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Gas Fittings

When dealing with gas piping systems, every connection must perform. Our Gas Fittings collection brings you the trusted adapters, unions, reducers, transitions and accessory components that tie your system together—whether you’re working with CSST, black steel, appliance hook-ups or retrofit installs.

What you’ll find in this collection:

  • CSST-to-threaded adapters, unions and couplings built for corrugated stainless steel tubing systems commonly used in modern gas supply. 

  • Appliance connection fittings and kits—brass male/female adapters, unions, reducing fittings—to hook up stoves, grills, boilers and other fuel-gas appliances cleanly and code-compliantly.

  • Transition fittings that adapt between piping types (CSST to NPT, CSST to steel pipe) and accessory parts to support installation (termination plates, unions, reducers).

  • Fittings rated for natural gas and propane applications, certified to industry standards and ready for residential or commercial systems.

Why Big Frog Supply? Because we understand that “just a fitting” can be the difference between safe system performance and trouble. We offer clear spec choices, trusted brands, and installation-smart advice so you build it right the first time.

  • Titan Press TPLN0114G 1-1/4 inch 90 degree elbow for HNBR gas carbon steel press systems
    Agotado

    Titan Press TPLN0114G 1-1/4 in. P x P 90° Elbow, HNBR Gas, Carbon Steel

    Everflow Supplies
    $ 0.00 - $ 0.00
    $ 0.00
    $ 29.25
    $ 29.25 - $ 29.25
    $ 29.25

    Titan Press TPLN0114G 1-1/4 in. P x P 90° Elbow Brand: Everflow Supplies | SKU: TPLN0114G Product Overview Carbon steel 90-degree press elbow w...

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    $ 0.00 - $ 0.00
    $ 0.00
    $ 29.25
    $ 29.25 - $ 29.25
    $ 29.25
    Agotado
  • Titan Press TPLN0100G 1 inch 90 degree elbow for HNBR gas carbon steel press systems
    Agotado

    Titan Press TPLN0100G 1 in. P x P 90° Elbow, HNBR Gas, Carbon Steel

    Everflow Supplies
    $ 0.00 - $ 0.00
    $ 0.00
    $ 16.83
    $ 16.83 - $ 16.83
    $ 16.83

    Titan Press TPLN0100G 1 in. P x P 90° Elbow Brand: Everflow Supplies | SKU: TPLN0100G Product Overview Carbon steel 90-degree press elbow with ...

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    $ 0.00 - $ 0.00
    $ 0.00
    $ 16.83
    $ 16.83 - $ 16.83
    $ 16.83
    Agotado
  • Titan Press TPLN0034G 3/4 inch 90 degree elbow for HNBR gas carbon steel press systems
    Agotado

    Titan Press TPLN0034G 3/4 in. P x P 90° Elbow, HNBR Gas, Carbon Steel

    Everflow Supplies
    $ 0.00 - $ 0.00
    $ 0.00
    $ 13.85
    $ 13.85 - $ 13.85
    $ 13.85

    Titan Press TPLN0034G 3/4 in. P x P 90° Elbow Brand: Everflow Supplies | SKU: TPLN0034G Product Overview Carbon steel 90-degree press elbow wit...

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    $ 0.00 - $ 0.00
    $ 0.00
    $ 13.85
    $ 13.85 - $ 13.85
    $ 13.85
    Agotado
  • Titan Press TPLN0012G 1/2 inch 90 degree elbow for HNBR gas carbon steel press systems
    Agotado

    Titan Press TPLN0012G 1/2 in. P x P 90° Elbow, HNBR Gas, Carbon Steel

    Everflow Supplies
    $ 0.00 - $ 0.00
    $ 0.00
    $ 12.16
    $ 12.16 - $ 12.16
    $ 12.16

    Titan Press TPLN0012G 1/2 in. P x P 90° Elbow Brand: Everflow Supplies | SKU: TPLN0012G Product Overview Carbon steel 90-degree press elbow wit...

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    $ 0.00 - $ 0.00
    $ 0.00
    $ 12.16
    $ 12.16 - $ 12.16
    $ 12.16
    Agotado
  • Titan Press TPFU0114G 1-1/4 inch press x FPT female union for HNBR gas carbon steel systems
    Agotado

    Titan Press TPFU0114G 1-1/4 in. P x FPT Female Union, HNBR Gas, Carbon Steel

    Everflow Supplies
    $ 0.00 - $ 0.00
    $ 0.00
    $ 94.39
    $ 94.39 - $ 94.39
    $ 94.39

    Titan Press TPFU0114G 1-1/4 in. P x FPT Female Union Brand: Everflow Supplies | SKU: TPFU0114G Product Overview Carbon steel female union with ...

    Ver todos los detalles
    $ 0.00 - $ 0.00
    $ 0.00
    $ 94.39
    $ 94.39 - $ 94.39
    $ 94.39
    Agotado
  • Titan Press TPFU0100G 1 inch press x FPT female union for HNBR gas carbon steel systems
    Agotado

    Titan Press TPFU0100G 1 in. P x FPT Female Union, HNBR Gas, Carbon Steel

    Everflow Supplies
    $ 0.00 - $ 0.00
    $ 0.00
    $ 75.03
    $ 75.03 - $ 75.03
    $ 75.03

    Titan Press TPFU0100G 1 in. P x FPT Female Union Brand: Everflow Supplies | SKU: TPFU0100G Product Overview Carbon steel female union with HNBR...

    Ver todos los detalles
    $ 0.00 - $ 0.00
    $ 0.00
    $ 75.03
    $ 75.03 - $ 75.03
    $ 75.03
    Agotado
  • Titan Press TPFU0034G 3/4 inch press x FPT female union for HNBR gas carbon steel systems
    Agotado

    Titan Press TPFU0034G 3/4 in. P x FPT Female Union, HNBR Gas, Carbon Steel

    Everflow Supplies
    $ 0.00 - $ 0.00
    $ 0.00
    $ 61.14
    $ 61.14 - $ 61.14
    $ 61.14

    Titan Press TPFU0034G 3/4 in. P x FPT Female Union Brand: Everflow Supplies | SKU: TPFU0034G Product Overview Carbon steel female union with HN...

    Ver todos los detalles
    $ 0.00 - $ 0.00
    $ 0.00
    $ 61.14
    $ 61.14 - $ 61.14
    $ 61.14
    Agotado
  • Titan Press TPFU0012G 1/2 inch press x FPT female union for HNBR gas carbon steel systems
    Agotado

    Titan Press TPFU0012G 1/2 in. P x FPT Female Union, HNBR Gas, Carbon Steel

    Everflow Supplies
    $ 0.00 - $ 0.00
    $ 0.00
    $ 62.19
    $ 62.19 - $ 62.19
    $ 62.19

    Titan Press TPFU0012G 1/2 in. P x FPT Female Union Brand: Everflow Supplies | SKU: TPFU0012G Product Overview Carbon steel female union with HN...

    Ver todos los detalles
    $ 0.00 - $ 0.00
    $ 0.00
    $ 62.19
    $ 62.19 - $ 62.19
    $ 62.19
    Agotado
  • Titan Press TPFF0114G 1-1/4 inch 45 degree elbow for HNBR gas carbon steel press systems
    Agotado

    Titan Press TPFF0114G 1-1/4 in. P x P 45° Elbow, HNBR Gas, Carbon Steel

    Everflow Supplies
    $ 0.00 - $ 0.00
    $ 0.00
    $ 33.74
    $ 33.74 - $ 33.74
    $ 33.74

    Titan Press TPFF0114G 1-1/4 in. P x P 45° Elbow Brand: Everflow Supplies | SKU: TPFF0114G Product Overview Carbon steel 45-degree press elbow w...

    Ver todos los detalles
    $ 0.00 - $ 0.00
    $ 0.00
    $ 33.74
    $ 33.74 - $ 33.74
    $ 33.74
    Agotado
  • Titan Press TPFF0100G 1 inch 45 degree elbow for HNBR gas carbon steel press systems
    Agotado

    Titan Press TPFF0100G 1 in. P x P 45° Elbow, HNBR Gas, Carbon Steel

    Everflow Supplies
    $ 0.00 - $ 0.00
    $ 0.00
    $ 19.15
    $ 19.15 - $ 19.15
    $ 19.15

    Titan Press TPFF0100G 1 in. P x P 45° Elbow Brand: Everflow Supplies | SKU: TPFF0100G Product Overview Carbon steel 45-degree press elbow with ...

    Ver todos los detalles
    $ 0.00 - $ 0.00
    $ 0.00
    $ 19.15
    $ 19.15 - $ 19.15
    $ 19.15
    Agotado
  • Titan Press TPFF0034G 3/4 inch 45 degree elbow for HNBR gas carbon steel press systems
    Agotado

    Titan Press TPFF0034G 3/4 in. P x P 45° Elbow, HNBR Gas, Carbon Steel

    Everflow Supplies
    $ 0.00 - $ 0.00
    $ 0.00
    $ 15.33
    $ 15.33 - $ 15.33
    $ 15.33

    Titan Press TPFF0034G 3/4 in. P x P 45° Elbow Brand: Everflow Supplies | SKU: TPFF0034G Product Overview Carbon steel 45-degree press elbow wit...

    Ver todos los detalles
    $ 0.00 - $ 0.00
    $ 0.00
    $ 15.33
    $ 15.33 - $ 15.33
    $ 15.33
    Agotado
  • Titan Press TPFF0012G 1/2 inch 45 degree elbow for HNBR gas carbon steel press systems
    Agotado

    Titan Press TPFF0012G 1/2 in. P x P 45° Elbow, HNBR Gas, Carbon Steel

    Everflow Supplies
    $ 0.00 - $ 0.00
    $ 0.00
    $ 12.68
    $ 12.68 - $ 12.68
    $ 12.68

    Titan Press TPFF0012G 1/2 in. P x P 45° Elbow Brand: Everflow Supplies | SKU: TPFF0012G Product Overview Carbon steel 45-degree press elbow wit...

    Ver todos los detalles
    $ 0.00 - $ 0.00
    $ 0.00
    $ 12.68
    $ 12.68 - $ 12.68
    $ 12.68
    Agotado
  • Titan Press TPFA3412G 3/4 inch x 1/2 inch reducing female adapter for HNBR gas carbon steel systems
    Agotado

    Titan Press TPFA3412G 3/4 in. x 1/2 in. P x FPT Reducing Female Adapter, HNBR Gas, Carbon Steel

    Everflow Supplies
    $ 0.00 - $ 0.00
    $ 0.00
    $ 19.85
    $ 19.85 - $ 19.85
    $ 19.85

    Titan Press TPFA3412G 3/4 in. x 1/2 in. Reducing Female Adapter Brand: Everflow Supplies | SKU: TPFA3412G Product Overview Carbon steel reducin...

    Ver todos los detalles
    $ 0.00 - $ 0.00
    $ 0.00
    $ 19.85
    $ 19.85 - $ 19.85
    $ 19.85
    Agotado
  • Titan Press TPFA1134G 1-1/4 inch x 3/4 inch reducing female adapter for HNBR gas carbon steel systems
    Agotado

    Titan Press TPFA1134G 1-1/4 in. x 3/4 in. P x FPT Reducing Female Adapter, HNBR Gas, Carbon Steel

    Everflow Supplies
    $ 0.00 - $ 0.00
    $ 0.00
    $ 31.23
    $ 31.23 - $ 31.23
    $ 31.23

    Titan Press TPFA1134G 1-1/4 in. x 3/4 in. Reducing Female Adapter Brand: Everflow Supplies | SKU: TPFA1134G Product Overview Carbon steel reduc...

    Ver todos los detalles
    $ 0.00 - $ 0.00
    $ 0.00
    $ 31.23
    $ 31.23 - $ 31.23
    $ 31.23
    Agotado
  • Titan Press TPFA1112G 1-1/4 inch x 1/2 inch reducing female adapter for HNBR gas carbon steel systems
    Agotado

    Titan Press TPFA1112G 1-1/4 in. x 1/2 in. P x FPT Reducing Female Adapter, HNBR Gas, Carbon Steel

    Everflow Supplies
    $ 0.00 - $ 0.00
    $ 0.00
    $ 31.40
    $ 31.40 - $ 31.40
    $ 31.40

    Titan Press TPFA1112G 1-1/4 in. x 1/2 in. P x FPT Reducing Female Adapter Brand: Everflow Supplies | SKU: TPFA1112G Product Overview The Titan ...

    Ver todos los detalles
    $ 0.00 - $ 0.00
    $ 0.00
    $ 31.40
    $ 31.40 - $ 31.40
    $ 31.40
    Agotado
  • Titan Press TPFA1110G 1-1/4 inch x 1 inch reducing female adapter for HNBR gas carbon steel systems
    Agotado

    Titan Press TPFA1110G 1-1/4 in. x 1 in. P x FPT Reducing Female Adapter, HNBR Gas, Carbon Steel

    Everflow Supplies
    $ 0.00 - $ 0.00
    $ 0.00
    $ 30.68
    $ 30.68 - $ 30.68
    $ 30.68

    Titan Press TPFA1110G 1-1/4 in. x 1 in. P x FPT Reducing Female Adapter Brand: Everflow Supplies | SKU: TPFA1110G Product Overview The Titan Pr...

    Ver todos los detalles
    $ 0.00 - $ 0.00
    $ 0.00
    $ 30.68
    $ 30.68 - $ 30.68
    $ 30.68
    Agotado
  • Titan Press TPFA1034G 1 inch x 3/4 inch reducing female adapter for HNBR gas carbon steel systems
    Agotado

    Titan Press TPFA1034G 1 in. x 3/4 in. P x FPT Reducing Female Adapter, HNBR Gas, Carbon Steel

    Everflow Supplies
    $ 0.00 - $ 0.00
    $ 0.00
    $ 25.69
    $ 25.69 - $ 25.69
    $ 25.69

    Titan Press TPFA1034G 1 in. x 3/4 in. P x FPT Reducing Female Adapter Brand: Everflow Supplies | SKU: TPFA1034G Product Overview The Titan Pres...

    Ver todos los detalles
    $ 0.00 - $ 0.00
    $ 0.00
    $ 25.69
    $ 25.69 - $ 25.69
    $ 25.69
    Agotado
  • Titan Press TPFA1012G 1 inch x 1/2 inch reducing female adapter for HNBR gas carbon steel systems
    Agotado

    Titan Press TPFA1012G 1 in. x 1/2 in. P x FPT Reducing Female Adapter, HNBR Gas, Carbon Steel

    Everflow Supplies
    $ 0.00 - $ 0.00
    $ 0.00
    $ 24.49
    $ 24.49 - $ 24.49
    $ 24.49

    Titan Press TPFA1012G 1 in. x 1/2 in. P x FPT Reducing Female Adapter Brand: Everflow Supplies | SKU: TPFA1012G Product Overview The Titan Pres...

    Ver todos los detalles
    $ 0.00 - $ 0.00
    $ 0.00
    $ 24.49
    $ 24.49 - $ 24.49
    $ 24.49
    Agotado
  • Titan Press TPFA0114G 1-1/4 inch press x FPT female adapter for HNBR gas carbon steel systems
    Agotado

    Titan Press TPFA0114G 1-1/4 in. P x FPT Female Adapter, HNBR Gas, Carbon Steel

    Everflow Supplies
    $ 0.00 - $ 0.00
    $ 0.00
    $ 25.33
    $ 25.33 - $ 25.33
    $ 25.33

    Titan Press TPFA0114G 1-1/4 in. P x FPT Female Adapter Brand: Everflow Supplies | SKU: TPFA0114G Product Overview The Titan Press TPFA0114G is ...

    Ver todos los detalles
    $ 0.00 - $ 0.00
    $ 0.00
    $ 25.33
    $ 25.33 - $ 25.33
    $ 25.33
    Agotado
  • Titan Press TPFA0100G 1 inch press x FPT female adapter for HNBR gas carbon steel systems
    Agotado

    Titan Press TPFA0100G 1 in. P x FPT Female Adapter, HNBR Gas, Carbon Steel

    Everflow Supplies
    $ 0.00 - $ 0.00
    $ 0.00
    $ 21.06
    $ 21.06 - $ 21.06
    $ 21.06

    Titan Press TPFA0100G 1 in. P x FPT Female Adapter Brand: Everflow Supplies | SKU: TPFA0100G Product Overview The Titan Press TPFA0100G is a ca...

    Ver todos los detalles
    $ 0.00 - $ 0.00
    $ 0.00
    $ 21.06
    $ 21.06 - $ 21.06
    $ 21.06
    Agotado
  • Titan Press TPFA0034G 3/4 inch press x FPT female adapter for HNBR gas carbon steel systems
    Agotado

    Titan Press TPFA0034G 3/4 in. P x FPT Female Adapter, HNBR Gas, Carbon Steel

    Everflow Supplies
    $ 0.00 - $ 0.00
    $ 0.00
    $ 16.00
    $ 16.00 - $ 16.00
    $ 16.00

    Titan Press TPFA0034G 3/4 in. P x FPT Female Adapter Brand: Everflow Supplies | SKU: TPFA0034G Product Overview The Titan Press TPFA0034G is a ...

    Ver todos los detalles
    $ 0.00 - $ 0.00
    $ 0.00
    $ 16.00
    $ 16.00 - $ 16.00
    $ 16.00
    Agotado
  • Titan Press TPFA0012G 1/2 inch press x FPT female adapter for HNBR gas carbon steel systems
    Agotado

    Titan Press TPFA0012G 1/2 in. P x FPT Female Adapter, HNBR Gas, Carbon Steel

    Everflow Supplies
    $ 0.00 - $ 0.00
    $ 0.00
    $ 13.98
    $ 13.98 - $ 13.98
    $ 13.98

    Titan Press TPFA0012G 1/2 in. P x FPT Female Adapter Brand: Everflow Supplies | SKU: TPFA0012G Product Overview The Titan Press TPFA0012G is a ...

    Ver todos los detalles
    $ 0.00 - $ 0.00
    $ 0.00
    $ 13.98
    $ 13.98 - $ 13.98
    $ 13.98
    Agotado
  • Titan Press TPEC0114G 1-1/4 inch cap for HNBR gas carbon steel press systems
    Agotado

    Titan Press TPEC0114G 1-1/4 in. P Cap, HNBR Gas, Carbon Steel

    Everflow Supplies
    $ 0.00 - $ 0.00
    $ 0.00
    $ 28.08
    $ 28.08 - $ 28.08
    $ 28.08

    Titan Press TPEC0114G 1-1/4 in. P Cap Brand: Everflow Supplies | SKU: TPEC0114G Product Overview The Titan Press TPEC0114G is a carbon steel pr...

    Ver todos los detalles
    $ 0.00 - $ 0.00
    $ 0.00
    $ 28.08
    $ 28.08 - $ 28.08
    $ 28.08
    Agotado
  • Titan Press TPEC0100G 1 inch cap for HNBR gas carbon steel press systems
    Agotado

    Titan Press TPEC0100G 1 in. P Cap, HNBR Gas, Carbon Steel

    Everflow Supplies
    $ 0.00 - $ 0.00
    $ 0.00
    $ 16.43
    $ 16.43 - $ 16.43
    $ 16.43

    Titan Press TPEC0100G 1 in. P Cap Brand: Everflow Supplies | SKU: TPEC0100G Product Overview The Titan Press TPEC0100G is a carbon steel press ...

    Ver todos los detalles
    $ 0.00 - $ 0.00
    $ 0.00
    $ 16.43
    $ 16.43 - $ 16.43
    $ 16.43
    Agotado

Pro tip: Before you purchase, identify the type of gas piping you’re connecting to (CSST, black iron, soft stainless), confirm fuel type (natural or LP), ensure certification for the fitting, and check for bonding/grounding requirements on CSST runs. Using matched system components helps reduce leak-risk and keeps installs code-compliant.

Browse the collection, select the correct fitting for your system, and install with confidence.

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