2026 Rare Harrington Fire Alarm Test 1
Fire Alarm Test 176 This is a very rare Harrington Fire Alarm system installed in a middle school. It was installed in the mid 1990s and is VERY loud. The original system in the building was a simplex 424X system with AC horns in the hallways. Some places also had simplex 4050-80s at one point. Though this system is gone, the current system is also very rare due to the first generation Wheelock AS units. System Specs: Panel: Harrington HS-3400 Signals: Rare Vertical Strobe Wheelock AS Rare Vertical Strobe Wheelock RS Pulls: Harrington Branded Addressable RSG Smokes: Harrington Branded System Sensor Addressable Heats: Harrington Branded System Sensor Addressable Annunciators: 2 Harrington LED annunciators at front entrance Chapters: 00:00 Intro 01:21 Audible Test 1 (2 Stage) 05:54 Audible Test 2 (Continuous with fail) 07:45 Audible Test 3 (Synched T3 in half) 10:57 Audible Test 4 (All Continuous) 11:46 Outro self promo: Join the discord: / discord

2026 Rare Harrington Fire Alarm Test 2

Hollywood Fire Alarm Myths! | System Test 29 - Board 1

School fire drill #4 Season 3 (Found video)

Loudest Fire Alarm System On Youtube

Fire Sprinkler Pipe Breaks, Causing Fire Alarms to Sound and a Flood | Notifier Voice Evacuation

ROGUE Low Frequency Horns... WITHOUT STROBES? | System Test 3

Rare Fire Alarms at an Old High School

System Test 15 - Evac Tone!

2025 Rare Simplex 4903 Fire Alarm Test

Hospital Fire Alarm Testing | Simplex 4100ES

Why do Fire Alarms in New York City Have a White Stripe on Them?

System Test 20

Fire Alarm Test 150 | Rare Edwards Horns

Why Do Voice Evacuation Fire Alarm Systems Exist? All About EVAC Fire Systems (Talking Fire Alarms)

Fire Alarms Sounding at UCLA Boelter Hall (Birthplace of the Internet) 2/5/26

Simplex Fire Alarm Test 81

2026 Rare Harrington Fire Alarm Test 3

System Test 25: The Rare Stuff

Fire Alarm Test 135 | Bizarre Simplex System

