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Repair Parts

Find Reliable Natural Gas and Propane Repair Parts for Safe and Efficient Performance

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  • JC Whitlam Flow-Kit Flow-Aide System Decaler Kit

    JC Whitlam Flow-Kit Flow-Aide System Decaler Kit

    JC Whitlam Flow-Kit Flow-Aide System Decaler Kit

    Regular price $268.00
    Regular price Sale price $268.00
    Unit price /  per 
  • Navien® Ready-Link Side-By-Side Manifold Kit

    NAVIEN® Ready-Link Manifold Kit Side-By-Side 30019043A

    NAVIEN® Ready-Link Manifold Kit Side-By-Side 30019043A

    Regular price $3,308.00
    Regular price Sale price $3,308.00
    Unit price /  per 
  • Residential Water Heater Gas Control Valve

    Residential Water Heater Gas Control Valve 4155336103

    Residential Water Heater Gas Control Valve 4155336103

    Regular price $388.51
    Regular price Sale price $388.51
    Unit price /  per 
  • RINNAI® Res Remote Temp Control MC-601-W

    RINNAI® Res Remote Temp Control MC-601-W

    RINNAI® Res Remote Temp Control MC-601-W

    Regular price $195.60
    Regular price Sale price $195.60
    Unit price /  per 
  • Lochinvar Cupro Non-ASME Heat Exchanger

    Lochinvar Cupro Nickel Non-ASME Heat Exchanger | 150Mbh | 100147478

    Lochinvar Cupro Nickel Non-ASME Heat Exchanger | 150Mbh | 100147478

    Regular price $2,780.83
    Regular price Sale price $2,780.83
    Unit price /  per 
  • Navien Ready-Link Manifold Npe 4Bb

    NAVIEN® Ready-Link Manifold NPE 30019042A

    NAVIEN® Ready-Link Manifold NPE 30019042A

    Regular price $2,930.00
    Regular price Sale price $2,930.00
    Unit price /  per 
  • Burner Assembly (Ng)

    Burner Assembly (Ng)

    Burner Assembly (Ng)

    Regular price $2,533.80
    Regular price Sale price $2,533.80
    Unit price /  per 
  • Navien Boiler Cascade Cable

    NAVIEN® Cascade Cable GXXX000546

    NAVIEN® Cascade Cable GXXX000546

    Regular price $25.25
    Regular price Sale price $25.25
    Unit price /  per 
  • Rinnai 223181 11.5" Horizontal

    RINNAI® 11.5" Horizontal Termination Kit - 223181

    RINNAI® 11.5" Horizontal Termination Kit - 223181

    Regular price $135.02
    Regular price Sale price $135.02
    Unit price /  per 
  • Navien Vent Cap

    NAVIEN® Outdoor Vent Kit for all NPE models 30025801A

    NAVIEN® Outdoor Vent Kit for all NPE models 30025801A

    Regular price $54.00
    Regular price Sale price $54.00
    Unit price /  per 
  • Rinnai 224053 Vent Pipe Extension

    RINNAI® 39" Vent Pipe Extension - 224053

    RINNAI® 39" Vent Pipe Extension - 224053

    Regular price $81.16
    Regular price Sale price $81.16
    Unit price /  per 
  • Navien Backflow Damper For Common Vent

    NAVIEN® Backflow Damper For Common Vent Systems 30014367A

    NAVIEN® Backflow Damper For Common Vent Systems 30014367A

    Regular price $61.20
    Regular price Sale price $61.20
    Unit price /  per 
  • Pilot Assembly Natural Or Propane, IID

    Pilot Assembly Natural Or Propane, IID - 002003F

    Pilot Assembly Natural Or Propane, IID - 002003F

    Regular price $123.49
    Regular price Sale price $123.49
    Unit price /  per 
  • Raypak Pc Board Control Replacement For

    Raypak 013464F Pc Board Control Replacement For Digital Gas Heater

    Raypak 013464F Pc Board Control Replacement For Digital Gas Heater

    Regular price $374.49
    Regular price Sale price $374.49
    Unit price /  per 
  • Rectorseal 68711 Calcination

    RECTORSEAL Calci-Free Tankless Water Heater Flush Kit

    RECTORSEAL Calci-Free Tankless Water Heater Flush Kit

    Regular price $259.02
    Regular price Sale price $259.02
    Unit price /  per 
  • J.C. Whitlam Flow-Aide System Descaler

    J.C. Whitlam Flow32 Flow-Aide System Descaler ,32 Ounces (1 Quart) , White

    J.C. Whitlam Flow32 Flow-Aide System Descaler ,32 Ounces (1 Quart) , White

    Regular price $25.11
    Regular price Sale price $25.11
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Find the right replacement parts to keep your natural gas and propane water heaters operating safely and efficiently with Gaswarehouse's trusted selection of water heater parts. Whether you’re servicing a tank-style unit or a tankless system, our inventory includes the gas-specific components needed for fast, effective repairs and installations.

We stock essential parts such as gas control valves, pilot assemblies, thermocouples, igniters, burner assemblies, pressure relief valves, and flexible gas connectors—all compatible with major residential and commercial water heater brands. These components are designed to withstand the high-heat, high-moisture environments common in gas water heating systems while ensuring safety, efficiency, and performance.

Ideal for service professionals, contractors, and property managers, our water heater parts are selected for quality, compatibility, and code compliance. At Gaswarehouse.com, we’re committed to helping you get the job done right with dependable products and expert support.

Explore our range of propane and natural gas water heater parts today—ready to ship and built to last.

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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

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    Tamarac, Florida 33309

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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.