OATEY 39256 Sure-Vent® 1.5 in....
IN STOCK (leaves warehouse same day if ordered before 3pm ET)
$95.71
$45.71
OATEY 39256 Sure-Vent® 1.5 in. 20 Branch, 8 Stack DFU Air Admittance Valve ABS Sched. 40, Straight Adapter

OATEY 39256 Sure-Vent® 1.5 in. 20 Branch, 8 Stack DFU Air Admittance Valve ABS Sched. 40, Straight Adapter

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Model: 39256
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In Stock (leaves warehouse same day if ordered before 3pm ET)

$95.71
$45.71
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Sure-Vent® 1.5 in. 20 Branch, 8 Stack DFU Air Admittance Valve ABS Sched. 40, Straight Adapter

  • Features

    • International Plumbing Code (IPC) and Uniform Plumbing Code (UPC) approved
    • Protective sleeve provides grip for installation and keeps valve free from debris
    • Complies to ASSE Standard 1050 and 1051
    • One size approved to handle up to 2" vent pipe
    • Sweet Spot™ technology opens valve at -0.01 psi and seals at 0 psi and above
    • For use as a secondary vent
    • Vents up to 20 DFU Branch or 8 DFU Stack
    • Screening on air inlets to guard the seal
    • ABS schedule 40 straight adaptor
    • For warranty product details, refer to the Oatey Limited Warranty document
    • 100% functionally tested at 1/4" H2O and 30" H2O ensuring trouble free performance


39256 - spec sheet

Manufacturer Resources

Product Specs

Adapter Material:
ABS
Adapter Size:
1.5 in.
Connection Size:
1.5 in.
Dfu Rating:
20 Branch, 8 Stack
Volume:
0.029
Department:
Plumbing
Product Group:
Plumbing
Product Subgroup:
Fittings
Product Type:
Plastic Fittings
Product Finish:
White
Product Material:
ABS
Product Weight:
0.22

OATEY 39256 – Frequently Asked Questions

1) Will the Oatey 39256 Sure-Vent handle the venting load for a bathroom group or a kitchen island sink?
The 39256 Sure-Vent is rated for 20 DFU on a branch and 8 DFU on a stack, which covers a typical single bathroom group or an island sink branch. It works as a secondary vent only, so the building still needs its primary vent through the roof.
2) Is the Oatey 39256 air admittance valve code approved?
It is approved under both the International Plumbing Code and the Uniform Plumbing Code, and complies with ASSE Standard 1050 and 1051. Local jurisdictions still vary on where AAVs are permitted, so check the authority having jurisdiction for your project.
3) Can I glue this Sure-Vent adapter to PVC pipe?
No. The 39256 adapter is ABS, and ABS cement will not make a proper joint to PVC. For a PVC system use a PVC-adapter version of the Sure-Vent, or transition with a mechanical coupling before the valve.
4) At what pressure does the Sure-Vent 39256 open, and will it let sewer gas back into the room?
Sweet Spot technology opens the valve at -0.01 psi, so it admits air on the slightest negative pressure from a draining fixture, and seals at 0 psi and above so nothing vents back out. Every unit is functionally tested at 1/4 inch and 30 inch water column.
5) Does anything come with the 39256 Sure-Vent to keep dust and debris out during construction?
Each valve ships with a protective sleeve that gives you a grip for hand tightening and keeps drywall dust and debris off the sealing diaphragm. The air inlets are also screened to guard the seal from insects and debris after install.
6) What does the Oatey 39256 Sure-Vent weigh for a stocking order?
Each unit weighs 0.22 lb with a shipping volume of 0.029, so a case quantity stays light on the shelf. The valve is white ABS.
How fast can I get the OATEY 39256 delivered?
Most orders ship the same day from our distribution partners, with quick delivery throughout the continental U.S. Need it urgently? Contact Us for expedited shipping options.
Can I return it if it doesn’t work for me?
Yes—ZenSupply offers a hassle-free return policy. If the product isn’t the right fit, reach out to our support team for a return authorization or setup a return by following our return instructions.
Does the OATEY 39256 come with a warranty?
Absolutely. The OATEY 39256 is backed by a manufacturer’s warranty. For full warranty terms, check the product documentation or Contact Us.
How do I get technical support or installation help for the OATEY 39256?
You can call, text, or email our expert support team for fast answers. We’re here to help with product selection, installation tips, and troubleshooting. Contact Us
Why buy the OATEY 39256 from ZenSupply?
ZenSupply makes it easy to get the commercial door hardware you need—fast shipping, expert support, and rewards on every order. Our team is always ready to help you choose the right product for your project.
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