AIR ADMITTANCE VALVES 101 SURE-VENT ® AIR ADMITTANCE VALVES SPECIFICATIONS The purpose of an Air Admittance Valve is to provide a method of allowing air to enter the plumbing drainage system without the use of a vent 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. APPROVALS & LISTINGS ASSE 1050 & 1051 / ICC ESR-1664 / NSF Standard 14 / IAPMO – Classified Mark / ASTM D 2665/D 2661 / International Plumbing Code (IPC) 2003 / International Residential Code (IRC) 2003 FEATURES & MATERIALS Tension Membrane: Silicone Sweet Spot™: Sweet Spot™ technology opens at -0.01 psi and seals at 0 psi and above Screening: Screening on air inlets to guard the seal Grip: Protective sleeve provides grip for installation and keeps valve free from debris Tested: 100% functionally tested at 1/4" H2O and 30" H2O ensuring trouble free performance Warranty: Limited Warranty PRODUCT NO. DESCRIPTION PACK CTN. WT. 20 Branch, 8 Stack DFU Sure-Vent Air Admittance Valve With Schedule 40 Adapter 39228 20 Branch, 8 Stack DFU Sure-Vent, 1.5 In, W/PVC Sch. 40 Adapter 6 2.2 lbs. 39229 20 Branch, 8 Stack DFU Sure-Vent, 1.5 In, W/ABS Sch. 40 Adapter 6 2.2 lbs. 39005 20 Branch, 8 Stack DFU Sure-Vent, 1.5 In PVC Sch. 40 Adapter 50 18 lbs. 39227 20 Branch, 8 Stack DFU Sure-Vent, 1.5 In W/Abs Sch. 40 Adapter 6 18 lbs. 39250 20 Branch, 8 Stack DFU Sure-Vent, 1.5 In, 90 Deg PVC Sch. 40 Adapter 50 18 lbs. 39251 20 Branch, 8 Stack DFU Sure-Vent, 1.5 In, 90 Deg ABS Sch. 40 Adapter 6 18 lbs. 39254 20 Branch, 8 Stack DFU Sure-Vent, 1.5 In, Straight PVC Sch. 40 Adapter 50 18 lbs. 39256 20 Branch, 8 Stack DFU Sure-Vent, 1.5 In, Straight ABS Sch. 40 Adapter 50 18 lbs. 39255 20 Branch, 8 Stack DFU Sure-Vent, 1.5 In, Straight PVC Sch. 40 Adapter 6 2.2 lbs. 39020 20 Branch, 8 Stack DFU Sure-Vent, 1.5 In, No Adapter 6 2.2 lbs. 20 Branch, 8 Stack DFU Sure-Vent Air Admittance Valve With Schedule 40 Adapter 39225 20 Branch, 8 Stack DFU Sure-Vent, 1.5 In White Tubular Adapter 6 3 lbs. 39226 20 Branch, 8 Stack DFU Sure-Vent, 1.5 In Black Tubular Adapter 6 3 lbs. 39239 20 Branch, 8 Stack DFU Sure-Vent, 1.5 In, Installation Pack W/Tubular Adapter 6 3 lbs. 39020 20 Branch, 8 Stack DFU Sure-Vent, 1.5 In, No Adapter 50 5 lbs. 392393 20 Branch, 8 Stack DFU Sure-Vent, 1.5 In, Installation Pack- 3 Pack 6 3 lbs. 39245 20 Branch, 8 Stack DFU Sure-Vent, 1.5 In, Trap Pack 30 14 lbs. 160 Branch, 24 Stack DFU Sure-Vent Air Admittance Valve With Schedule 40 Adapter 39016 160 Branch, 24 Stack DFU Sure-Vent, 1.5 x 2 In PVC Sch. 40 Adapter 6 2.2 lbs. 39018 160 Branch, 24 Stack DFU Sure-Vent, 1.5 x 2 In ABS Sch. 40 Adapter 6 2.2 lbs. 39017 160 Branch, 24 Stack DFU Sure-Vent, 1.5 x 2 In PVC Sch. 40 Adapter 50 18 lbs. 39019 160 Branch, 24 Stack DFU Sure-Vent, 1.5 x 2 In ABS Sch. 40 Adapter 50 18 lbs. 39238 160 Branch, 24 Stack DFU Sure-Vent, 1.5 In W/Mechanical Adapter 12 4 lbs. 160 Branch, 72 Stack Dfu Sure-Vent Air Admittance Valve With Schedule 40 Adapter 39220 160 Branch, 72 Stack DFU Sure-Vent, 2 x 3 In PVC Sch. 40 Adapter 6 3.2 lbs. 39221 160 Branch, 72 Stack DFU Sure-Vent, 2 x 3 In ABS Sch. 40 Adapter 6 3.2 lbs. 160 Branch, 500 Stack Dfu Sure-Vent Air Admittance Valve With Schedule 40 Adapter 39223 160 Branch, 500 Stack DFU Sure-Vent, 3 x 4 In PVC Sch. 40 Adapter 6 5 lbs. 39224 160 Branch, 500 Stack DFU Sure-Vent, 3 x 4 In ABS Sch. 40 Adapter 6 5 lbs. DFU Rating Connection Membrane Adapter A 20 Branch, 8 Stack 1.5" PVC NPT Threads Silicone 1.5" PVC B 160 Branch, 24 Stack 2" PVC NPT Threads Silicone 1.5" x 2" PVC or ABS C 160 Branch, 72 Stack 2" PVC NPT Threads Silicone 2" x 3" PVC or ABS D 160 Branch, 500 Stack 3" PVC NPT Threads Silicone 3" x 4" PVC or ABS 1.65 3.59 2 in Hub 2.62 2.54 A. B. C. D. A.
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