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RV water heater parts restore hot water when components fail. Thermostats, heating elements, ignition controls, anode rods, and drain valves are common service items that wear out over time. Replacing individual parts often solves water heater problems at a fraction of complete unit replacement cost.

What to Know Before You Buy

  • Water heater parts are model-specific; identify your heater brand, model, and serial number before ordering.
  • Anode rods should be inspected annually and replaced when significantly depleted—they protect the tank from corrosion.
  • Ignition control boards and thermostats are common failure points; symptoms help identify which component is faulty.
  • Electric heating elements eventually burn out and are straightforward to replace on electric or dual-fuel models.

Troubleshooting a water heater issue? Describe the symptoms and heater model and we can help identify probable causes.

Free shipping on most orders $99+ (US lower 48). Expert support and 90-day returns.

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JCJ W-100 Mud Dauber Screen For Atwood 6 & 10 Gallon Water Heaters JCJ Enterprises Mud Dauber Screen For Atwood 6 & 10 Gallon Water Heaters In Stock
: $28.99
39 in stock!
JCJ W-200 Mud Dauber Screen For Suburban 10 & 12 Gallon Water Heaters JCJ Enterprises Mud Dauber Screen For Suburban 10 & 12 Gallon Water Heaters In Stock
: $33.49
28 in stock!
Camco 11553 magnesium anode rod for Atwood RV water heaters, 4.5 inch length, 1/2 inch NPT thread, corrosion protection replacement part Camco 11553 Magnesium Anode Rod for Atwood RV Water Heaters -- 4.5" x 0.5", 1/2" NPT In Stock
: $18.90
25 in stock!
Camco 11563 aluminum anode rod for Suburban and Mor-Flo RV water heaters, 9.5 inch length, 5/8 inch diameter, 3/4 inch NPT thread, Made in USA Camco 11563 Aluminum Anode Rod for Suburban & Mor-Flo RV Water Heaters -- 9.5" Length, 3/4" NPT Thread In Stock
: $13.99
37 in stock!
Dometic Gas Valve For 6-Gallon Water Heaters Dometic 92078 Gas Valve For 6-Gallon Water Heaters In Stock
: $233.99
Free Shipping 20 in stock!
Dometic 92089 Gas Valve For 10-Gallon Water Heaters Dometic Gas Valve For 10-Gallon Water Heaters In Stock
: $194.99
Free Shipping 25 in stock!
Dometic Atwood Ignition Control Circuit Board Kit For Water Heaters - Gas/Electric - Direct Replacement Dometic Atwood Ignition Control Circuit Board Kit For Water Heaters - Gas/Electric - Direct Replacement In Stock
: $97.99
39 in stock!
Suburban 234229 Wall Switch With Light Assembly For DE Water Heaters - Black Suburban 234229 Wall Switch With Light Assembly For DE Water Heaters - Black In Stock
: $11.99
34 in stock!
Camco 11562 Magnesium Anode Rod for Suburban/Mor-Flo RV Water Heaters, 9-1/2" Camco 11562 Magnesium Anode Rod for Suburban/Mor-Flo RV Water Heaters, 9-1/2" In Stock
: $12.30
34 in stock!
Camco 11630 RV water heater drain plug 1/2 inch NPT white plastic 2-pack with Teflon tape included Camco 11630 RV Water Heater Drain Plug 1/2" NPT White Plastic -- 2 Pack with Teflon Tape In Stock
: $6.16
32 in stock!
Camco 11633 RV Water Heater Drain Plug Kit with angled drain plug wrench, Teflon tape, and two 1/2-inch drain plugs, SKU 09-0005 Camco 11633 RV Water Heater Drain Plug Kit with Angled Wrench, Teflon Tape, and 1/2" Plugs -- SKU 09-0005 In Stock
: $12.25
32 in stock!
Camco 10023 RV Water Heater Continuity Tester yellow body with LED indicator and protective probe cover, 09-0099 Camco 10023 RV Water Heater Continuity Tester with LED Indicator and AA Batteries Included In Stock
: $13.49
2 in stock!
Camco 11593 magnesium anode rod 9.5 inch for Atwood 10-gallon RV water heater corrosion protection, 1/2-inch thread Camco 11593 Magnesium Anode Rod for Atwood 10-Gallon RV Water Heaters 9.5 Inch In Stock
: $25.49
36 in stock!
Camco 10473 Temperature & Pressure Relief Valve - 3/4" With 4" Probe Camco Temperature & Pressure Relief Valve - 3/4" With 4" Probe In Stock
: $16.49
30 in stock!
Suburban  233514 RV Hot Water Tank Magnesium Anode Rod Suburban RV Hot Water Tank Magnesium Anode Rod In Stock
: $17.99
40 in stock!
Suburban 233516 Water Heater Aluminum Anode Rod, 9" Length, 3/4" Thread Suburban 233516 Water Heater Aluminum Anode Rod, 9" Length, 3/4" Thread In Stock
: $17.99
34 in stock!
Camco 09-0281 9-inch gas pilot assembly direct replacement for Atwood RV water heaters, shown with included hardware Camco 09-0281 RV Gas Pilot Assembly for Atwood Water Heaters 9-Inch Replacement In Stock
: $45.99
1 in stock!
Suburban Mfg 521072 Solenoids For Water Heater Gas Valve 161109 Suburban 521072 Solenoids For Water Heater Gas Valve 161109 In Stock
: $9.94
31 in stock!
Suburban 232791 Water Heater Electrode Wire For V Series Suburban Water Heater Electrode Wire For V Series In Stock
: $7.97
12 in stock!
Atwood RV Water Heater Relay For GH/GC Series - Direct Replacement Atwood RV Water Heater Relay For GH/GC Series - Direct Replacement In Stock
: $12.50
3 in stock!
Atwood 90960 Replacement Flue Box Assembly Atwood Replacement Flue Box Assembly In Stock
: $47.49
3 in stock!
Dometic 93221 Burner For Atwood 10-Gallon Water Heaters Dometic Burner For Atwood 10-Gallon Water Heaters In Stock
: $39.49
17 in stock!
Atwood RV Water Heater Jade Pilot Assembly - Direct Replacement Atwood RV Water Heater Jade Pilot Assembly - Direct Replacement In Stock
: $8.99
8 in stock!
Dometic 91638 Burner For Atwood 6-Gallon Water Heaters Dometic Burner For Atwood 6-Gallon Water Heaters In Stock
: $34.99
39 in stock!
Atwood 91604 Water Heater Pressure Relief Valve - 1/2" NPT Atwood Water Heater Pressure Relief Valve - 1/2" NPT In Stock
: $32.99
36 in stock!
Atwood 91447 Water Heater Thermostat Assembly With High Limit Control Atwood 91447 Water Heater Thermostat Assembly With High Limit Control In Stock
: $21.99
35 in stock!
Atwood Thermo Disc 110 Volt Water Heater Thermostat, 120 Degrees, Front Mount Atwood Thermo Disc 110 Volt Water Heater Thermostat, 120 Degrees, Front Mount In Stock
: $12.49
38 in stock!
Atwood 91858 Water Heater Access Door Mounting Bracket Kit Atwood Water Heater Access Door Mounting Bracket Kit In Stock
: $14.33
32 in stock!