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RV Gear Pro

RV Water Heaters

Your RV heats water one of two ways: a 4- or 6-gallon tank that fires on propane, 120-volt electric, or both, or a tankless unit that heats on demand. Whichever you run, the parts that keep it working live here — replacement tanks, the anode rod that protects a steel tank, heating elements and thermostats, thermocouples and ignitor boards, and the bypass kits you'll reach for at winterizing time. Start with your heater's brand and tank size, then work down to the piece you need.

95 products

Suburban Water Heater Exterior Access Door | 6 Gallon, Black, Direct-Fit Replacement

Suburban Water Heater Exterior Access Door | 6 Gallon, Black, Direct-Fit Replacement

$60.99
Suburban 6-Gallon RV Water Heater | White Door, Wall-Mount

Suburban 6-Gallon RV Water Heater | White Door, Wall-Mount

$56.99
Camco 11-1/2" Atwood Gas Pilot Assembly | Direct-Fit RV Water Heater Replacement Part

Camco 11-1/2" Atwood Gas Pilot Assembly | Direct-Fit RV Water Heater Replacement Part

$54.99
Camco RV Gas Pilot Assembly | 9", Fits Atwood Water Heaters

Camco RV Gas Pilot Assembly | 9", Fits Atwood Water Heaters

$52.99
Suburban RV Water Heater Vent Cap & Exhaust Tube | Bolt-On Replacement, 260616

Suburban RV Water Heater Vent Cap & Exhaust Tube | Bolt-On Replacement, 260616

$46.99
Girard RV Water Heater Door Trim Ring | Black, 17.5" x 17.5"

Girard RV Water Heater Door Trim Ring | Black, 17.5" x 17.5"

$42.99
MC Enterprises Water Heater Heating Element | Fits Dometic, 1,500W

MC Enterprises Water Heater Heating Element | Fits Dometic, 1,500W

$42.99
Valterra Water Heater Bypass Kit | 10 Gallon, Lead-Free, 2-Valve

Valterra Water Heater Bypass Kit | 10 Gallon, Lead-Free, 2-Valve

$41.99
Valterra Water Heater Bypass Kit | Brass Wall-Mount Valve Assembly

Valterra Water Heater Bypass Kit | Brass Wall-Mount Valve Assembly

$41.99
Camco RV Water Heater Bypass Kit | 6-Gallon Tanks, Brass Valves

Camco RV Water Heater Bypass Kit | 6-Gallon Tanks, Brass Valves

$40.99
Camco Supreme Permanent RV Water Heater Bypass Kit | 12" Hose, Brass Valves, Fits 10-Gallon Tanks

Camco Supreme Permanent RV Water Heater Bypass Kit | 12" Hose, Brass Valves, Fits 10-Gallon Tanks

$40.99
Valterra Water Heater Bypass Kit | 6-Gallon Tanks, Compact Design

Valterra Water Heater Bypass Kit | 6-Gallon Tanks, Compact Design

$39.99
MC Enterprises Electrode Assembly for Dometic Water Heaters

MC Enterprises Electrode Assembly for Dometic Water Heaters

$38.99
Camco Magnesium Anode Rod | 9.5" x 1/2" NPT, for 10-Gallon Atwood Water Heaters

Camco Magnesium Anode Rod | 9.5" x 1/2" NPT, for 10-Gallon Atwood Water Heaters

$33.99
Valterra Water Heater Vent Bug Screen | Stainless Steel Mesh, Universal Fit

Valterra Water Heater Vent Bug Screen | Stainless Steel Mesh, Universal Fit

$32.99
120V Electric Water Heater Thermostat | SW Model Replacement

120V Electric Water Heater Thermostat | SW Model Replacement

$29.99
Camco Magnesium Anode Rod with Drain Valve | For Atwood-Style Aluminum Water Heaters

Camco Magnesium Anode Rod with Drain Valve | For Atwood-Style Aluminum Water Heaters

$29.99
Camco Universal T&P Valve Remover | Fits 7/8" Wrench, RV Water Heaters

Camco Universal T&P Valve Remover | Fits 7/8" Wrench, RV Water Heaters

$29.99
Dometic 6-Gallon RV Water Heater | Indoor Installation Style

Dometic 6-Gallon RV Water Heater | Indoor Installation Style

$29.99
MC Enterprises Thermal Cut-Off Kit for Dometic Water Heaters

MC Enterprises Thermal Cut-Off Kit for Dometic Water Heaters

$29.99
Watts 3/4" Temperature & Pressure Relief Valve | All-Brass, Self-Closing

Watts 3/4" Temperature & Pressure Relief Valve | All-Brass, Self-Closing

$29.99
Camco Temperature & Pressure Relief Valve | 1/2" NPT, 4" Probe, 150 PSI

Camco Temperature & Pressure Relief Valve | 1/2" NPT, 4" Probe, 150 PSI

$27.99
Camco Professional Water Heater Element Socket | 1/2" Drive

Camco Professional Water Heater Element Socket | 1/2" Drive

$26.99
Suburban 232317 Water Heater Temperature Limit Switch | 140°F, 120V

Suburban 232317 Water Heater Temperature Limit Switch | 140°F, 120V

$26.99
Suburban 232319 Water Heater Thermostat Switch | 12V, 140°F DSI

Suburban 232319 Water Heater Thermostat Switch | 12V, 140°F DSI

$26.99
Camco Flying Insect Screen with Install Tool | Fits Suburban 10/12/16-Gal Water Heaters

Camco Flying Insect Screen with Install Tool | Fits Suburban 10/12/16-Gal Water Heaters

$25.99
Camco RV Water Heater Vent Screen | Stainless Mesh, Fits Atwood 6/10-Gal & Suburban 6-Gal

Camco RV Water Heater Vent Screen | Stainless Mesh, Fits Atwood 6/10-Gal & Suburban 6-Gal

$25.99
JCJ Mud Dauber Screen for RV Water Heater

JCJ Mud Dauber Screen for RV Water Heater

$25.99
Camco Flying Insect Screen | Suburban 6-Gallon Water Heater (WH 400)

Camco Flying Insect Screen | Suburban 6-Gallon Water Heater (WH 400)

$24.99
Camco Temperature & Pressure Relief Valve | 1/2" NPT with 4" Probe, 150 PSI

Camco Temperature & Pressure Relief Valve | 1/2" NPT with 4" Probe, 150 PSI

$24.99
MC Enterprises ECO Thermostat Kit for Dometic Water Heaters

MC Enterprises ECO Thermostat Kit for Dometic Water Heaters

$24.99
Camco Aluminum RV Water Heater Anode Rod | 3/4" NPT, Suburban/Mor-Flo

Camco Aluminum RV Water Heater Anode Rod | 3/4" NPT, Suburban/Mor-Flo

$23.99
Camco Water Heater T&P Relief Valve | 3/4" with 4" Probe, 150 PSI

Camco Water Heater T&P Relief Valve | 3/4" with 4" Probe, 150 PSI

$23.99
Camco Magnesium Anode Rod | 4.5" x 1/2" NPT, for Atwood Water Heaters

Camco Magnesium Anode Rod | 4.5" x 1/2" NPT, for Atwood Water Heaters

$22.99
Camco Aluminum RV Water Heater Anode Rod | Suburban/Mor-Flo, Bulk

Camco Aluminum RV Water Heater Anode Rod | Suburban/Mor-Flo, Bulk

$21.99
Camco Screw-In Water Heater Element | 240V / 3,500W, High Watt Density

Camco Screw-In Water Heater Element | 240V / 3,500W, High Watt Density

$20.99
Suburban RV Water Heater Burner Assembly with Orifice | Part 010843

Suburban RV Water Heater Burner Assembly with Orifice | Part 010843

$19.99
Valterra RV Water Heater Flush Kit

Valterra RV Water Heater Flush Kit

$19.99
Camco Flying Insect Screen for Dometic Water Heaters | 6-Gallon

Camco Flying Insect Screen for Dometic Water Heaters | 6-Gallon

$18.99
Ultra-Fab Bug Stopper Water Heater Vent Screen, Atwood/Suburban

Ultra-Fab Bug Stopper Water Heater Vent Screen, Atwood/Suburban

$18.89

Finding the right water heater part

An RV water heater runs fine until it doesn't, and the fix almost always lands in one of three areas: the tank, the sacrificial anode that protects it, or the gas and electric controls that fire it. This section is organized the same way.

  • Water Heaters — complete 6-gallon tank units from Suburban and Dometic, plus the bypass kits, access doors, and bug screens that go with a tank.
  • Anode Rods — sacrificial magnesium rods that corrode in place of a steel tank, sized to fit Suburban and Atwood-style heaters.
  • Elements & Thermostats — the working guts: heating elements, thermostats, thermocouples, T&P relief valves, and universal ignitor boards.

Symptoms point you to the right shelf. A cold tank on gas usually traces to the ignitor board or thermocouple; a cold tank on electric to the element or thermostat; rusty or smelly water to the anode rod. Match every part to your heater's brand and gallon size before you buy.

Frequently asked questions