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How rare are these? Simplex 4903-9256 110 Candela Selectable SmartSync Horn Strobe
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10
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49
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January 18, 2026
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BlitzBiker2001's Vintage Simplex Collection
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5
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609
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January 18, 2026
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(Resource) Simplex 4002 Reproduction Labels
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2
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53
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January 11, 2026
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My Fire Alarm Collection So Far! :D
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4
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86
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December 5, 2025
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Vintage panel parts
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9
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104
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November 23, 2025
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My schools original fire alarm
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4
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67
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November 15, 2025
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Simplex 4020(s!)
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9
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193
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October 31, 2025
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Keep Simplex, or move to (some other vendor)?
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58
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1822
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October 31, 2025
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Looking For a Simplex 2903-9002/9102 Light/Strobe Plate
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0
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27
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October 29, 2025
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Simplex 4100ES Update - Now 30% Larger!
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11
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363
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October 23, 2025
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Change smoke detector sensitivity on Simplex 4100ES (Without PC)
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3
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86
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October 22, 2025
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Smart Sync emulator
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3
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53
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October 16, 2025
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4005 stuck in a boot loop
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12
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89
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October 14, 2025
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University of Hartford fire alarm systems
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17
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198
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October 13, 2025
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Please help with a simplex 2001! Any help would be appreciated!
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18
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82
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September 24, 2025
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Rincon/University High School (RUHS) Fire Alarm System
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25
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717
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September 16, 2025
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Duct detector 4098-9756 output abnormal
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4
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224
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September 12, 2025
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My collection as of this picture
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0
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85
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September 10, 2025
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Vintage Fire Alarm Parts for Sale!
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20
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401
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September 9, 2025
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4037 and more quietness solution
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2
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102
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September 8, 2025
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My Simplex 2001-8001
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17
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654
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August 29, 2025
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School fire drill
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1
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159
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August 15, 2025
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Rare 4050-80/bell combos spotted omg
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11
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143
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August 8, 2025
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What is your favorite SimplexTech video?
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3
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117
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August 7, 2025
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A dad looking for help/advice
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4
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133
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July 24, 2025
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Grinnell/Simplex TFX-500 Software
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0
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58
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July 21, 2025
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What Alarms Were In The Video "Simplex Fire Alarm Testing" by SimplexTech?
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6
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201
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July 15, 2025
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Simplex 4006 - Beeps continuously when LED annunciator is plugged in
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8
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94
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July 9, 2025
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Are there set pitches for the electronic 4903 horns?
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2
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57
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July 8, 2025
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carte de surveillance en alarme
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1
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40
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June 26, 2025
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