4" ASTRA FIRE SPRINKLER ALARM VALVE MODEL E GROOVE/GROOVE
In a wet pipe sprinkler system, the sprinkler heads connect to pipes that are filled with pressurized water. When a fire is detected, the sprinkler system activates automatically to extinguish the fire.
MADE IN CANADA
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TRIM KIT SOLD SEPERATELY: MODEL AVTRIM60 FOR 4-6" VALVES