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NIBCO 1/2 in. Sweat X 1/2 in. D Copper Copper Air Chamber

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The NIBCO 1/2 in. Sweat X 1/2 in. D Copper Air Chamber is a compact, lead-free solution designed to tame water hammer in residential copper piping. Crafted from durable copper and…

Nibco MPN W01965C In Stock & Ready to Ship
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$11.99
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About Product Overview

The NIBCO 1/2 in. Sweat X 1/2 in. D Copper Air Chamber is a compact, lead-free solution designed to tame water hammer in residential copper piping. Crafted from durable copper and backed by NSF listing, this air chamber delivers reliable performance in everyday plumbing scenarios while keeping drinking water safe from lead exposure.

  • Copper air chamber construction provides a sturdy, corrosion-resistant buffer that dampens pressure surges when fixtures are turned off.
  • Lead-free material helps protect drinking water quality and aligns with modern safety standards.
  • 1/2 in. sweat end to 1/2 in. copper connection configuration offers a straightforward install for typical copper supply lines, with one end designed for solder (sweat) installation and the other end ready for copper piping.
  • NSF listed for peace of mind and compliance with water safety requirements.
  • Compact, single-piece design fits tight spaces under sinks or near water heaters, enabling flexible placement without bulky hardware.

This air chamber is ideal for homeowners and professionals looking to reduce sudden water pressure spikes in copper plumbing systems. Whether you’re replacing an existing hammering issue or installing a new fixture run, this 1/2 in. sweat x 1/2 in. D copper air chamber provides an effective, low-maintenance solution that blends seamlessly with standard copper piping.

Ideal use cases

  • Under sinks adjacent to cold or hot water supply lines
  • Near dishwashers, washing machines, or water heaters where sudden valve closures create shock waves
  • In tight mechanical rooms or crawl spaces where space is at a premium

Quick install tips

  1. Shut off the main water supply and relieve any pressure in the lines.
  2. Prepare the 1/2 in. copper pipe ends and ensure a clean, deburred surface.
  3. Attach the sweat end to the copper supply line as required and secure the copper connection on the other side.
  4. Carefully solder the sweat connection, then allow joints to cool before turning the water back on to check for leaks.

The Details Specifications

Brand Nibco
SKU 4211223
UPC 039923305008
Unit 0
Case Pack Quantity 5 per case
Retail Unit Quantity 1
Unit of Measure 0 0
Dimensions (L × W × H) 6 × 1 × 1
Weight 0 lbs
Cubic Feet 0.01808 ft³
Country of Origin USA
Safety Data Sheet (SDS) Manufacturer documentation · opens in new tab

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