Backflow Preventer (Fire Service)
A listed assembly (RPZ or DCVA) installed on the fire service main to prevent potentially contaminated fire-system water from siphoning back into the potable supply. Required by most authorities having jurisdiction.
A listed assembly (RPZ or DCVA) installed on the fire service main to prevent potentially contaminated fire-system water from siphoning back into the potable supply. Required by most authorities having jurisdiction.