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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39017 Sure-Vent AIR ADM Valve, 1-1/2-Inch by 2-Inch, White

Product ID: 304156856

Details

Brand
Oatey
Exterior finish
White
Inlet connection size
1.5 Inches
Item dimensions L x W x H
6.4 x 5.1 x
Material
Polyvinyl

⚙️24 DFU capacity

🌬️One-way air admittance

🛠️1.5" x 2" PVC size

R686

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Description

🌟 Upgrade your plumbing game with silent, smart venting!

DURABLE PVC BUILD - Lightweight yet robust, designed for long-term reliable performance
SILENT SMART VENTING - One-way valve prevents sewer gases while allowing air in when needed
COMPACT CODE APPROVED - Sized for up to 3" vent pipes and meets ASSE 1050/1051 standards
EFFORTLESS PRESSURE BALANCE - Keeps sewer and atmospheric pressure equalized for smooth drainage
QUICK INSTALL NO WALL HASSLE - Ideal for island sinks and remodels without opening walls for vent stacks

The Oatey 39017 Sure-Vent Air Admittance Valve is a compact, code-compliant PVC valve designed to equalize pressure in plumbing systems, enabling quiet and efficient drainage without traditional vent stacks. It supports up to 24 DFU, fits 1.5" to 3" vent pipes, and prevents sewer gas escape with a gravity-sealed one-way valve—perfect for modern remodels and tight spaces.

Specifications

ASIN	B0069KCZO4
ASIN	B0069KCZO4
Best Sellers Rank	#36,302 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #228 in Industrial Pipe Fittings
Brand Name	Oatey
Connector Type	Adapter
Customer Reviews	4.6 4.6 out of 5 stars (2,445)
Customer reviews	4.6 4.6 out of 5 stars (2,445)
Date First Available	13 May 2013
Exterior Finish	White
Global Trade Identification Number	00038753390178
Included Components	Rough Plumbing; Bath Faucets and Accessories;faucet-parts-and-attachments
Inlet Connection Size	1.5 Inches
Inlet Connection Type	FNPT
Is Discontinued By Manufacturer	No
Item Dimensions	6.4 x 5.1 x 10.8 centimeters
Item Type Name	SURE-VENT AIR ADM VALVE
Item Weight	45 g
Item model number	39017
Manufacturer	Oatey
Manufacturer	Oatey
Manufacturer Part Number	39017
Material Type	Polyvinyl Chloride
Maximum Pressure	30 Inches of Mercury
Model Number	39017
Number of Items	1
Number of Pieces	2
Number of Ports	2
Outlet Connection Size	3.8 Centimeters
Outlet Connection Type	NPS
Product Dimensions	6.35 x 5.08 x 10.8 cm; 45.36 g
Set Name	24 Stack
Size	1-1/2-Inch by 2-Inch
Specification Met	ASSE
Thread Size	1.5 inches
Thread Type	NPT
UPC	732454231210 038753390178 782247277147
Unit Count	1 Count
Valve Type	Air Admittance Valve

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R686

Duties & taxes included

In stock

Sold byAmazon South AfricaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to South Africa.

Secure transaction

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TrustScore 4.5 | 7,300+ reviews

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