Quadtro PEX Washing Machine Box with Valves

Updated October 15, 2026

Brand: Oatey Model: 38528 Retail Price: $54 The Oatey Quadtro Washing Machine Outlet Box is made for commercial or residential applications where supply valves and waste drains are recessed into the wall. The proprietary lock and load valves enable left, right or center positioning of the drain pipe. This easy-to-install box includes all necessary support brackets to mount the water supply valves from the top or bottom. Oatey products have earned the trust of plumbing professionals for over 100 years.. Quadtro residential and commercial washing machine outlet box. 2 in. drain opening fits PVC or ABS Sch. 40 DWV pipe. Easy-to-remove, tool-free 1/4-turn knockout. Snap-on faceplate frame accommodates up to 1 in. drywall. Box made of high impact polystyrene stands up to the roughest job site abuse. Connects to PEX supply line with F1807 connection. 4 support brackets included for easy top or bottom valve mounting. Two proprietary lock and load 1/4-turn valves enable left, right or center positioning of the drain pipe. Four openings accommodate: A hot water PEX-compatible valve, a cold water PEX-compatible valve, PVC or ABS Sch. 40 drain pipe for connection to your DWV system, and the option for top-down supply line installation. Box Dimensions: 9.43 in. W x 9.61 in. H x 3.73 in. D Box Opening Dimensions: 8-3/4 in. W x 7.26 in. H. Faceplate Dimensions: 11.73 in. W x 10.19 in. H. Accommodates 2 hammer arrestors, sold separately, to reduce noise and protect pipes. Compatible Pipe Material: PEX. Connection: PEX Barb x PEX Barb. Maximum Working Temperature (F): 120. Material: Plastic. Application: Refrigeration. Disclaimer : DISCLAIMER: This listing contains a stock image of the item to be auctioned, in order to illustrate the item’s design and functionality when new. However, this stock image is provided for ILLUSTRATION PURPOSES ONLY and cannot be relied upon by any bidder. Instead, actual photos of the specific item up for auction are provided within the gallery. Any written overview regarding features, operations, or capabilities reflects the item’s original specification when new and does not guarantee current condition or complete performance. The absence of any description by Rockey Auction of the item to be auctioned does not establish an implied representation that it is new or functional. It is a bidder's sole responsibility to inspect all actual product photos, read descriptions carefully, and perform any desired pre-bid inspections or inquiries. Bids placed constitute full acknowledgment and satisfaction with the item's condition along with Rockey Auction’s terms AND CONDITIONS of sale, which can be found in full in the tab below.

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