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Underground Pipe & Fittings

Durable Underground Gas Fittings for Safe and Long-Lasting Natural Gas and Propane Installations

  1. Gas Warehouse
  2. Underground Pipe & Fittings

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  • Honeywell 2.0 Chamfer Tool

    3/4" IPS Chamfering Tool

    3/4" IPS Chamfering Tool

    Regular price $86.58
    Regular price Sale price $86.58
    Unit price /  per 
  • Honeywell 2.0 Chamfer Tool

    3/4" IPS X 1" IPS Chamfering Tool

    3/4" IPS X 1" IPS Chamfering Tool

    Regular price $87.99
    Regular price Sale price $87.99
    Unit price /  per 
  • Honeywell 2.0 Chamfer Tool

    1" IPS Chamfering Tool

    1" IPS Chamfering Tool

    Regular price $85.22
    Regular price Sale price $85.22
    Unit price /  per 
  • Permasert 1/2 In. Cts Plastic Coupling

    Permasert 1/2 In. CTS Plastic Coupling

    Permasert 1/2 In. CTS Plastic Coupling

    Regular price $30.75
    Regular price Sale price $30.75
    Unit price /  per 
  • Permasert 3/4 In. IPS Sdr 11 Polyethylene

    Permasert 3/4 In. IPS Plastic Coupling

    Permasert 3/4 In. IPS Plastic Coupling

    Regular price $60.17
    Regular price Sale price $60.17
    Unit price /  per 
  • Permasert 1 In. IPS Sdr 11 Polyethylene

    Permasert 1 In. IPS Plastic Coupling

    Permasert 1 In. IPS Plastic Coupling

    Regular price $96.70
    Regular price Sale price $96.70
    Unit price /  per 
  • Permasert 1-1/4 In. IPS Plastic Coupling

    Permasert 1-1/4 In. IPS Plastic Coupling

    Permasert 1-1/4 In. IPS Plastic Coupling

    Regular price $155.48
    Regular price Sale price $155.48
    Unit price /  per 
  • Polyethylene Coupling Pf-50

    Permasert 1-1/2 In. IPS Plastic Coupling

    Permasert 1-1/2 In. IPS Plastic Coupling

    Regular price $164.09
    Regular price Sale price $164.09
    Unit price /  per 
  • Permasert 2 In. IPS Sdr 11 Polyethylene

    Permasert 2 In. IPS Plastic Coupling

    Permasert 2 In. IPS Plastic Coupling

    Regular price $223.65
    Regular price Sale price $223.65
    Unit price /  per 
  • Perfection Corporation Mechanical Tee 1

    Permasert Tee 1/2" CTS

    Permasert Tee 1/2" CTS

    Regular price $97.11
    Regular price Sale price $97.11
    Unit price /  per 
  • 3/4 In. IPS Sdr11 Permasert Gas

    Permasert Tee 3/4" IPS

    Permasert Tee 3/4" IPS

    Regular price $160.03
    Regular price Sale price $160.03
    Unit price /  per 
  • 1 In. IPS Sdr11 Permasert Gas Mechanical

    Permasert Tee 1" IPS

    Permasert Tee 1" IPS

    Regular price $278.43
    Regular price Sale price $278.43
    Unit price /  per 
  • Perfection Corporation Mechanical Tee 1

    Permasert Tee 1-1/4" IPS

    Permasert Tee 1-1/4" IPS

    Regular price $365.05
    Regular price Sale price $365.05
    Unit price /  per 
  • Perfection Corporation Mechanical Tee 1

    Permasert Tee 2" IPS

    Permasert Tee 2" IPS

    Regular price $692.81
    Regular price Sale price $692.81
    Unit price /  per 
  • Perfection Corporation Elbow Mechanical

    Permasert 90 Elbow 3/4" IPS

    Permasert 90 Elbow 3/4" IPS

    Regular price $121.73
    Regular price Sale price $121.73
    Unit price /  per 
  • Permasert 90 Elbow 1"

    Permasert 90 Elbow 1"

    Permasert 90 Elbow 1"

    Regular price $184.12
    Regular price Sale price $184.12
    Unit price /  per 
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Ensure safe, secure underground gas installations with Gaswarehouse's specialized range of underground pipe and fittings for propane and natural gas lines. Built to withstand harsh underground environments, our fittings are engineered for long-lasting performance and leak-free connections in residential, commercial, and industrial gas systems.

Our inventory includes pipe, transition fittings, couplings, tees, elbows, anodeless risers, and mechanical fittings, designed for use with polyethylene (PE) pipe and compatible with both propane and natural gas applications. These components meet all required industry standards for underground gas distribution and are resistant to corrosion, soil chemicals, and ground movement.

Gaswarehouse partners with trusted manufacturers to offer underground gas fittings that prioritize safety, compliance, and ease of installation. Whether you're upgrading infrastructure or laying new gas lines, our fittings deliver peace of mind below ground.

Shop our selection of underground gas fittings today for dependable quality, fast delivery, and expert support from the gas system specialists at Gaswarehouse.com.

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  • (772) 247-0333
  • 1649-1651 SW South Macedo Blvd.
    Port St. Lucie, Florida 34984

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    Lake Worth, Florida 33460

    3818 NW 49th Street
    Tamarac, Florida 33309

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Built For Pros By Pros

At Gaswarehoues.com, our products are engineered with professionals in mind — durable, precise, and ready to perform in the toughest environments. Behind every part is decades of industry expertise, ensuring you get solutions that work as hard as you do.