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,White

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

Product ID: 56212979

Details

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

💨Vents up to 160 DFU branch / 24 DFU stack

⚙️Handles 1.5-2 inch vent pipes

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

R740

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Description

💨 Elevate your plumbing game with leak-proof, code-approved venting!

HIGH CAPACITY AIR FLOW - Supports up to 160 DFU branch venting, perfect for busy plumbing systems.
DEBRIS RESISTANT DESIGN - Protective sleeve keeps valve clean and installation grip secure.
CODE APPROVED CONFIDENCE - Meets ASSE 1050/1051, IPC, and UPC standards for professional-grade safety.
COMPACT POWERHOUSE VENTING - Fits 1.5 to 2-inch pipes seamlessly for versatile installation.
PRESSURE TESTED RELIABILITY - 100% functionally tested to ensure zero leaks and flawless performance.

The Oatey 39017 Sure-Vent Air Admittance Valve is a professional-grade plumbing solution designed to replace secondary vents in drainage systems. It fits 1.5 to 2-inch PVC pipes, vents up to 160 DFU branch or 24 DFU stack loads, and is rigorously tested for pressure integrity. With a protective sleeve for easy installation and compliance with major plumbing codes, it ensures reliable, odor-free venting for residential and commercial projects.

Specifications

ASIN	B0069KCZO4
Best Sellers Rank	214,291 in DIY & Tools ( See Top 100 in DIY & Tools ) 254 in Tap & Valve Washers
Brand	Oatey
Connector Type	Adapter
Country of Origin	USA
Customer Reviews	4.6 4.6 out of 5 stars (2,230)
Exterior Finish	White
Global Trade Identification Number	00038753390178
Included Components	(1) Air admittance valve
Inlet Connection Size	1.5 Inches
Inlet Connection Type	Solder
Item Dimensions	6.4 x 5.1 x 10.8 centimetres
Item Type Name	Air Admittance Valve
Item Weight	45 g
Manufacturer	Oatey
Material	Polyvinyl Chloride (PVC)
Maximum Pressure	30 Inches of Mercury
Model Number	39017
Number of Items	1
Number of Packs	1
Number of Pieces	2
Number of Ports	2
Outlet Connection Size	3.8 Centimeters
Outlet Connection Type	NPS
Part Number	39017
Set Name	Sure-Vent
Size	2 inch
Specification Met	ASSE 1050, ASSE 1051, IPC, UPC
Thread Size	1.5 inches
Thread Type	NPT
UPC	732454231210 038753390178 782247277147
Unit Count	1.0 count
Valve Type	Air Admittance Valve

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R740

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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