A.Y. McDonald Bronze Ball Valv...
IN STOCK (leaves warehouse same day if ordered before 3pm ET)
$128.45
A.Y. McDonald Bronze Ball Valve, FIP Connections

A.Y. McDonald Bronze Ball Valve, FIP Connections

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Model: 76101-3/4

In Stock (leaves warehouse same day if ordered before 3pm ET)

$128.45
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A.Y. McDonald 76101 3/4" Bronze Ball Valve, FIP Connections

The A.Y. McDonald 76101 is a 3/4" bronze ball valve built with female iron pipe (FIP) threaded connections for rough-in plumbing and shut-off applications behind the wall or under the floor. Identified in manufacturer records as model 76101-3/4 (AYM 5129-173), this valve is designed for plumbers and contractors who need a dependable full-port shut-off on copper, brass, or threaded steel supply lines. The bronze body construction is a common choice for potable water and general plumbing shut-off service where a compact, threaded, quarter-turn valve is required. As a trade rough-in component, the 76101 is intended for installation by a licensed plumber or contractor as part of a larger supply or distribution run, not as a finished decorative fixture.

Key Features

  • Trade Size: 3/4" nominal size for standard residential and light commercial supply line branches.
  • Bronze Construction: Bronze body construction supports use in general plumbing shut-off applications where corrosion resistance is a priority.
  • FIP Threaded Connections: Female iron pipe (FIP) threads on both ends allow direct connection to male-threaded pipe, nipples, or fittings without additional adapters.
  • Ball Valve Design: Quarter-turn ball valve operation provides quick, positive on/off shut-off for isolating a section of a plumbing run during service or repair.
  • Model Reference: Manufactured by A.Y. McDonald under model 76101-3/4, cross-referenced as AYM 5129-173, for accurate ordering and replacement matching.

Technical Specifications

  • Model: 76101-3/4
  • Cross Reference: AYM 5129-173
  • Trade Size: 3/4"
  • Connection Type: FIP (Female Iron Pipe) threaded
  • Valve Type: Ball Valve
  • Body Material: Bronze

Typical Applications

  • Residential and Commercial Rough-In Plumbing
  • Water Supply Line Shut-Off and Isolation
  • Threaded Pipe and Fitting Connections
  • Renovation and New Construction Plumbing Runs
  • Replacement of Existing Bronze Ball Valves

Why A.Y. McDonald?

A.Y. McDonald is a long-established name in plumbing and waterworks supply, and the 76101 bronze ball valve reflects the straightforward, threaded construction that plumbers rely on for dependable shut-off in rough-in work. With FIP connections on a 3/4" bronze body, this valve is built to integrate cleanly into standard threaded supply runs. Stock the A.Y. McDonald 76101 for jobs where a compact, quarter-turn bronze shut-off valve is called for.

Manufacturer Resources

Product Specs

Product Subgroup:
Plumbing
list_batch:
AYM-20260924
Product Group:
Plumbing
Product Type:
Ball Valve
Department:
Plumbing
Connection Type:
Threaded

A.Y. McDonald 76101-3/4 – Frequently Asked Questions

1) What sizes does the A.Y. McDonald 76101 bronze ball valve come in?
The 76101 bronze ball valve is offered in two trade sizes, 3/4 inch (model 76101-3/4) and 1 inch (model 76101-1IN). Both are threaded FIP on each end, so pick the size that matches the branch line you are isolating.
2) Can I thread the 76101 valve straight onto copper tubing?
No. The 76101 has female iron pipe threads on both ends, so it mates with male-threaded pipe, nipples, or fittings. To tie into copper you need a male adapter (sweat or press to MIP) threaded into each side of the valve. If you want a valve that solders directly to tube, you want a sweat-end ball valve instead.
3) Can the 76101 replace an existing bronze ball valve in a threaded line?
Yes, provided the existing valve is threaded and the same trade size. With FIP ends in 3/4 inch and 1 inch, the 76101 drops into a threaded run where the old valve came out, using new nipples or unions as the layout requires. It will not substitute for a sweat, press, or compression valve without adapters.
4) Is the A.Y. McDonald 76101 a full port valve?
Yes, the 76101 is described as a full-port bronze shut-off, meaning the ball bore matches the line size so the valve does not restrict flow the way a standard-port valve does. It operates quarter-turn for positive on/off isolation.
5) Is a bronze body valve okay for potable water supply lines?
Bronze is the standard body material for general plumbing shut-off and potable water service because of its corrosion resistance, and the 76101 is built for exactly that duty in residential and light commercial supply branches.
6) What is AYM 5129-173, and is it the same valve as the 76101?
AYM 5129-173 is A.Y. McDonald's cross-reference for the 3/4 inch 76101, sold as model 76101-3/4. If a spec sheet or an old invoice shows 5129-173, ordering the 3/4 inch 76101 gets you the same valve.
7) Where in a plumbing run does this valve belong?
The 76101 is a rough-in component, meant to go in behind the wall or under the floor as a branch isolation or shut-off point on a supply or distribution run. It is not a finished trim or fixture stop, and it is intended for installation by a licensed plumber or contractor.
How fast can I get the A.Y. McDonald 76101-3/4 delivered?
Most orders ship the same day from our distribution partners, with quick delivery throughout the continental U.S. Need it urgently? Contact Us for expedited shipping options.
Can I return it if it doesn’t work for me?
Yes—ZenSupply offers a hassle-free return policy. If the product isn’t the right fit, reach out to our support team for a return authorization or setup a return by following our return instructions.
Does the A.Y. McDonald 76101-3/4 come with a warranty?
Absolutely. The A.Y. McDonald 76101-3/4 is backed by a manufacturer’s warranty. For full warranty terms, check the product documentation or Contact Us.
How do I get technical support or installation help for the A.Y. McDonald 76101-3/4?
You can call, text, or email our expert support team for fast answers. We’re here to help with product selection, installation tips, and troubleshooting. Contact Us
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