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Enjoy fast and free shipping on all orders over $89! Contact us (855) 424-4376
Enjoy fast and free shipping on all orders over $89! Contact us (855) 424-4376

Crown Industries

Crown Industries supplies dependable plumbing and jobsite essentials to build, repair, and maintain gas systems.


Quick choosing guide

  1. Match the material: pick parts rated for your gas line
  2. Size & thread: confirm pipe size and thread type (NPT, hose thread, etc.) before you buy.
  3. Test & label: pressure-test per code and tag valves for easy future service.


  • Crown Industries - CrownFLEX-CG8 Series Coated Stainless Steel Connector - - Mechanical - Big Frog Supply
    Sold out

    Crown Industries - CG836D - FLEX-CG8 Series Coated Stainless Steel Connector

    Crown Industries
    $ 14.99 - $ 14.99
    $ 14.99
    $ 14.99 - $ 14.99
    $ 14.99

    Industry Standard Yellow Polymer Coated - Provides protection against accidental contact with common household cleaning products, ammonia, chlorine...

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    $ 14.99 - $ 14.99
    $ 14.99
    $ 14.99 - $ 14.99
    $ 14.99
    Sold out
  • Crown - Flex Gas Connector 1/2" x 24" F.I.P. x M.I.P (Female x Female) - - Gas Connectors - Big Frog Supply

    Crown Industries - GC05024FF - Flex Gas Connector 1/2" x 24" F.I.P. x F.I.P (Female x Female)

    Crown Industries
    $ 19.99 - $ 19.99
    $ 19.99
    $ 19.99 - $ 19.99
    $ 19.99

    Stainless steel flexible gas line connector for use with water heaters, dryers, stoves, and heaters. Specifications: Length: 24" Inlets: 1/2" Stai...

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    $ 19.99 - $ 19.99
    $ 19.99
    $ 19.99 - $ 19.99
    $ 19.99
  • Crown - Flex Gas Connector 1/2" x 24" MIPxFIP (Male x Female) - - Gas Connectors - Big Frog Supply

    Crown Industries - GC05024MF - Flex Gas Connector 1/2" x 24" MIPxFIP (Male x Female)

    Crown Industries
    $ 12.47 - $ 12.47
    $ 12.47
    $ 12.47 - $ 12.47
    $ 12.47

    Stainless steel flexible gas line connector for use with water heaters, dryers, stoves, and heaters. Specifications: Length: 24" Inlets: 1/2" Stai...

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    $ 12.47 - $ 12.47
    $ 12.47
    $ 12.47 - $ 12.47
    $ 12.47
  • Crown - Flex Gas Connector 1/2" x 36" MIPxFIP (Male x Female) - - Gas Connectors - Big Frog Supply

    Crown Industries - GC05036MF - Flex Gas Connector 1/2" x 36" MIPxFIP (Male x Female)

    Crown Industries
    $ 16.50 - $ 16.50
    $ 16.50
    $ 16.50 - $ 16.50
    $ 16.50

    Stainless steel flexible gas line connector for use with water heaters, dryers, stoves, and heaters. Specifications: Length: 36" Inlets: 1/2" Stai...

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    $ 16.50 - $ 16.50
    $ 16.50
    $ 16.50 - $ 16.50
    $ 16.50
  • Crown - Flex Gas Connector 1/2" x 48" (Male x Female) - - Gas Connectors - Big Frog Supply

    Crown Industries - GC05048MF - Flex Gas Connector 1/2" x 48" (Male x Female)

    Crown Industries
    $ 19.00 - $ 19.00
    $ 19.00
    $ 19.00 - $ 19.00
    $ 19.00

    Stainless steel flexible gas line connector for use with water heaters, dryers, stoves, and heaters. Specifications: Length: 48" Inlets: 1/2" Stai...

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    $ 19.00 - $ 19.00
    $ 19.00
    $ 19.00 - $ 19.00
    $ 19.00
  • Crown - Flex Gas Connector 3/4" x 36" (Male x Female) - - Gas Connectors - Big Frog Supply

    Crown Industries - GC07536MF - Flex Gas Connector 3/4" x 36" (Male x Female)

    Crown Industries
    $ 16.75 - $ 16.75
    $ 16.75
    $ 16.75 - $ 16.75
    $ 16.75

    Stainless steel flexible gas line connector for use with water heaters, dryers, stoves, and heaters. Specifications: Length: 36" Inlets: 3/4" Stai...

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    $ 16.75 - $ 16.75
    $ 16.75
    $ 16.75 - $ 16.75
    $ 16.75
  • Crown - Flex Gas Connector Hi BTU 1" x 36" F.I.P. x M.I.P (Male x Female) - - Gas Connectors - Big Frog Supply

    Crown Industries - GC10036MF - Flex Gas Connector Hi BTU 3/4" x 36" F.I.P. x M.I.P (Male x Female)

    Crown Industries
    $ 34.00 - $ 34.00
    $ 34.00
    $ 34.00 - $ 34.00
    $ 34.00

    Stainless steel flexible gas line connector for use with applications that use a lot more BTUs. Specifications: Length: 36" Inlets: 3/4" Stainless...

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    $ 34.00 - $ 34.00
    $ 34.00
    $ 34.00 - $ 34.00
    $ 34.00
  • Crown Industries - 5/8" Flare x 1/2" FIP Gas Adapter - - Mechanical - Big Frog Supply
    Sold out

    Crown Industries - GFS050F - 5/8" Flare x 1/2" FIP Gas Adapter

    Crown Industries
    $ 2.55 - $ 2.55
    $ 2.55
    $ 2.55 - $ 2.55
    $ 2.55

    5/8" OD Flare x 1/2" FIP Gas End Fitting Adapter.

    $ 2.55 - $ 2.55
    $ 2.55
    $ 2.55 - $ 2.55
    $ 2.55
    Sold out
  • Crown Industries - 5/8" Flare x 1/2" MIP Gas Adapter - - Mechanical - Big Frog Supply
    Sold out

    Crown Industries - GFS050M - 5/8" Flare x 1/2" MIP Gas Adapter

    Crown Industries
    $ 2.67 - $ 2.67
    $ 2.67
    $ 2.67 - $ 2.67
    $ 2.67

    5/8 OD Flare x 1/2 MIP (Tapped 1/2" FIP) Gas End Fitting Adapter.

    $ 2.67 - $ 2.67
    $ 2.67
    $ 2.67 - $ 2.67
    $ 2.67
    Sold out
  • Crown Industries - 5/8" Flare x 3/4" FIP Gas Adapter - - Mechanical - Big Frog Supply
    Sold out

    Crown Industries - GFS075F - 5/8" Flare x 3/4" FIP Gas Adapter

    Crown Industries
    $ 2.55 - $ 2.55
    $ 2.55
    $ 2.55 - $ 2.55
    $ 2.55

    5/8" OD Flare x 3/4" FIP Gas End Fitting Adapter.

    $ 2.55 - $ 2.55
    $ 2.55
    $ 2.55 - $ 2.55
    $ 2.55
    Sold out

Pro tips: Dry-fit first, mark insertion depth, and use thread sealant only on tapered NPT threads (not on flare seats). Support vertical runs, protect lines through studs, and pressure-test before closing walls. Not sure which Crown Industries part fits? Tell us the media (water/gas), pipe material/size, and connection style—we’ll build a dialed-in list.

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