(772) 247-0333

1649-1651 SW South Macedo Blvd., Port St. Lucie, FL 34984

Register

Login

Support Account Cart

Expedited shipping available.
Large order? LTL services available.
Net 30 Payment Terms available.
Have questions? Our support team is just a call away.
Secure checkout and easy online ordering.

Repair Parts

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

Gas Warehouse
Repair Parts

JC Whitlam Flow-Kit Flow-Aide System Descaler Kit

JC Whitlam Flow-Kit Flow-Aide System Descaler Kit

Regular price $268.00

Regular price Sale price $268.00
Unit price per
NAVIEN® Ready-Link Manifold Kit Side-By-Side 30019043A

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

Regular price $3,473.40

Regular price Sale price $3,473.40
Unit price per
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

Regular price $195.60

Regular price Sale price $195.60
Unit price per
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 30019042A

NAVIEN® Ready-Link Manifold NPE 30019042A

Regular price $3,076.50

Regular price Sale price $3,076.50
Unit price per
NAVIEN® Cascade Cable GXXX000546

NAVIEN® Cascade Cable GXXX000546

Regular price $26.51

Regular price Sale price $26.51
Unit price per
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® Outdoor Vent Kit for all NPE models 30025801A

NAVIEN® Outdoor Vent Kit for all NPE models 30025801A

Regular price $56.70

Regular price Sale price $56.70
Unit price per
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 Systems 30014367A

NAVIEN® Backflow Damper For Common Vent Systems 30014367A

Regular price $64.26

Regular price Sale price $64.26
Unit price per
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 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 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 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
Unit price per
RINNAI® Circ-Logic Dual Timer Controller For Recirculation

RINNAI® Circ-Logic Dual Timer Controller For Recirculation

Regular price $349.77

Regular price Sale price $349.77
Unit price per

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.

© 2026 Gas Warehouse. All Rights Reserved.