So is this a 1 1/2in. male thread without using any adapters? and will it work on abs pipe?

The top part of the vent (you can see the 2" male threads). The bottom part of the vent is an adapter that allows solvent welding to 1.5" or 2" PVC (not ABS). So, for 1.5" ABS pipe with male threads, you need to use a 1.5 Female to 2.0 female adapter/coupler or, if no threads on the ABS, solvent weld on a 1.5" ABS to 2" female pipe thread adapter.

Can I cut the vents coming through the roof and cap them in the attic with this?

Per code, you need one 3" vent out the roof. The others can be air admittance valves as long as there is access to replace them and they can get air to work properly.

What is the difference between the 39016 and the 39017?

Just a different model number. They're both the same size for the same size pipe.

i have 2 fixtures to the same drain, kitchen sink and sump pump, where should this Valve be placed? Both go to septic, Sink won't drain with pump on

First off I would highly recommend to not put sump pump discharge through your house waste system. It should always be run to the outside. One reason is that your system is not designed for the volume and another is that you are pushing sediment through it. It should be run to the outside away from the foundation or into a drywall system with your gutters if so eqiupt. If you do it the right way you don't need this valve. Also, what happened to your original vent? Lots of questions here....you should only need this for an island sink or difficult remodel situations. That said you can install this on a t above your trap arm or weir or somewhere above that

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🚀 Upgrade your plumbing game with Oatey Sure-Vent — the smart venting solution pros trust!

COMPACT POWERHOUSE - Fits seamlessly on 1.5 to 2-inch PVC pipes for versatile venting solutions.
HIGH CAPACITY VENTING - Supports up to 160 DFU branch or 24 DFU stack, perfect for complex plumbing setups.
DEBRIS RESISTANT DESIGN - Protective sleeve guarantees easy installation and keeps the valve clog-free.
CODE APPROVED CONFIDENCE - Meets ASSE 1050/1051, IPC, and UPC standards for trusted, professional-grade use.
PRESSURE TESTED RELIABILITY - 100% functionally tested to ensure flawless performance under varying pressures.

The Oatey 39017 Sure-Vent Air Admittance Valve is a professional-grade PVC valve designed to replace secondary vents in drainage systems. It fits 1.5 to 2-inch vent pipes, vents up to 160 DFU branch or 24 DFU stack, and is rigorously tested for reliable performance. Its protective sleeve ensures easy installation and debris resistance, while compliance with ASSE, IPC, and UPC codes guarantees safety and quality for residential and commercial plumbing projects.

Reviews

A**N

I recommend this one.

Easy to fit and very good quality. Drain fix!😀

12.09.2025

W**N

Works well, but know what you’re doing

There is one review here from Derek giving this one star and I have to say this is because Derek installed it too high. When it is too high the vacuum is too weak to engage the aav diaphragm so flushing is bad. The idea is minimum of 200mm above the water flood level, which in this case is the toilet rim. If he had just installed it between 200-300mm above the rim it would work with no issue. This is a good product but you need to know how to do it properly.

17.08.2025

D**K

Sure Vent

Unfortunately this item didn't work either I set it up wrong but toilet doesn't flush correctly. But when I remove it. Itdoes I will probably have to put pipe externally.

19.06.2021

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Manufacturer	Oatey
Part Number	39017
Product Dimensions	14.99 x 8.13 x 5.84 cm; 45.36 g
Item model number	39017
Size	2 inch
Colour	White
Style	PVC
Material	Polyvinyl Chloride (PVC)
Pattern	Air Admittance Valve
Shape	shape
Installation method	1
Item Package Quantity	1
Number of Pieces	2
Maximum Pressure	3E+1 Inches of Mercury
Measurement System	inch
Certification	ASSE
Included Components	(1) Air admittance valve
Batteries included?	No
Batteries Required?	No
Item Weight	45.4 g

Oatey 39017 Sure-Vent Air Admittance Valve with 1-1/2-Inch by 2-Inch PVC Adapter Bulk Pack, 2-Inch,White

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