Boshart FHBBARB Series Barb x ...
IN STOCK (leaves warehouse same day if ordered before 3pm ET)
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Boshart FHBBARB Series Barb x Threaded Brass Adapter Fitting

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Model: FHB-BARB90XMPT0

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

$2.91
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Boshart FHBBARB Series Barb x Threaded Adapter Fitting

The Boshart FHBBARB Series is a line of barb-to-threaded transition adapters built for plumbers and contractors who need a fast, reliable connection between barbed tubing and threaded pipe fittings in rough-in, repair, and frost-free hydrant applications. This family covers configurations from a straight 3/4" barb x 3/4" FPT adapter (FHB-BARBXFPT121) to a 90° barb x MPT elbow adapter (FHB-BARB90XMPT0), giving installers a barb-to-thread transition option whether they need a straight run or a directional change. Across the line, one end features a barbed connection for push-on tubing attachment while the opposite end is threaded — either female iron pipe thread (FPT) or male iron pipe thread (MPT) depending on the option selected — for connecting directly to a threaded fitting, valve, or hydrant body. These adapters are intended to be installed by a trade professional as part of a larger supply or hydrant assembly rather than as standalone consumer fixtures.

Key Features

  • Trade Size: 3/4" barb by 3/4" threaded connection sized to match standard 3/4" hydrant and supply-line hardware.
  • Barb x Threaded Configuration: One end features a barbed connection for push-on tubing attachment; the threaded end is available as FPT (straight) or MPT (90° elbow) depending on the model selected.
  • FHBBARB Series: Part of Boshart's FHBBARB line of barbed adapter fittings, engineered to work alongside compatible frost-free hydrant and rough-in plumbing components.
  • Straight and 90° Options: Choose the straight barb x FPT adapter for in-line transitions or the 90° barb x MPT adapter when a directional change is needed within the assembly.
  • Rough-In Application: Suited for use behind walls, underground, or in exterior hydrant assemblies where a barb-to-thread transition is needed to complete the run.
  • Single-Fitting Simplicity: A single compact adapter reduces the number of transition pieces needed when tying barbed tubing into a threaded system.

Technical Specifications

  • Series: FHBBARB
  • Trade Size: 3/4" Barb x 3/4" Threaded (FPT or MPT)
  • Models: FHB-BARB90XMPT0 (90° Barb x MPT), FHB-BARBXFPT121 (Barb x FPT)
  • Refer to manufacturer documentation for complete technical specifications.

Typical Applications

  • Frost-Free Hydrant Rough-In and Repair
  • Outdoor Hose Bib and Yard Hydrant Connections
  • Barbed Tubing to Threaded Fitting Transitions
  • Residential and Commercial Rough-In Plumbing
  • New Construction and Renovation Water Supply Runs

Why Boshart?

Boshart is a recognized manufacturer of rough-in plumbing fittings and hydrant components trusted by contractors for straightforward, dependable connections in the field. The FHBBARB Series gives installers a simple, purpose-fit family of barb-to-threaded transition pieces — straight or 90° — for tying barbed tubing into threaded plumbing assemblies, helping keep hydrant and supply-line installations efficient and consistent on the job site.

Manufacturer Resources

Product Specs

list_batch:
BOS-20260923
Product Type:
Adapter Fitting
Series:
FHBBARB
Connection Type:
Barb x Threaded
Department:
Plumbing
Product Subgroup:
Adapters
Product Size:
3/4"
Product Group:
Plumbing Fittings

Boshart FHB-BARB90XMPT0 – Frequently Asked Questions

1) What is the difference between the two Boshart FHBBARB barb adapters, FHB-BARBXFPT121 and FHB-BARB90XMPT0?
Both are 3/4 inch barb to 3/4 inch threaded transitions, but they differ in shape and thread gender. FHB-BARBXFPT121 is a straight adapter with a female pipe thread (FPT) end, so it threads onto a male nipple or hydrant stem for an in-line run. FHB-BARB90XMPT0 is a 90 degree elbow with a male pipe thread (MPT) end, for threading into a female port where the tubing has to turn.
2) Which Boshart FHBBARB adapter do I need for a frost-free yard hydrant rough-in?
It depends on the port you are tying into. If the hydrant body or valve gives you a male thread, use the straight FHB-BARBXFPT121, whose FPT end screws over it. If the port is female and the tubing has to turn at the connection, use the 90 degree FHB-BARB90XMPT0 with its MPT end. Both are sized 3/4 inch to match standard 3/4 inch hydrant and supply-line hardware, and both are meant to be installed as part of a larger hydrant or supply assembly.
3) Will a Boshart FHBBARB adapter connect 3/4 inch barbed tubing to threaded pipe?
That is exactly what it does. One end is a barb for push-on tubing, the other is pipe thread, and both ends are 3/4 inch. So 3/4 inch barb tubing on one side, 3/4 inch NPT fitting, valve or hydrant body on the other. Sizes other than 3/4 inch are not part of the FHBBARB barb adapter offering.
4) Can these barb adapters be buried or installed behind a wall?
Yes. The FHBBARB adapters are rough-in parts, intended for use behind walls, underground, or in exterior hydrant assemblies where a barb-to-thread transition completes the run. They are not finish fixtures and are meant to be installed by a trade professional inside a larger supply or hydrant assembly.
5) Can I use one fitting instead of stacking an elbow and an adapter to make the turn?
Yes, and that is the point of the 90 degree FHB-BARB90XMPT0. It combines the direction change and the barb-to-thread transition in one compact body, so you are not stacking a separate elbow on top of a barb adapter in a tight rough-in cavity or hydrant pit.
6) Do I need a clamp with the Boshart barb x thread adapter, and is thread sealant required?
The barb end is a push-on connection for barbed tubing, so it is secured by the tubing and whatever clamp your tubing system calls for; no clamp ships with the fitting. On the threaded side, standard pipe-thread practice applies: tape or dope the male thread, whether that is the MPT end of the 90 degree FHB-BARB90XMPT0 or the male nipple you are screwing the FPT of FHB-BARBXFPT121 onto.
7) Is the Boshart FHBBARB adapter brass?
Yes, the FHBBARB Series barb x threaded adapters are brass fittings, sold as a 3/4 inch barb by 3/4 inch threaded transition in either the straight FPT or 90 degree MPT configuration.
How fast can I get the Boshart FHB-BARB90XMPT0 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 FHB-BARB90XMPT0 come with a warranty?
Absolutely. The Boshart FHB-BARB90XMPT0 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 FHB-BARB90XMPT0?
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 FHB-BARB90XMPT0 from ZenSupply?
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