Discover premium fire alarm protection solutions for your safety systems. Our comprehensive range of stoppers prevents accidental activation while ensuring emergency access when needed. From weather-resistant models to damage prevention covers, these durable devices safeguard your critical fire safety equipment without compromising functionality. Protect your investment today!

STI
SS2471LD-EN Indoor/Outdoor Surface Turn-to-Reset Stopper Station
Sale price$150.65
Regular price$180.78
In Stock
STI
STI 1210A Horn/Strobe Damage Stopper and Enclosed Back Box
Sale price$54.50
Regular price$65.40
In Stock
STI
STI-1130 Stopper II with Horn and Clear Spacer
Sale price$92.85
Regular price$111.42
Out of Stock – (Call or Chat for Lead Time)
STI
STI-1150 Stopper II with Horn Flush Mount, Indoor/Outdoor Rated
Sale price$87.95
Regular price$105.54
In Stock
STI
STI-1210E Horn Strobe Damage Stopper and Open Back Box for Flush Mount
Sale price$34.85
Regular price$41.82
In Stock
STI
STI-1215 Stopper Dome for Horn/Speaker/Strobe Flush Mount
Sale price$36.90
Regular price$44.28
In Stock
STI
STI-1221A4X Stopper Dome and Strobe Damage Stopper
Sale price$83.25
Regular price$99.90
In Stock
STI
STI-13010FR Universal Stopper Dome Cover Flush Mount
Sale price$50.05
Regular price$60.06
Out of Stock – (Call or Chat for Lead Time)
STI
STI-13030FR Universal Stopper with Horn & Relay, Flush, Fire Label
Sale price$105.55
Regular price$126.66
Out of Stock – (Call or Chat for Lead Time)
STI
STI-13210FR Universal Stopper Dome Cover Surface Mount
Sale price$54.40
Regular price$65.28
In Stock
STI
STI-3100 Conduit Spacer Clear
Sale price$16.20
Regular price$19.44
Out of Stock – (Call or Chat for Lead Time)
STI
STI-3150 Weather Stopper Without Horn With Spacer
Sale price$74.55
Regular price$89.46
Out of Stock – (Call or Chat for Lead Time)
STI
STI-8100-BK Smoke Detector Cover Polycarbonate Black
Sale price$21.25
Regular price$25.50
In Stock










