Technical Specifications
MINI-VENT
®
Air Admittance Valve
General:
An air admittance valve shall be acceptable as a vent termination for any individual
vent, common vent, circuit vent, loop vent, island fixture vent, vent stack or stack vent
that is provided to prevent siphonage of a fixture trap. An air admittance valve can be
used as an alternative to extending a vent through the roof (or sidewall) to the open
atmosphere.
Location:
A. The MINI-VENT shall be located a minimum of 4” above the horizontal branch
drain or fixture drain being vented and a minimum of 6” above the flood level of the
highest fixture for stack venting.
B. Each valve should be installed in an accessible location.
Installation:
A. The valve should be connected to the piping in accordance with the manufacturer’s
installation instructions.
B. The valve should be installed in the vertical, upright position after rough-in and
pressure testing of the DWV system.
C. A minimum of one vent shall extend to the open atmosphere for every building
drainage system.
D. The valve should not be installed in non-neutralized special (chemical) waste sys-
tem or in supply and return air plenums.
E. The valve may be installed on sewer ejectors, if installed according to engineer
design and prior local code approval.
F. For installation in areas with temperature range between –40 and 150° F.
Features:
A. Screening on the inside and outside of the valve to protect the sealing assembly
from insects and debris.
B. Protective cover for the air intake and additional insulation against extreme temper-
atures.
C. Ability to divert condensation away from sealing membrane.
D. Limited lifetime warranty for replacement of defective valves.
Materials:
A. Polystyrene
B. ABS (acrylonitrile butadiene styrene) valve with silcone membrane
C. ABS or PVC (adaptor)
Performance Standards:
ANSI/ASSE 1051 A&B — single fixture and branch type AAVs
ANSI/ASSE 1050— stack type AAVs
NSF Standard 14— Plastics Piping System and Components
Code Compliance:
International Plumbing Code (IPC)
International Residential Code (IRC)
Uniform Plumbing Code (UPC Section 301.2 Alternative Materials and Methods
National Standard Plumbing Code (NSPC)—Appendix “E”
National Plumbing Code of Canada (NPC)
Listings:
Horizontal
BranchSize
MaxDFUs
11/2” 3
2” 6
3” 20
4” 160
StackSize MaxDFUs
11/2” 8
2” 24
SPECIFICATIONSUBMITTALSHEET
Manufacturer:Studor®,Inc. ConneconSize:11/2”‐2”
Model#: MINI‐VENT® Item#:20301(PVCConnector);20300(ABSConnector)
500DistribuonParkwayCollierville,TN38017●800‐888‐8312●901‐853‐5001●FAX:901‐853‐5008●www.ipscorp.com
MINI‐VENT®
Fits1½”or2”pipesizes
Adaptor1½”NPT
2”
2⅝”
ProtecveCover