Ames3"Complete assembly

AMES - 3" 4000SS RPA NRS LEAD FREE

Part #4000SSN-3
Device details
Ames 4000SS
Sizes 3"
Part #4000SSN-3

Ames 4000SS reduced pressure assembly in 3 inch, lead-free, with NRS shutoff valves; part number 4000SSN-3. Ames designs it to protect potable water supplies in line with national plumbing codes. The 300 series stainless steel body has a short lay length and weighs about half as much as competing designs. Its patented cam-checks are thermoplastic with stainless hinge pins, cam arm and cam bearing on a single torsion spring, and the stainless relief valve uses a rolling diaphragm with no sliding seals. Ratings: 175 psi, 33 to 110°F, AWWA C511.

Pricing by quote
How it works

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

Ships from Rocklin, CA or pick up at our shop.
PDFManufacturer spec sheetAmes · dimensions and approvals
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Questions about fit?

Call (916) 251-7071 or send us a message.

AMES - 3" 4000SS RPA NRS LEAD FREEPart # 4000SSN-3Pricing 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

How do I find repair parts for this assembly?

Use our Repair Parts Finder: pick the brand, size and model of the assembly to see the repair parts listed for it. Not sure? Send us a message with the brand, size and model from the assembly's tag.

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.

Authorized dealerWatts, Febco, Wilkins, Apollo, Ames, Deringer
BBB accreditedBetter Business Bureau
1,000+ parts in stockReady to ship or pick up
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