• Skip to primary navigation
  • Skip to main content
  • Skip to footer

101 North Branch Road, Oakdale, PA 15071

Hennemuth logo

Hennemuth Metal Fabricators

Manufacturers and Distributors to the HVAC Trade

Request a Quote

For Fastest Service, Call 724-693-9605

  • Ductwork
    • Spiral Ductwork
    • Rectangular Ductwork
    • Flexible Ductwork
    • All Duct Products
    • Fittings & Connectors
  • Products
    • Commercial Ductwork 
    • Rooftop Supports
    • Zoning Products
    • Venting Products
    • Grilles, Registers & Diffusers
    • Round Grilles, Registers & Diffusers
    • Spiral Grilles, Registers & Diffusers
    • Installation Tools & Supplies
  • Services
    • Ductwork Fabrication
    • Custom Fabrication
    • Commercial Fabrication
    • Residential Ductwork
    • CNC Plasma Cutting
    • Sheet Metal Fabrication
    • Ductwork Design
    • Ductwork Pickup and Delivery
  • Industries
    • Retail
    • Shopping Malls
    • Schools
    • Restaurants
    • Offices
  • About Us
    • Service Areas
      • Pittsburgh
      • Cleveland
      • Morgantown
      • Youngstown
    • Blog
    • Employment Opportunties
    • Why Hennemuth?
    • Vendors
    • Frequently Asked Questions
  • Contact Us
  • Request a Quote

Ductwork Fittings & Connectors

Home / Products / Ductwork Fittings & Connectors

At Hennemuth Metal Fabricators, we make repairing and completing projects a breeze with a wide selection of pre-made and customizable products. Shop Hennemuth for a great selection of fittings and connectors for all your duct needs. Craft your systems to your unique specifications in the required sizes for success.

Request a Quote

Ductwork Fittings and Connectors in Pittsburgh, Pennsylvania

From duct pipe fittings to ducting couplings, we offer a comprehensive selection tailored to meet your needs. Serving a 200-mile radius around Pittsburgh, Pennsylvania, we maintain an extensive inventory and offer custom fabrication services to make repairing and completing projects seamless. Our metal ductwork fittings include everything from rectangular flexible duct connectors to specialized duct pipe fittings.

We utilize precise measurements and state-of-the-art equipment to produce quality products that integrate flawlessly with existing systems. Whether you're working on a residential, commercial or industrial HVAC project, our team offers the expertise and resources to support your needs effectively.

How We Ensure Our Ductwork Products Will Fit

When working with Hennemuth Metal Fabricators, you will receive prioritized service. Our team will work with you to understand all project details, allowing us to decide on the best approach. During this consultation stage, we will review materials like blueprints and pictures to better understand the job and goals for the proposed HVAC system.

We have a wide range of duct connectors in Pittsburgh, PA, that are readily available for use, as we keep them stocked for any project requiring them. If our team determines the most effective solution for your job is a unique ductwork piece, we can complete it in our in-house manufacturing facility. With our reputation as a premier ductwork manufacturer, we can create any design. Our team will:

  • Communicate with you throughout the process to find the ideal style.
  • Utilize advanced software that will produce a project estimate.
  • Review every order with you to ensure our materials are correct.
  • Create designs that comply with SMACNA code standards.

Our team of professionals specializes in providing custom pipes and fittings that are ideal for HVAC contractors. Whether working on a residential or commercial project, our solutions enable you to finish the job quickly without cutting corners. Other fabricators create a handful of pipe and fitting sizes — we step outside the mold with a wide range of products available for a seamless fit.

With Hennemuth Metal Fabricators, you can browse our stainless steel products by category. From round spiral duct fittings to oval-shaped and rectangular flexible duct connectors, we will get you what you need to meet the deadline you've specified with your client.

 

Pipe and Fittings Available in Various Dimensions

We understand the supplies necessary for HVAC installations and repairs change constantly. Therefore, we offer stainless steel spiral pipe and spiral duct fittings in multiple sizes so that you stay productive on the clock. Get the connection pieces necessary to control the flow of cool or warm air in residential and commercial buildings. Select pre-made product options are fabricated to 45- or 90-degree angles.

Our site features an array of round and oval pipe and spiral duct fittings you can use to service systems in tight spaces. Our customer representatives will happily explain your options for straight and angled pieces, including:

  • Pipe supports
  • Elbows
  • Round takeoffs
  • Saddle taps
  • Tees
  • Dampers
  • Register boxes
  • Register boots
  • End boots

Select pre-made product options are fabricated to 45- or 90-degree angles.

Round Pipe & Duct Fittings

Our exhaustive selection of round pipe and duct fittings is designed to meet various HVAC needs.

Snaplock pipe - 2',5'&10' 24,26&30 Gauge

Pipe - 2', 5' & 10'
24', 26' & 30' Gauge

Metal Pipe Support

Pipe Supports

Adjustable elbow - Elbow 90º 24, 26 & 30 Gauge

Elbow 90º
24', 26' & 30' Gauge

Adjustable round to round Top Takeoff - 2" Rise

Round to Round
Adjustable Top Takeoff
2" Rise

Square to Round Non-Adjustable Top Takeoff

Square to Round Non-Adjustable Top Takeoff

Square to Round Adjustable Top Takeoff 1' 1/4" Rise

Square to Round
Adjustable Top Takeoff
1 1/4" Rise

Sticky Top Takeoff Adhesive Elbow

Sticky Top Takeoff Adhesive Elbow

Sticky take off with damper

Round Takeoff
with Damper & Adhesive
Airtight Base

High Efficency Take off

High-Efficiency Takeoff
with Damper & Adhesive
Airtight Base

Saddle Tap

Saddle Tap

A-Collar Round Duct Crimped

A-Collar
Crimped

B-Collar Round Duct

B-Collar
No Crimp

K-Collar Round Duct 6" Long

K-Collar
6" Long

Draw Band

Draw Band

Round Cap No Crimp

Round Cap
No Crimp

Tee duct connector

Tee

Flue Wye

Flue Wyes
Adjustable

Wye for venting and ducts

Branch Wyes

Reducer / Increaser No Crimp

Reducer / Increaser
No Crimp

Damper blade

Damper
Single Bearing

Damper Double Bearing

Damper
Double Bearing

Register Box

Register Box

Basement Head

Basement Head

Straight Boot

Straight Boot

Elbow Boot

Elbow Boot

End Boot

End Boot

End Boot Left

End Boot Left

End Boot Right

End Boot Right

Wall Stack Duct

Wall Stack
2' & 4'

Stackhead with 12" Throat

Stackhead
with 12" Throat

Elbow Stack Boot

Elbow Stack Boot

End Stack Boot

End Stack Boot

Straight Stack Boot

Straight Stack Boot

Shortway Stack 45° Angle

Shortway Stack 45° Angle

Shortway Stack Elbow

Shortway Stack Elbow

Broadway Stack Elbow

Broadway Stack Elbow

Broadway Stack 45° Angle

Broadway Stack 45° Angle

Stack End Cap

Stack End Cap

Request a Quote

Oval Duct Pipe and Fittings

Our oval duct products are ideal for space-restricted installations. They deliver excellent airflow performance.

Oval Pipe - 60", 100" & 112"

Oval Pipe
60", 100" & 112"

Round to Oval Elbow Oval Crimped or Round Crimped

Round to Oval Elbow
Oval Crimped or Round Crimped

Round to Oval End No Crimp

Round to Oval End
No Crimp

Round to Oval Straight No Crimp

Round to Oval Straight
No Crimp

Oval Top Takeoff

Oval Top Takeoff

Tapered Round to Oval Elbow (Round Size to Oval Size)

Tapered Round
to Oval Elbow

(Round Size to Oval Size)

Tapered Round to Oval Straight (Round Size to Oval Size)

Tapered Round
to Oval Straight

(Round Size to Oval Size)

Tapered Round to Oval End (Round Size to Oval Size)

Tapered Round
to Oval End

(Round Size to Oval Size)

Oval Stackhead

Oval Stackhead

Oval Thruhead

Oval Thruhead

Oval Shortway Elbow 90º

Oval Shortway Elbow 90º

Oval Broadway Elbow 90º

Oval Broadway Elbow 90º

Oval Shortway Angle 45º

Oval Shortway Angle 45º

Oval Broadway Angle 45º

Oval Broadway Angle 45º

Oval to Oval End

Oval to Oval End

Register Boot Oval Straight

Register Boot
Oval Straight

Stack to Oval Adapter

Stack to Oval Adapter

Register Boot Oval Elbow

Register Boot
Oval Elbow

Oval A-Collar Crimped

Oval A-Collar
Crimped

Oval B-Collar No Crimp

Oval B-Collar
No Crimp

Benefits of Our Duct Pipe and Fittings

We provide high-quality duct pipe fittings engineered for optimal performance. Our products offer numerous advantages that enhance efficiency and reliability:

  • Custom fabrication for the perfect fit: Each component is custom-made to your specifications, ensuring seamless integration and eliminating compatibility issues.
  • Premium materials for durability: Crafted from high-quality stainless steel, our ducting couplings are built to last, reducing the need for maintenance over time.
  • Ease of installation: Precise fabrication minimizes installation challenges, allowing contractors to design HVAC systems without obstacles and complete projects faster.
  • Comprehensive solutions: As a one-stop shop, we provide all the necessary pieces for HVAC projects, streamlining procurement and reducing delays.
  • Expert guidance: Our friendly and knowledgeable sales team offers recommendations and support, helping you select the most suitable products.
  • Quality assurance: All products comply with code standards set by the Sheet Metal and Air Conditioning Contractors' National Association (SMACNA), ensuring safety and adherence to industry benchmarks.

Choose Hennemuth Metal Fabricators to gain a reliable partner dedicated to providing duct pipes and fittings that meet the highest standards of quality and precision.

 

Why Work With Us?

 

Hennemuth Metal Fabricators offers an exhaustive range of supplies for residential and commercial contractors operating near Pittsburgh, Pennsylvania. We service a 200-mile radius surrounding Pittsburgh, so you can get essential pipe and fittings even if you work outside the city.

It is our mission to fabricate HVAC system pieces to meet nearly any project requirement. Spend far less time sifting through the parts you have on hand to find a compatible fit. We fulfill orders quickly, and our sales team goes the extra mile to provide you with an accurate estimate for the cost of materials and labor before we begin an assignment. Other reasons to choose us for stainless steel spiral pipe and duct fittings include:

  • We are a family-owned and operated business.
  • Our team has more than 100 years of combined industry experience.
  • We pride ourselves on quick order turnarounds and incredible attention to detail.
  • Hennemuth Metal Fabricators works with both residential and commercial contractors.

Our product selection of HVAC duct connectors is extensive to ensure we have a piece to complete any system — commercial or residential. We offer our Pittsburgh duct fittings in both oval and round shapes. Our product offerings also have many variations, such as different-sized endings, crimped styles and different-degree turns.

Because of our many options, you can easily browse our inventory with one of our team members to find a duct connector that will work for your project. Each of our products follows the same high quality standards of our custom ductwork, so you can rely on all our items to hold up over time.

Trust Our HVAC Duct Fittings and Connectors For Your Next Job

With our extensive range of ducting couplings and metal ductwork fittings, we provide the solutions needed to complete projects efficiently. With our extensive range of standard and bespoke components, we provide the solutions needed to complete projects efficiently and effectively.

Our dedication to excellence ensures every product meets stringent quality standards, delivering performance you can depend on. Gain access to the expert support, timely service and industry expertise that have made Hennemuth Metal Fabricators a trusted name since 1954. Let's work together to make your next project a success. Call us today or request a quote online to get started on your next HVAC project.

Footer

Shop Hours

Mon-Fri: 7:00am-3:30pm

Ready To Order?

By Phone: (724) 693-9605
By Fax: (724) 693-8965
Email: orders@hmfduct.com

Visit Our Facebook and LinkedIn Pages!

HMF LinkedIn Page
HMF Facebook Page


embedded google maps
Pages
  • Spiral Ductwork
  • Rectangular Ductwork
  • Flexible Ductwork
  • Ductwork Design
  • Commercial Ductwork Fabrication
  • Blog

© 2025 by Hennemuth Metal Fabricators, All Rights Reserved. Sitemap | Terms and Conditions