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Internet # 100546700

Model # 310 U-38

Store SKU # 348043

3/8 in. Black Iron Union

$9.30
  • UL listed black union offers durability
  • Meets ASTM standards for safe and reliable use
  • Durable black malleable iron construction
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Return this item within 90 days of purchase.

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Product Details

About This Product

When selecting gas pipe for your home STZ pipe and fittings are the way to go! Our durable black iron fittings are 100% pressure tested and protected right at the factory. Pipe, connectors, and fittings come in a array of sizes for residential gas, air, and LP applications.

Highlights

  • Pressure tested at the factory
  • Rated at maximum 300 psi at 150°F or 150 psi at 300°F
  • Use for above ground gas, LP and air applications
  • UL listed
  • Not for use with water
  • Always check your local plumbing and gas codes before starting any piping projects
  • Not for use in underground applications
  • Can also be used for DIY pipe projects, pipe preparation materials not included
  • IPS threads for compatibility with other project materials such as lamp parts, valves, etcetera
  • Durable iron construction
  • Fitting dimensions are compliant with ASME B16.3
  • Note: product may vary by store
  • Return Policy
  • California residents
     see Prop 65 WARNINGS

Product Information

Internet # 100546700

Model # 310 U-38

Store SKU # 348043

Additional Resources

Shop All STZ

Specifications

Dimensions

Double Fitting Size

3/8" x 3/8"

Fitting 1 size

3/8"

Fitting 2 size

3/8"

Fitting Size Dimensions

3/8" x 3/8"

Product Length (in.)

1.5 in

Single Fitting Size

3/8"

Details

Application

Air, Furniture Grade, Natural Gas, Propane

Color Family

Black

Color/Finish

Black

Compatible Pipe Material

Black malleable iron

Connection 1

FPT

Connection 2

FPT

Connectivity

Threaded

Features

Threaded

Fitting or Connector Type

Union

Fitting/ Connector Collection

Black

Material

Iron

Maximum working pressure (psi)

300

Maximum Working Temperature (F)

300

Pack Size

1

Pipe or Fitting Product Type

Fittings & Connectors

Product Weight (lb.)

0.325 lb

Reducing Fitting

No

Returnable

90-Day

Warranty / Certifications

Manufacturer Warranty

1 Year Limited

Questions & Answers

What size pipe wrench do I need for the large 8 sided nut on the 2" black iron union? I'm talking how much do the jaws need to open?
ByJan 17, 2025
1 Answer | 
Answer This Question

A pipe wrench with a capacity of 61 mm (2 in) can be used on a 2 in union.

By|Jan 21, 2025
    0/0


    Does each side of this spin to allow installing pipe in tight spaces? For example I need to insta...
    ByApr 15, 2020
    0 Answer | 
    Answer This Question

    Where is this product manufactured? Thanks!
    ByJan 12, 2019
    1 Answer | 
    Answer This Question

    It is manufactured in the USA.

    By|Apr 26, 2019
      0/0


      Viewing 1-3 of 3

      Customer Reviews

      4.4 out of 5

      • 4.4 out of 99 reviews
      • 75% recommend this product
      Filter by:
      Showing 1-10 of 99 reviews
      Great parts I use a lot of fittings from home...
      Great parts I use a lot of fittings from home depot my number one store in america
      by
      This review is from 1/2 in. Black Iron Union
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      Rating provided by a verified purchaser...
      Rating provided by a verified purchaser
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      This review is from 1 in. Black Iron Union
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      This customer chose to rate the product and not provide text.
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      This review is from 1-1/2 in. Black Iron Union
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      Wonderful, sturdy and a strong product....
      Wonderful, sturdy and a strong product.
      by
      This review is from 2 in. Black Iron Union
      • Verified Purchase
      This customer chose to rate the product and not provide text.
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      This review is from 2 in. Black Iron Union
        This customer chose to rate the product and not provide text.
        by
        This review is from 1/2 in. Black Iron Union
          Very durable and functional...
          Very durable and functional
          by
          This review is from 1/2 in. Black Iron Union
            Rating provided by a verified purchaser...
            Rating provided by a verified purchaser
            by
            This review is from 1/2 in. Black Iron Union
            • Verified Purchase
            Rating provided by a verified purchaser...
            Rating provided by a verified purchaser
            by
            This review is from 1/2 in. Black Iron Union
            • Verified Purchase
            these work great just lije any iron - it will...
            these work great just lije any iron - it will rust and have corrosion - it works good though
            by
            This review is from 1 in. Black Iron Union
            • Verified Purchase
            Showing 1-10 of 99 reviews

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            Fitting or Connector Type

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            Application

            Air, Furniture Grade, Natural Gas, Propane

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            Air, Furniture Grade, Natural Gas, Propane

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            Pack Size

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