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...
- 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