The audible alarm whistles when the liquid level in the aboveground storage tank reaches the preset level. The pressure vacuum vent allows the tank to breathe during filling and dispensing operations. Features 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 Construction Details Body: Anodized aluminum Screens: Stainless steel Rainguard: Aluminum Seals: Viton® Ball: Teflon® Float: Stainless steel
Morrison Bros. Morrison Bros. 922 Series 3 in. Female NPT Pressure Vacuum Vent and Overfill Alarm w/ 43,020 CFH Venting Capacity MSRP: Was: Now: (Inc. Tax) MSRP: Was: Now: $728.32 Free Shipping Domestically Ready to Ship Quick view Add to Cart The item has been added
Morrison Bros. Morrison Bros. 922 Series 2 in. Female NPT Pressure Vacuum Vent and Overfill Alarm w/ 30,120 CFH Venting Capacity MSRP: Was: Now: (Inc. Tax) MSRP: Was: Now: $750.32 Free Shipping Domestically Quick view Add to Cart The item has been added
Morrison Bros. Morrison Bros. 922 Series 2 in. Female NPT Pressure Vacuum Vent and Overfill Alarm w/ 30,300 CFH Venting Capacity MSRP: Was: Now: (Inc. Tax) MSRP: Was: Now: $758.56 Free Shipping Domestically Quick view Add to Cart The item has been added
Morrison Bros. Morrison Bros. 749T Pressure Vacuum Vent MSRP: Was: Now: (Inc. Tax) MSRP: Was: Now: $433.11 Free Shipping Domestically Ready to Ship Quick view Add to Cart The item has been added
Morrison Bros. Morrison Bros. 354T 3 in. Slip-On Updraft Vent - 59,000 CFH MSRP: Was: Now: (Inc. Tax) MSRP: Was: Now: $181.54 Quick view Add to Cart The item has been added
