Wilkins4"Complete assembly

Wilkins 4" 375A Reduced Pressure Assembly with OS&Y Gate Valves

Part #4-375AOSY
Device details
Wilkins 375AOSY
Sizes 4"
Part #4-375AOSY

Zurn Wilkins 375A reduced pressure assembly in 4 inch, fitted with OS&Y gate valves. Zurn part number 4-375AOSY. The 375A is the lead-free version for high health hazard connections, with a lightweight grooved body in epoxy-coated ductile iron and the Wilkins low-headloss compound check. OS&Y is one of three shutoff options Zurn offers, alongside NRS and butterfly. Approvals: ASSE 1013, AWWA C511 (with gates) and C550, IAPMO and CSA.

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Add it to a quote. We confirm price, stock and shipping, then email you an estimate. No charge until you approve.

Repair parts for this model: Wilkins 375

Ships from Rocklin, CA or pick up at our shop.
PDFManufacturer spec sheetWilkins · dimensions and approvals
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Wilkins 4" 375A Reduced Pressure Assembly with OS&Y Gate ValvesPart # 4-375AOSYPricing by quote
Pricing by quote
How quotes work
  • Add this assembly to your quote.
  • Send the quote with your details.
  • We email an estimate with price, lead time and shipping.
  • Approve it to order. No charge until you do.
Shipping & returns

Your estimate shows the shipping cost or pickup option before you approve anything.

Pickup: 4487 Pacific St, Suite E, Rocklin, CA.

Returns: see our return policy.

Frequently Asked Questions

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Why does this item say “Request a quote”?

Some items are sold by quote, such as larger sizes, special orders and items that need special shipping. Add the item to your quote and send your details. We confirm availability, shipping and price, then email you an estimate to approve. Nothing is charged until you approve it.

Can I pick up my order instead of having it shipped?

Yes. You can pick up at our shop: 4487 Pacific Street, Unit E, Rocklin, CA 95677, Monday–Friday, 7am–4pm.

Do you offer accounts for contractors?

Yes. Approved business customers can buy on net terms and get a customer portal with their invoices and statements. Send us a message to set up an account.

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