FAQ

Air Admittance Valves (AAVs)
FAQs
Q What is the denition of DWV?
A DWV is an acronym used in the plumbing industry which means Drainage, Waste and Vents.
Q What is the denition of an AAV and what is it used for?
A AAV = Air Admittance Valve. The AAV is designed to take the place of a xture or branch vent.
Q Can an Oatey Sure-Vent be installed outside?
A No. The Sure-Vents are not designed for exposure to Ultra Violet Rays.
Q Can the Sure-Vent be used in place of a main vent stack?
A No. Every dwelling needs to have one main vent stack exiting the rooine into the free atmosphere. It is
also recommended that a relief vent be installed when completing a new home or large addition rough-in.
Q Does the Sure-Vent require maintenance?
A Yes. The Sure-Vent is a mechanical device and like all mechanical devices, a scheduled maintenance
routine should be set up to ensure AAV is functioning properly.
Q How high above the xture trap should the Sure-Vent be located?
A A minimum of four inches above the horizontal branch drain (trap).
Q Can the Sure-Vent be used to vent a sealed sump pit with waste grinder pump?
A Yes, with exceptions. Always check with your local building ofcials to conrm this application is approved in
your municipality before attempting this installation. We also recommend you check with the pump manufacturer
before completing installation. Remember, you also need to vent any xture or group of xtures, and check with
your local building ofcial to ensure your plumbing system is designed properly before installation. If they are not
vented properly, the drains will not ow properly. After conrming all parties involved approve this application,
contact our customer service department who will send out a drawing explaining the application.