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

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

Product ID: 304156831

Details

Brand
Oatey
Exterior Finish
Inlet Connection Size
1.5 Inches
Inlet Connection Type
Solvent
Item dimensions L x W x H
6.4 x 5.1 x
Material
Pvc

💨Vents up to 160 DFU branch / 24 DFU stack

⚙️Handles 1.5"–2" vent pipes

🛡️Tested at 1/4 to 30 in. H2O pressure

Description

💨 Elevate your plumbing game with the valve that keeps your system breathing easy!

COMPACT POWERHOUSE - Fits 1.5" to 2" PVC pipes seamlessly for versatile venting solutions.
HIGH CAPACITY VENTING - Supports up to 160 DFU branch or 24 DFU stack, ensuring optimal drainage performance.
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 professional-grade plumbing compliance.
PRESSURE TESTED RELIABILITY - 100% functionally tested under rigorous pressure standards for zero-fail operation.

The Oatey 39017 Sure-Vent Air Admittance Valve is a professional-grade plumbing solution designed to replace secondary vents in DWV systems. Compatible with 1.5" to 2" PVC pipes, it vents up to 160 DFU branch or 24 DFU stack, ensuring smooth drainage and preventing sewer gas escape. Tested rigorously at pressures from 1/4 to 30 in. H2O, it guarantees reliable, trouble-free performance. Its protective sleeve simplifies installation and keeps debris out, while full compliance with ASSE 1050/1051, IPC, and UPC codes makes it a trusted choice for contractors and remodelers aiming for efficient, code-approved venting.

Specifications

ASIN	B0069KCZO4
Best Sellers Rank	#184,238 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #2,037 in Pipe Fittings
Brand	Oatey
Country of Origin	USA
Exterior Finish	exterior_finish
Generic Name	Air Admittance Valve
Global Trade Identification Number	00038753390178
Included Components	(1) Air admittance valve
Inlet Connection Size	1.5 Inches
Inlet Connection Type	Solvent
Item Dimensions LxWxH	6.4 x 5.1 x 10.8 Centimeters
Item Weight	45.4 g
Item dimensions L x W x H	6.4 x 5.1 x 10.8 Centimeters
Item model number	39017
Manufacturer	Oatey
Material	Pvc
Maximum Operating Pressure	30 Inches of Mercury
Net Quantity	1.0 Count
Number of Ports	2
Outlet Connection Size	1.5 Inches
Outlet Connection Type	NPS
Product Dimensions	6.35 x 5.08 x 10.8 cm; 45.36 g
Specification Met	ASSE 1050, ASSE 1051, IPC, UPC
UPC	732454231210 038753390178 782247277147

Reviews

I**K

Resolved the problem!

22.07.2025

P**D

Worked exactly as advertised. Easy to install and eliminated the gurgling sounds

26.08.2020

B**N

Does the job! Although it didn’t fix my problem… The collar is for 2 different size pipe ends!

26.01.2026

A**N

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

12.09.2025

J**D

works for venting drain on island

23.12.2023

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