The Sure-Vent should be installed a minimum of four inches above the horizontal branch drain (trap).

No. The AAV must have access to the open atmosphere. If the Sur-Vent is to be installed in a wall cavity, you must use one of our AAV wall boxes with a louvered face plate. This allows the Sure-Vent to have access to the open atmosphere, and also acts as an access door.

Yes, but the attic must have an access point for maintenance, and the valve should be installed at least six inches above the insulation. Extreme temperatures and insulation fibers can affect performance.

Yes, with exceptions. Always check with your local building officials to confirm this application is approved in your municipality before attempting this installation. We also recommend that you check with the pump manufacture before completing this installation. Remember that you also need to vent any fixture or group of fixtures, check with your local building official to ensure your plumbing system is designed properly before installation. If they are not vented properly the drains will not flow properly. After confirming all parties involved approve this application, you can contact our customer service department and they will be happy to send out a drawing explaining the application. 

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. 

No. Every dwelling needs to have one main vent stack exiting the roofline into the free atmosphere. It is also recommended that a relief vent be installed when completing a new home or large addition rough-in. 

No. Oatey Sure-Vents are not designed for exposure to ultraviolet rays and should not be installed outdoors.

AAV = Air Admittance Valve. 

DWV is an acronym used in the plumbing industry which means Drainage, Waste and Vents.

No. You should however bevel (chamfer) the pipe end to prevent cutting or scaring of the rain collar as it is being pushed over the pipe.