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Home My WebLink AboutAir Admittance Valve SpecsAir Admittance Valves PFAAVZO PROFLO. Producl Fealures . Rated 20 DFU's for venting DWV 2 and smaller . Unique technology opens at -0.01 psi and seals at 0 psi and above . Screening on air inlets to guard the seal . Protective rubber sleeve provides grip for installation and keeps valve free from debris . 100% functionally tested aI1l4^ H20 and 30" HrO ensuring trouble free performance . Limited Lifetime Warranty Model Numbers PFAAV20 20 DFU AAV with 1-1l, - 2 PVC Adapter PFAAV2OA 20 DFU AAV with 1-1l, - 2 ABS Adapter G e ne ra I Sp e cili cati o ns An air admittance valve shall be acceptable as a vent termination f or any individual vent, common vent, circuit vent, l00p vent, island fixture vent, vent stack or stack vent that ls provided to prevent siphonage of a fixture trap. An air admittance valve is used as an alternative to secondary venting through the roof open to atmosphere. The purpose of an air admittance valve is to provide a method of allowing air to enter the plumbing drainage system without the use 0f a venl extended to open air and to prevent sewer gases from escaping into a building. An air admittance valve is a one way valve designed to allow air to enter the plumbing drainage system when negative pressures develop in the piping system. The device shall close by gravity and seal the vent terminal at zero differential pressure (no flow conditions) and under positive internal pressures. Pro du ct Locati o n S p ecifieati o ns . Should be located a minimum of 4" above the weir of fixture trap for single fixture and branch venting and 6"above flood level of highest fixture for stack venting . Each valve should be installed in an accessible location lnslallation . Read installation instructions prior to use of this product. Always consult local plumbing codes prior to installing an AAV. lndividual, branch and circuit venls are permitted to terminate wilh a connection to an AAV. . The AAV will only vent fixtures thal are on the same floor and connect to a horizontal branch drain. The horizontal branch drain shall connect to the drainage stack a maximum of four branch intervals from the top of the slack. AAV should be located within the maximum developed length permitted f 0r the vent. AAV must be located a minimum of 4 inches above the horizontal board and 6 inches any insulation material and within 15 degrees of vertical. . Every structure in which plumbing is installed shall have at least one primary stack vent. The stack vent should run as directly as possible from the building drain through to the open air. . Apply pipe joint compound or thread seal tape to the male threads of the valve. Remove proteclive lubbet sleeve aftel inslallalion. . Valves are intended for installation in the confines of a structure, cannot be exposed to outside elements and are intended for use between -400 F and I 500 F. AAVs must be accessible for inspection and service, .Ð@ 1 iftlÞ' 1 '¡r-lãt- \ Ð ._tl -i' ÂssE 1050 & DWV ESR-1664 Distributed Exclusively by Ferguson and Wolseley Canada t @201 1 Ferguson Enterprises, lnc. All Righls Reserved @ Pase 1 of 2 0AT 04/1 1 Air Admittance Valves PFAAVZO PROFLO. Product SpeciÍication Warranty This PR0FLO product carries a limited lifetime warranty PerÍormance Standards ASSE 1050 & 1051 ICC ESR - 1664 NSF Standard 14 IAPM0 - classified mark ASTTV D 2665/D 2661 Gode Approvals lnternational Plumbing Code (lPC) 2003 lnternational Residential Code (lRC) 2003 assE 1050 & aNsilassE1051a&a B^ .v@ esR-too+ Distributed Exclusively by Ferguson and Wolseley Canada 1-112" PVC ADAPTER All dimensions in inches. A '.: :'z ; t B I DWV A PVC valve with unique seal technology B ABS or PVC Adapter PART MATERIALS cEtlfl unffitrf itst IAPMO @201 1 Ferguson Enterprises, lnc. All Rights Reserved Page 2 of 2 0AÏ 04/1 1