Fire sprinkler systems save lives, but only if they are operable and fully functional. The head of a fire sprinkler system is the component of the system that discharges water when smoke/fire is detected. A fire protection technician must inspect a sprinkler system to identify if there are any recalled sprinkler heads in your building.
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Maryland apartments have 10 years to put sprinklers in every unit
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5pc Fire Sprinkler Head 93℃/199℉ Pendent Type 1/2 Thread Sprinkler Heads 1/2 & Wrench for Kitchen Boiler Room : : Patio, Lawn & Garden
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1/2 Inch 68℃ Pendent Fire Sprinkler Head Brass for Fire Extinguishing System Protection : : Patio, Lawn & Garden
1/2 Inch 68℃ Pendent Fire Sprinkler Head Brass for Fire Extinguishing System Protection : : Patio, Lawn & Garden
Does the automatic fire sprinkler system have a warning system to inform the fire department of a fire in progress? - Quora
Defective sprinkler heads must be replaced