OATEY 38540 Quadtro, 1/4 Turn,...
IN STOCK (leaves warehouse same day if ordered before 3pm ET)
$268.57
$218.57
OATEY 38540 Quadtro, 1/4 Turn, Copper, Hammer Arrestor, Washing Machine Outlet Box – Standard Pack

OATEY 38540 Quadtro, 1/4 Turn, Copper, Hammer Arrestor, Washing Machine Outlet Box – Standard Pack

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Model: 38540
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In Stock (leaves warehouse same day if ordered before 3pm ET)

$268.57
$218.57
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Quadtro, 1/4 Turn, Copper, Hammer Arrestor, Washing Machine Outlet Box – Standard Pack

  • Features

    • Valves available in no hammer or hammer options
    • Box made of high impact polystyrene
    • Top or Bottom Valve Mount
    • Easy to remove 1/4 turn knockout
    • Snap-on Faceplate Frame accommodates up to 1" drywall
    • 4 support brackets included for mounting
    • 2" drain opening fits PVC or ABS Sch. 40 DWV pipe


38540 - spec sheet

Manufacturer Resources

Product Specs

Box Dimensions:
8-3/4"W x 7-1/2"H x 3-5/8"D
Faceplate Dimensions:
11-3/4"W x 10-1/8"H
Volume:
0.246
Department:
Plumbing
Product Group:
Plumbing Boxes
Product Subgroup:
Appliance Outlet Boxes
Product Type:
Washer Outlet Box
Product Finish:
White
Lever Type Details:
Standard
Product Material:
High Impact Polystyrene
Product Weight:
2.8

OATEY 38540 – Frequently Asked Questions

1) What kind of supply connections are on the Oatey 38540 laundry box?
Copper, with quarter-turn valves. That means you're sweating or using a copper-compatible transition at the box rather than making a threaded or PEX crimp connection directly to it, so plan your rough-in piping accordingly.
2) Does the Oatey 38540 Quadtro include water hammer arrestors, or do I add them separately?
Arrestors are built in. The 38540 is the hammer arrestor version of the Quadtro, so you don't pipe separate arrestors at the laundry valves. Oatey also builds the same box in a no-hammer valve configuration if you already have arrestors upstream.
3) Can the valves on the Oatey Quadtro box be mounted at the top instead of the bottom?
Both orientations work. The Quadtro is built for top or bottom valve mount, and the quarter-turn knockout is easy to remove, so you can orient the box to suit where the supplies come into the wall instead of re-routing pipe.
4) Does the Oatey 38540 come with mounting hardware, or do I need to frame blocking for it?
Four support brackets ship with the box for mounting to the studs, so you don't need to add blocking to carry it. At 2.8 pounds it's light enough for one person to set and fasten while the wall is open.
5) What is the exact part number to order the copper quarter-turn Quadtro with hammer arrestor?
Oatey 38540 is the part number, UPC 038753385402, sold as a standard pack. That specific number is the copper, quarter-turn, hammer-arrestor configuration; Oatey builds other Quadtro numbers for the no-hammer valve option, so the number is what separates them.
6) Is the Oatey Quadtro box durable enough for rental and multi-family laundry closets?
The housing is high impact polystyrene in white, which holds up to the knocks a laundry closet takes and matches standard white wall finishes across a building. For property managers standardizing units, the 38540 gives you the same box, same copper quarter-turn valves, and same 2 inch DWV drain opening on every rough-in.
How fast can I get the OATEY 38540 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 38540 come with a warranty?
Absolutely. The OATEY 38540 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 38540?
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 38540 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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