without Horn with Spacer, No Label

Mfr. Part #: STI-3150NR

SKU: 10533

Availability: Estimated 10 days

$77.22

STI STI-3003

Conduit Gasket for Stopper II & Weather Stopper

Mfr. Part #: STI-3003

SKU: 10589

Availability: Estimated 8 days

$5.21

STI STI-3004

Rigid Conduit Gasket for Stopper II (3/4" or 1/2" pipe) and Weather Stopper Series

Mfr. Part #: STI-3004

SKU: 10595

Availability: Estimated 5 days

$5.21

STI STI-1102

Replacement Horn Kit for Stopper II, Red

Mfr. Part #: STI-1102

SKU: 10618

Availability: Estimated 5 days

$40.13

STI STI-6580

12-Volt Heater Kit

Mfr. Part #: STI-6580

SKU: 10621

Availability: Estimated 12 days

$78.65

STI STI-6583

24-Volt Heater Kit

Mfr. Part #: STI-6583

SKU: 10624

Availability: Estimated 12 days

$64.49

STI STI-1210D

Horn/Strobe Damage Stopper with Conduit Knockout, Clear

Mfr. Part #: STI-1210D

SKU: 10638

Availability: Estimated 5 days

$42.84

STI STI-1221A

Strobe Damage Stopper with Enclosed Back Box 4" Deep, Clear

Mfr. Part #: STI-1221A

SKU: 10647

Availability: Estimated 10 days

$55.36

STI STI-1221A4X

Strobe Damage Stopper with Enclosed Back Box 4" Deep NEMA 4X, Clear

Mfr. Part #: STI-1221A4X

SKU: 10651

Availability: Estimated 10 days

$84.61

STI STI-1221B

Strobe Damage Stopper with Enclosed Back Box with Double Gang Outlet Box, Clear

Mfr. Part #: STI-1221B

SKU: 10656

Availability: Estimated 10 days

$48.85

STI STI-1221C

Strobe Damage Stopper with Open Back Box with External Mounting Tabs, Clear

Mfr. Part #: STI-1221C

SKU: 10659

Availability: In Stock

$45.57

STI STI-1217

Stopper Dome for Horn/Speaker/Strobe with Open Back Box, Clear

Mfr. Part #: STI-1217

SKU: 10676

Availability: Estimated 10 days

$40.71

Categories

STI

Sign up for our Newsletter

Copyright 2025 © FireAlarm.com | All Rights Reserved

FireAlarm.com +

Mon – Thurs, 8am to 7pm (EST)Fri, 8am to 5pm (EST)

(888) 497-0290

About

Policies

Contact Info

Mon – Thurs, 8am to 7pm (EST)Fri, 8am to 5pm (EST)

(888) 497-0290

Services

Partnership Opportunities

Products

Firealarm.com Exclusives

FireAlarm.com +

Sign up for our Newsletter

Copyright 2025 © FireAlarm.com | All Rights Reserved

Mon – Thurs, 8am to 7pm (EST)
Fri, 8am to 5pm (EST)

Mon – Thurs, 8am to 7pm (EST)
Fri, 8am to 5pm (EST)