A.Y. McDonald 5140-102 CTS x M...
IN STOCK (leaves warehouse same day if ordered before 3pm ET)
$94.29
$38.20
A.Y. McDonald 5140-102 74779M-22 3/4 QUARTER BEND CTS X MNPT -NL

A.Y. McDonald 5140-102 CTS x MNPT Quarter Bend, No-Lead

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Model: 5140-102
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In Stock (leaves warehouse same day if ordered before 3pm ET)

$94.29
$38.20
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A.Y. McDonald 5140-102 CTS x MNPT Quarter Bend, No-Lead

The A.Y. McDonald 5140-102 (74779M-22) is a 3/4" Quarter Bend fitting engineered to transition CTS tubing to male national pipe thread (MNPT) connections in potable water and plumbing applications. Manufactured to No-Lead (-NL) standards, this fitting delivers a reliable 90-degree directional change for water service lines where a CTS-to-MNPT transition is required. As part of A.Y. McDonald's trusted line of waterworks and plumbing fittings, the 5140-102 is built for durable, code-compliant performance in both residential and commercial installations, whether routed underground on a new service line or above grade during a remodel.

Key Features

  • Trade Size: 3/4" for standard residential and light commercial water service connections.
  • Connection Type: CTS x MNPT configuration allows a direct transition from copper tube size (CTS) tubing to male national pipe thread fittings without additional adapters.
  • Configuration: Quarter Bend design provides a precise 90-degree turn, simplifying routing around obstacles, foundation walls, and tight installation spaces.
  • No-Lead Compliant: Manufactured to -NL (No-Lead) specifications, supporting compliance with modern low-lead plumbing requirements for potable water systems.
  • Model Reference: Identified as model 74779M-22, ensuring accurate cross-reference for replacement, stocking, and specification matching in the field.
  • Durable Fitting Design: Built for dependable, long-service performance in both underground and above-grade water distribution applications.
  • Consistent Sizing: Standardized 3/4" CTS x MNPT dimensions ensure predictable fit-up with common tubing and threaded pipe found on residential and light commercial service lines.

Certifications & Compliance

  • No-Lead (-NL) Compliant

Technical Specifications

  • Product Type: Elbow
  • Trade Size: 3/4"
  • Connection Type: CTS x MNPT
  • Configuration: Quarter Bend

Typical Applications

  • Residential Water Service Lines
  • Commercial Plumbing Installations
  • CTS Tubing to Threaded Pipe Transitions
  • Potable Water Distribution Systems
  • New Construction and Renovation Plumbing

Why A.Y. McDonald?

A.Y. McDonald's 5140-102 quarter bend is built to meet No-Lead plumbing requirements, giving contractors and utilities a dependable fitting for potable water applications. With its precise CTS x MNPT configuration and 90-degree quarter bend geometry, this fitting simplifies transitions between tubing and threaded pipe, supporting efficient, code-compliant installations across residential and commercial water service work. Choose A.Y. McDonald for consistent quality and reliable performance in waterworks and plumbing fittings.

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Manufacturer Resources

Product Specs

Department:
Plumbing
Product Group:
Plumbing
Product Subgroup:
Pipe Fittings
Product Type:
Elbow

A.Y. McDonald 5140-102 – Frequently Asked Questions

1) Is the A.Y. McDonald 74779M-22 elbow lead free for potable water?
Yes. The -NL suffix on the 74779M-22 quarter bend designates the no-lead version, which is the one specified for potable drinking water service.
2) What part number do I order for the 3/4 inch no-lead CTS x MNPT quarter bend from A.Y. McDonald?
Order it as A.Y. McDonald 5140-102, the manufacturer's 74779M-22 3/4 inch quarter bend, CTS by male NPT, no-lead. There is one configuration, so no size or finish option has to be specified.
3) Do I need to seal the male NPT end of this A.Y. McDonald quarter bend when I install it?
Yes. The threaded end is tapered male NPT, which seals on the threads, so it needs PTFE tape or an approved thread sealant rated for potable water. The CTS side is a tube connection and is made up per that joint type instead.
How fast can I get the A.Y. McDonald 5140-102 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 5140-102 come with a warranty?
Absolutely. The A.Y. McDonald 5140-102 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 5140-102?
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
Why buy the A.Y. McDonald 5140-102 from ZenSupply?
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