Water Heaters - Atwood

Complete RV Water Heaters, Parts & Accessories for Every Setup

Get reliable hot water wherever you roam with our full selection of RV water heaters, repair parts, and accessories. We stock tank and tankless models from trusted brands like Suburban, Dometic (Atwood), Girard, and Furrion, along with essential components such as thermostats, gas valves, heating elements, ignitors, anode rods, and access doors. Whether you need a 6 or 10 gallon water heater for your travel trailer or a retrofit door for your tankless model, we carry everything to keep your camper, motorhome, or fifth wheel hot water system running smoothly.

For more information on how Suburban, Atwood, and Girard RV water heaters work, see our RV Water Heater Buyer’s Guide .

If you’re ready to browse or purchase your new Suburban, Atwood, or Girard RV water heater, see our RV water heater page .

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  • Dometic Atwood Wall Mount Electronic Ignition Water Heater Switch & Reset Light
    Item #: 51306
    $17.46
    5+ In Stock
  • Atwood Water Heater 91857 1/2" Drain Plug
    Item #: 51308
    $11.08
    5+ In Stock
  • Atwood Water Heater Pressure Temperature 1/2" Relief Valve
    Item #: 51370
    $46.73
    5+ In Stock
  • Atwood Water Heater 90028 Pressure Temperature 3/4" Relief Valve
    Item #: 46835
    $71.51
    5+ In Stock
  • Atwood Water Heater 91603 Safety Pilot 9" Assembly
    Item #: 51312
    $41.34
    5+ In Stock
  • Dometic Atwood Water Heater 91873 Thermostat & Eco 110V Kit
    Item #: 51293
    $27.75
    5+ In Stock
  • Dometic Atwood Water Heater Element Cover Gasket For Heating Element 91580
    Item #: 51423
    $8.69
    Out of Stock
  • Dometic Atwood Water Heater Main Burner Orifice Elbow 92071 View 1
    Item #: 51296
    $12.48
    5+ In Stock
  • Dometic Atwood 110V Water Heater Relay
    Item #: 10400
    $20.04
    5+ In Stock
  • Atwood Water Heater 91230 Dual Switch for Models 4E and 10E
    Item #: 10136
    $18.88
    5+ In Stock
  • Atwood Water Heater Ignition Control Circuit Board Kit
    Item #: 51288
    $190.94
    5+ In Stock
  • Atwood # 91346(discontinued)
    Item #: 51313
    $306.59
    5+ In Stock
  • Atwood Water Heater 92743 Main Burner Orifice 6 Gallon
    Item #: 51283
    $13.44
    5+ In Stock
  • Dometic Atwood Water Heater 6 Gallon Main Burner Tube Assembly
    Item #: 51282
    $43.95
    Out of Stock
  • Atwood Water Heater 91638 Main 6 Gallon Direct Spark Burner
    Item #: 51272
    $41.98
    5+ In Stock
  • Atwood Water Heater Spark Probe Electrode Ignitor Kit
    Item #: 51292
    $49.46
    5+ In Stock
  • Atwood Water Heater 93866 Thermal Cut Off Kit
    Item #: 51291
    $31.49
    ONLY 4 LEFT!
  • Atwood Water Heater 91447 ECO Front Mount Thermostat Assembly
    Item #: 51320
    $49.28
    5+ In Stock
  • Dometic Atwood Water Heater Access Door Mounting Corner Brackets - 4 Pack
    Item #: 97863
    $10.48
    In Stock
  • Dometic Water Heater Mounting Brackets 4471005952 View 1
    Item #: 101372
    $38.83
    In Stock
  • Atwood Polar White 10 Gallon Water Heater Door
    Item #: 51359
    $46.27
    5+ In Stock
  • Atwood Water Heater Door Mounting Hardware Kit
    Item #: 51278
    $21.93
    5+ In Stock
  • Atwood Water Heater 91470 Eco Thermostat 120 Degree
    Item #: 51268
    $11.85
    5+ In Stock
  • Atwood 10 Gallon Pilot Water Heater Burner Assembly
    Item #: 51424
    $36.92
    5+ In Stock

Everything You Need for Hot Water in Your Camper or RV

We offer more than just complete RV water heaters—we carry all the parts and accessories you need for installation, maintenance, and upgrades. From tankless propane systems to electric conversion kits, our lineup includes thermostats, anode rods, ignition boards, insect screens, replacement doors, and more. Trusted brands like Suburban, Dometic, Atwood, Camco, and Girard ensure quality and fitment across a range of camper, travel trailer, and motorhome models. Whether you're outfitting a new rig or repairing an existing unit, you'll find everything you need for consistent, efficient hot water on the road.

Frequently Asked Questions

What types of RV water heaters do you carry?

We carry tank water heaters (6, 10, and 12 gallon), as well as propane and electric tankless models from brands like Suburban, Girard, and Dometic.

Do you sell parts for repairing RV water heaters?

Yes, we offer replacement thermostats, gas valves, ignitor boards, drain plugs, heating elements, and more—everything needed to repair or maintain your system.

Can I convert my gas RV water heater to electric?

Absolutely. We offer electric conversion kits from brands like Camco and Valterra that are compatible with most 6 or 10-gallon gas units.

What’s the difference between a water heater door and access panel?

They’re often the same. These doors cover your RV water heater externally and come in various sizes and finishes to match your RV. We offer replacements for Suburban, Atwood, and tankless units.

How do I know which replacement part fits my water heater?

Check the model number on your water heater. Most parts—like thermostats and ignitor boards—list compatible models to ensure proper fitment.

Do tankless RV water heaters need special doors or hardware?

Yes, many tankless systems use retrofit doors designed for older cutouts. We offer retrofit kits for Suburban, Atwood, and Furrion tankless installations.

What are signs that my RV water heater thermostat or element is failing?

Common signs include inconsistent water temperature, no hot water, or tripped reset buttons. These issues often point to a worn thermostat or burned-out heating element.

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