Skip to content
Free Local Pickup ● Ship to Your Hometown Store
Pro & Contractor Accounts ● Apply for Net Terms
100,000+ Products ● Trusted American Hardware Brands
FAQ Shipping & Returns Order Lookup Contact Account
Oatey Quiet Pipes 1/2 in. MIP each X 1/2 in. D MIP each Copper Water Hammer Arrester
Oatey Quiet Pipes 1/2 in. MIP each X 1/2 in. D MIP each Copper Water Hammer Arrester
Oatey Quiet Pipes 1/2 in. MIP each X 1/2 in. D MIP each Copper Water Hammer Arrester
Oatey Quiet Pipes 1/2 in. MIP each X 1/2 in. D MIP each Copper Water Hammer Arrester
Oatey Quiet Pipes 1/2 in. MIP each X 1/2 in. D MIP each Copper Water Hammer Arrester
Oatey Quiet Pipes 1/2 in. MIP each X 1/2 in. D MIP each Copper Water Hammer Arrester

Oatey Quiet Pipes 1/2 in. MIP each X 1/2 in. D MIP each Copper Water Hammer Arrester

Meet the Oatey Quiet Pipes Copper Water Hammer Arrester, a compact and dependable solution designed to stop the banging and pressure surges that plague plumbing systems. With 1/2 i…

Oatey MPN 39177
Sold Locally Only

This product isn’t sold on our website — see your local hardware store.

Typical Store Price i
Typical store price: low $13.99, average $16.99
In-Store Exclusive

This one's worth the trip to the store.

Brands like Weber, Milwaukee, Yeti, and DeWalt restrict where their products can be sold online — and for good reason. In-store buyers get authentic products, full manufacturer warranty, and access to pricing that simply isn't allowed to be advertised on the web.

  • Authorized dealer network · Full manufacturer warranty & support
  • Guaranteed authentic · No counterfeits, no gray-market resellers
  • The brands set these standards · Be wary of sellers who don't follow them
Why isn't this online? The whole story →
Shop Local · Support Independent

Every order helps keep your local hardware store on the corner.

Why we built NHG
You might find it for less locally. Independent retailers often offer competitive pricing — some products are even cheaper in-store than online.
Real expert advice — not search results. Independent hardware staff know their inventory and the local conditions you're working in.
Keep the neighborhood working. Every dollar spent at an independent retailer returns roughly 3x more to your local economy than at a national chain.

About Product Overview

Meet the Oatey Quiet Pipes Copper Water Hammer Arrester, a compact and dependable solution designed to stop the banging and pressure surges that plague plumbing systems. With 1/2 in. MIP connections on both ends, this copper arrester is built for straightforward integration into standard supply lines, providing immediate relief from water hammer in above-ground installations.

Why this matters

  • Durable copper construction stands up to everyday use in potable water systems, offering reliable performance over time.
  • Low lead content aligns with safer drinking water standards, giving you peace of mind in every drop.
  • Two 1/2 in. MIP ends simplify installation on existing copper piping without adapters or complex fittings.
  • Quiet Pipes sub-brand from Oatey is designed to reduce noise and water hammer, making for calmer, more comfortable plumbing.
  • Carded, single-pack packaging makes replacement quick and convenient at the point of use.
  • Not intended for underground use—optimized for above-ground residential or light commercial applications where water hammer is a concern.

Practical uses and scenarios

  • Install near the water heater, sinks, or dishwashers where quick valve shutoff often causes hammering.
  • Ideal for longer hot or cold water runs in basements, laundry rooms, or utility spaces where pressure surges are most noticeable.
  • Suitable for potable water systems that require a durable, long-lasting arrester with easy-to-connect 1/2 in. MIP threads.

How it helps you

  • Reduces pipe noise and water hammer, improving comfort and protecting your plumbing from wear caused by pressure shocks.
  • Simple, reliable installation with standard threaded fittings means you can upgrade your system without a retrofit or specialized tools.
  • Low lead construction ensures safer water delivery without compromising performance.

In short, the Oatey Quiet Pipes Copper Water Hammer Arrester is a practical, value-driven upgrade for any above-ground copper plumbing run. It delivers quiet, effective protection against water hammer with straightforward installation and materials you can trust for everyday use.

The Details Specifications

Brand Oatey
SKU 4694972
UPC 038753391779
Unit 0
Case Pack Quantity 6 per case
Retail Unit Quantity 1
Unit of Measure 0 0
Dimensions (L × W × H) 1 × 4 × 7
Weight 0 lbs
Cubic Feet 0.04053 ft³
Country of Origin CHINA
Safety Data Sheet (SDS) Manufacturer documentation · opens in new tab

Ask our counter. Or theirs.

Most hardware stores can do more than you think. If we can't help you, the folks down the street probably can — just ask at the counter.

What we offer
Free Local Pickup Ship to your hometown store
Pro & Gov Accounts Net terms · tax-exempt
Ships Nationwide From our distribution network
Independent Network Real hardware stores
$0.68 of every dollar spent at a local independent business stays in the community. At a national chain, it's about fifteen cents. Civic Economics, multi-city retail studies
Their Counter
Try local first · we'll wait

The stores we send you to are local and independently run — often for generations, the kind of place where someone behind the counter knows the regulars. We don't own them. We just think they deserve the foot traffic. They can put most of what we sell on their next truck. Ask there before you check out here.

Find a local store →
Mon–Fri 6–5 PST
Independent hardware retailer? Join the network →
About our directory. National Hardware Group is an independent retailer and directory. The local stores we list and link to are separately owned and operated — we have no ownership stake in any of them, and most pay us nothing to be included. That includes plenty of stores flying a co-op banner that people don't realize are locally owned and run, not operated by a corporation. Store owners can choose to upgrade their listing for an enhanced presence or pickup features, but the base directory is free, and inclusion is never a paid endorsement.

Compare products

{"one"=>"Select 2 or 3 items to compare", "other"=>"{{ count }} of 3 items selected"}

Select first item to compare

Select second item to compare

Select third item to compare

Compare