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Morrison Bros. 922 Series 3 in. Female NPT Pressure Vacuum Vent and Overfill Alarm w/ 44,160 CFH Venting Capacity (MO9220500AA)

Functions as both a pressure vacuum vent and audible alarm while utilizing a single 2″ or 3″ tan...
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$521.66
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  • Functions as both a pressure vacuum vent and audible alarm while utilizing a single 2″ or 3″ tank opening. Installs on the top of the vent pipe, generally 12 feet above grade
  • 105 to 120 decibel whistle alarm (measured at a distance of 1 foot with a fill rate of 90 GPM)
  • Fully mechanical alarm does not require electricity or batteries
  • Alarm level can be set to activate at any liquid level by adjusting the cable length to the float device
  • Minimum fill rate of 20 GPM required for alarm to operate
  • Florida DEP EQ 227 certified