Boshart NIPGL86 NIPGL Series G...
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Boshart NIPGL86 NIPGL Series Galvanized Steel Close Pipe Nipple, 3" - 4"

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Model: NIPGL3XCL

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

$6.94
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Boshart NIPGL Series Galvanized Steel Close Pipe Nipple

The Boshart NIPGL Series close pipe nipple is a galvanized steel threaded connector built for rough-in plumbing and mechanical piping runs where a short connector is needed between two fittings or a fitting and a valve. This family is available in 3" and 4" nominal pipe sizes, giving contractors a larger-diameter option for mechanical rooms, utility piping, and equipment connections. Manufactured from galvanized steel for corrosion resistance in exposed and utility piping applications, every size in the NIPGL Series is threaded on both ends to join directly with standard IPS-threaded fittings, valves, and equipment connections. As a close nipple, the design has no unthreaded shoulder between the two thread runs, allowing fittings to be joined back-to-back in tight spaces where a standard-length nipple will not fit. Plumbers and contractors rely on close nipples like this one for compact transitions in mechanical rooms, water heater connections, pump and equipment hookups, and any application where two threaded fittings need to be joined directly with minimal added length.

Key Features

  • Trade Size Range: Available in 3" and 4" nominal pipe size for larger-diameter mechanical and rough-in piping runs.
  • Close Nipple Configuration: No unthreaded shoulder between thread runs, letting two fittings be joined directly for the shortest possible connection length.
  • Durable Construction: Galvanized steel construction resists corrosion in exposed, damp, or utility piping environments.
  • Threaded Connection: Male threaded on both ends for direct mating with standard IPS-threaded fittings, valves, and equipment ports.
  • NIPGL Series: Part of Boshart's NIPGL galvanized nipple series, sized and threaded for compatibility with standard galvanized and black iron fitting systems.
  • Compact Design: Ideal for tight-clearance installations where a full-length nipple would not fit between adjoining fittings.

Technical Specifications

  • Product Type: Pipe Nipple
  • Trade Size Options: 3", 4"
  • Length Configuration: Close
  • Material: Galvanized Steel
  • Series: NIPGL

Typical Applications

  • Mechanical Room and Utility Piping Connections
  • Water Heater and Equipment Hookups
  • Rough-In Plumbing Fitting-to-Fitting Transitions
  • Pump and Valve Assembly Connections
  • Tight-Clearance Threaded Piping Runs

Why Boshart?

Boshart manufactures its NIPGL Series nipples from galvanized steel to provide reliable, corrosion-resistant threaded connections for demanding rough-in and mechanical piping applications across its 3" and 4" size options. Plumbers and contractors turn to Boshart for consistently sized and threaded fittings that make tight-clearance installations straightforward and dependable, regardless of which size in the NIPGL Series is selected for the job.

Manufacturer Resources

Product Specs

list_batch:
BOS-20260923
Product Type:
Pipe Nipple
Configuration:
Close
Series:
NIPGL
Department:
Plumbing
Product Subgroup:
Fittings and Valves
Product Material:
Galvanized Steel
Product Size:
3" - 4"
Product Group:
Fitting

Boshart NIPGL3XCL – Frequently Asked Questions

1) What is a close nipple, and when should I use one instead of a standard-length pipe nipple?
A close nipple is threaded end to end with no unthreaded shoulder in the middle, so two fittings screw on back to back and you get the shortest possible connection. The Boshart NIPGL Series close nipple is what you reach for when a standard-length nipple adds too much overall length, for example joining a valve directly to a fitting in a tight mechanical room. If you need a measured gap between the two fittings, use a cut-length nipple instead, since a close nipple gives you no control over spacing.
2) Will this nipple thread into my existing galvanized or black iron fittings?
Yes. The NIPGL close nipple is male threaded on both ends to standard IPS threads, so it mates directly with standard IPS-threaded fittings, valves and equipment ports, including standard galvanized and black iron fitting systems. Match the trade size, 3 inch or 4 inch, to your pipe size.
3) What sizes does the Boshart NIPGL galvanized close nipple come in?
Two trade sizes: 3 inch and 4 inch nominal pipe size. The 3 inch orders as NIPGL3XCL and the 4 inch as NIPGL4XCL. If your run is smaller than 3 inch, this pair of sizes will not cover it.
4) Is a galvanized steel nipple the right choice for a damp mechanical room or exposed utility piping?
Galvanized steel is the material here, chosen for corrosion resistance in exposed, damp and utility piping environments, which is why these show up on water heater and pump hookups and in mechanical rooms. For potable water systems in buildings where steel has been replaced with brass or copper, you would be mixing materials at the joint, so check what the rest of the run is built from before you thread this in.
5) Which part number do I order for a 4 inch galvanized close nipple from Boshart?
NIPGL4XCL is the 4 inch in Boshart's NIPGL galvanized steel close nipple series. The 3 inch counterpart is NIPGL3XCL. Both are close configuration, so the only thing you are specifying is trade size.
6) Can I use this to connect two fittings back to back on a pump or water heater hookup?
That is exactly the application. With no shoulder between the thread runs, the nipple lets two threaded fittings be joined directly for the shortest connection, which is what tight pump, valve assembly and water heater hookups need. Just remember a close nipple sets the spacing for you, so if the two fittings need clearance between them for insulation or a wrench, size up to a cut-length nipple.
7) Do I need pipe dope or tape on a galvanized close nipple?
Yes, threaded steel joints are sealed with a thread sealant or PTFE tape, and none is supplied with the nipple. Because a close nipple is threaded its full length, there is no flat wrench surface in the middle, so plan on a pipe wrench gripping the threads or a nipple wrench, and order sealant separately.
How fast can I get the Boshart NIPGL3XCL 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 Boshart NIPGL3XCL come with a warranty?
Absolutely. The Boshart NIPGL3XCL 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 Boshart NIPGL3XCL?
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 Boshart NIPGL3XCL from ZenSupply?
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