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  1. RV Water Heater
  2. Dometic
  3. Standard Water Heater
  4. Gas and Electric
  5. 12-3/4L x 12-3/4W x 19-7/8D Inch
  6. 10000 Btu or Less
Dometic RV Water Heater - Gas/Electric - Automatic Pilot - 120V - 10,000 Btu - 6 Gallon Tank
Dometic

Dometic RV Water Heater - Gas/Electric - Automatic Pilot - 120V - 10,000 Btu - 6 Gallon Tank

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$633.20
Retail:$929.67
You Save: $296.47
RV Water Heater
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This RV water heater uses an automatic direct-spark gas pilot and an internal electric heating element to get hot water ready fast. Recovers up to 12 gallons of water per hour. Unit is small and lightweight for an easy fit in your RV's cabinet. Great Prices for the best rv water heater from Dometic. Dometic RV Water Heater - Gas/Electric - Automatic Pilot - 120V - 10,000 Btu - 6 Gallon Tank part number DMC74FR can be ordered online at etrailer.com or call 1-800-940-8924 for expert service.
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Dometic RV Water Heater

Highlights

  • Quick-recovery water heater: Produces up to 12 gallons per hour.
  • Gas & Electric heating: 120V electric and auto DSI gas options for heat flexibility.
  • Compact & lightweight: Easily fits in RV cabinets; tank holds 6 gallons.
  • Robust 10,000 Btu burner: Ensures efficient heating for long showers.
  • High-altitude ready: Adjustable combustion shutter optimizes flame.
  • Corrosion-resistant design: Aluminum-clad tank reduces calcium buildup.

Features to know about

Get Hot Water Fast: Quick-Recovery System

Tired of waiting for hot water in your RV? The Dometic RV Water Heater swiftly provides up to 12 gallons of hot water per hour, thanks to its 10,000 Btu heating capacity. This ensures you have a continuous supply of hot water for showers and chores, making your home away from home comfort seamless.

Compact Fit, Big Performance: Lightweight, Space-Saving Design

Perfect for tight spaces, this water heater features a compact design, fitting snugly in your RV's cabinet without sacrificing performance. Measuring just 12-3/4 inches tall and wide, and 19-7/8 inches deep, it seamlessly integrates into your setup while efficiently warming water to meet your needs.

Versatile Power Options: Dual Gas and Electric Operation

Why settle for one power source when you can have both? With dual gas and electric operation, this water heater gives you the flexibility to use either a direct-spark gas pilot or a 120V electric element. This dual option ensures you have hot water ready, no matter the situation.

Safe and Reliable: Thermostatic Control and Safety Features

Enjoy peace of mind with features designed for safety and reliability. The unit comes with thermostatic control to prevent overheating and a high-temperature limit switch that automatically shuts off the heater if it gets too hot. Combined with a pressure-relief valve to manage water expansion, you can trust this heater to keep operations safe.

Durable and Efficient: Incoloy Heating Construction

Built to last, the Incoloy construction of the heating element prevents burnout, providing long-term reliability and efficient heating. This advanced material ensures that your water heater remains operational, offering consistent hot water through all your camping adventures.

Easy DIY or Pro Installation: Straightforward Setup

Simplify your installation with this user-friendly unit, whether you're a DIY enthusiast or prefer professional assistance. The clear-cut dimensions and design allow for a straightforward setup, making it accessible for users at all experience levels, and ensuring you’re up and running in no time.

Specs

Heating Specifications

  • Heating capacity: 10,000 Btu

Dimensions

  • Cutout dimensions: 12-3/4" tall x 12-3/4" wide x 19-7/8" deep

Capacity

  • Tank capacity: 6 gallons

Weight

  • Weight: 18 lbs

Electrical Specifications

  • Voltage: 120 Volts
  • Wattage: 1,400 watts

Gas Specifications

  • Gas line: 3/8" outer diameter

Warranty

  • Warranty: 2-Year warranty

Note

Installation and service must be performed by a qualified installer, service agency, or gas supplier.

9600024379 Dometic Atwood Quick Recovery RV Water Heater - Propane Gas and Electric - Direct Spark Ignite - 120 Volts - 1400 Watts - 10,000 Btu - 6 Gallon Tank

Model WH-6GEA

958706044

Item # DMC74FR

Installation Details DMC74FR Installation instructions


California residents: click here


Customer Satisfaction Score:

Ratings & Reviews

4.6

163 reviews
This RV water heater uses an automatic direct-spark gas pilot and an internal electric heating element to get hot water ready fast. Recovers up to 12 gallons of water per hour. Unit is small and lightweight for an easy fit in your RV's cabinet.

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Quick shipment



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Great product!



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Item received thank you



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Perfect fit and it fired right up



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Product arrived in a timely manner and installed the component in 2hrs.



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Good product....great service



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I’ve enjoyed everything I’ve got from ETrailor everyone was very accommodating and easy to work with. Thank each and everyone of you and thank you Tara.



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Great water heater.



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Received AT94022 water heater in 2 days, packaged was undamaged and everything in great shape! Will be installing it over the weekend so we're ready for our short vacation to the Smokey mountains!



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Excellent product, prompt delivery, tracking info outstanding, I would recommend this company to all my friends.



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Quick shipping and easy website



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this unit fit right back in place of the old one, with the exception that there was a head scratcher til I figured out the difference in the wiring, but overall a great unit



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Came in 2 days, free shipping. No damage. No parts missing. Very happy with this purchase experience.



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My water heater arrived with the box poorly taped and one corner damaged.the front of the water heater sheet metal was bent but not to difficult to straighten (light gage metal).I then installed,wired and plumed worked just great.



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We received the water heater a full day ahead of schedule! We have not had the opportunity to install yet but have had previous experience with items from etrailer and are confident that this product will work perfectly. Thank you etrailer for your continued support to the RV community with great products at good prices.



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3 time dealing with e trailer needed a hot water heater fast , camping world was close,but e trailer assured me I could get it the next day ,and they did! And the best part was it was hundreds , yes I said hundreds of dollars cheaper for the exact same item ! Nice work from natille very polite and helpful.great dealing with them all 3 times. I’d be crazy to shop any where else for my rv.



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Excellent quality and fast delivery. Will use etrailer from here on out. 5 stars!



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Direct replacement for my Atwood 10 gal.
Arrived
ahead of shipping schedule and was fairly easy to install (slightly complicated by my by-pass valve and no access from the rear of the unit in my RV).
Couldn't be happier with the e-trailer transaction. Nice to have a fully functioning water heater again.


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See what our Experts say about this Dometic RV Water Heater

  • Correct Replacement for an Atwood Water Heater GC6AA-9E
    The correct replacement for an Atwood Water Heater GC6AA-9E is the Dometic RV Water Heater part # DMC74FR. This is a 6 gallon water heater that works with both gas and electric just like the one you have so it will be an exact match.
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  • Replacement Water Heater Option For A Atwood AT94023 On A 2004 Itasca Suncruiser
    For your 2004 Itasca Suncruiser, with an Atwood RV Water Heater w/ Heat Exchange AT94023, which is no longer available, I recommend going with the Dometic RV Water Heater # DMC74FR. This tank is a bit smaller at 6 gallons, versus AT94023 10 gallon capacity, but will also produce up to 12 gallons of hot water per hour, which should be plenty. Additionally, this unit has an aluminum clad tank, that does a great job preventing corrosion, and also has a high-temperature limit switch, which...
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  • Recommended Replacement For An Atwood G6A-8E RV Water Heater
    We do carry the Dometic RV Water Heater # DMC74FR which you could use to replace your Atwood G6A-8E 6 gal RV Water Heater, but I highly recommend switching over to a tankless system like the Furrion RV Tankless Water Heater 60,000 BTU # FR98SR. This unit features a heating capacity of 13,000 - 60,000 Btu, well above that of your Atwood. It has similar dimensions at 12-5/8" L x 12-13/16" W x 19-3/16" D so you'll need to make slight alterations to your cutout hole to fill in the gap but...
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  • Recommended Replacement for Atwood G6A-7 Water Heater
    The only tank equipped RV water heat option we currently offer is the Dometic RV Water Heater part # DMC74FR which is a 120 volt unit with 6 gallon tank and gas/electric operation. In regards to installation, this must be performed by a qualified installer, service agency, or gas supplier. That said, I have attached the wiring diagram for the above water heater below for reference. We no longer carry the Atwood RV Water Heater part AT96121 unfortunately.
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  • Insect Screen For Dometic WH-6GEA 6-Gallon Water Heater
    The Camco RV Insect Screen # CAM42150 can be used to cover the vent on your Dometic WH-6GEA # DMC74FR water heater.
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  • Can you Convert your RV Propane Water Heater to Electric
    I have a solution for you, but we do not offer a fully electric option hot water heater for RVs. If you have an Atwood, Suburban, American, or Moreflow hot water heater, you can use the Hott Rod RV Water Heater Conversion Kit # DGR6VP (6 gallon heater) or # DGR10VP (10 gallon heater). This kit will safely convert your propane water heater to electrical use while keeping your low pressure propane system in tact. The heater cord requires a 110v outlet, so if your RV electrical system does...
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  • Does Atwood Still Make 6 Gallon Water Heaters For RVs?
    Hey David, thanks for reaching out. Atwood water heaters have been discontinued for quite some time as Atwood is no longer in business. We do still carry a water heater with a 6 gallon tank, the Dometic # DMC74FR. Even standard water heaters like this are getting rarer because most people are switching to tankless. That's what I highly recommend checking out to save energy and get instant hot water, and you can replace the Atwood with the Furrion RV Tankless Water Heater # FR68SR. just...
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  • Replacement Standard tank Water Heater For an Atwood 6G Water Hearter
    We only have one water heater that is not tank-less. That is the Dometic RV Water Heater # DMC74FR. The # DMC74FR water heater has cut-out dimensions of 12-3/4" tall x 12-3/4" wide x 19-7/8" deep. The door is available as # DMC58FR. The RV industry is moving towards tankless water heaters, they are a lot more efficient and standard (tank) water heaters are getting harder to find and find replacement parts for. A tankless option like the Furrion RV Tankless Water Heater # FR93FR produces...
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  • Best Replacement For Atwood GC6AA-8E Water Heater For RV
    To replace your Atwood GC6AA-8E, by far the best option is a tankless water heater, and the one with the most similar dimensions is from Furrion: - Furrion RV Tankless Water Heater # FR93FR The # FR93FR measures 12-5/8" wide x 12-5/8" tall x 19-1/4" deep, which is very close to the 12-1/2" tall x 16" wide x 18" deep the Atwood, so you'll just need to ensure you have the added room for the new heater. Going with a tankless water heater is something that you'll never regret doing, because...
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  • Replacement Water Heater Recommendation For An Atwood GC6AA-8E Water Heater
    I went ahead and checked out the Atwood GC6AA-8E water heater you mentioned, and it turns out this water heater is discontinued. So for a replacement, I recommend checking out the: -Dometic RV Water Heater # DMC74FR. This water heater has a 6 gallon capacity, a heating capacity of 10K Btu's, and has cutout measurements of 12-3/4" tall x 12-3/4" wide x 19-7/8" deep.
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  • Recommended Replacement for Atwood GCH6A-10E RV Water Heater
    I have a solution for you, but there is not an exact size replacement available for your Atwood GCH6A-10E water heater, which looks like was 16" wide x 12-1/2" tall x 20" deep. With that said, the closest match is theDometic RV Water Heater - Gas and Electric - Automatic Pilot - 120 Volt - 10,000 Btu - 6 Gal Tank Item # DMC74FR. which is 12-3/4L x 12-3/4W x 19-7/8 Inch deep and offers both gas and electric water heating. The Double-Panel On/Off Switch # AT91230 will allow you to power...
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  • Can Dometic WH-6GEA Replace Atwood GC6AA-9E Water Heater
    Hello Ralph; the Dometic RV Water Heater # DMC74FR (WH-6GEA) is able to replace your Atwood GC6AA-9E. This is the most common replacement for your old Atwood water heater.
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  • Replacement For Atwood Water Heater on 2017 Airstream Trailer
    Hi David, what a cool collaboration with Airstream! The most direct replacement for that old Atwood 6 gallon water heater is the Dometic RV Water Heater # DMC74FR you were looking at. However, these aren't always a perfect fit so you will want to double check the space there. The cutout dimensions are 12-3/4" tall x 12-3/4" wide x 19-7/8" deep. Also, I'm really not sure on that stainless steel door, this is the first time I've seen that but it makes sense for an Airstream of course. I...
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  • Troubleshooting A DSI-FLT Error On An Atwood RV Water Heater
    DSI stands for direct spark ignition and FLT stands for fault. Normally you would see this error code on your Dometic RV Water Heater # DMC74FR if it tried to ignite the burner on the water heater but failed. First thing is to check your propane supply. The second thing would be to check the burn chamber to see if it is clogged with carbon flakes and clean it out. Since you're not running it in gas mode it means that the ECO (Energy Cut Off Switch) is causing your issue. This switch will...
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  • Does etrailer Carry Dometic WH-10GEA Water Heater to Replace Atwood GCH10A-3E
    Hi Fred; we carry the Dometic # DMC74FR which is the 6 gallon version but for whatever reason we have never had their 10 gallon water heater WH-10GE. You can stick with the Dometic if you want but I'm sorry to say you will have to pick it up elsewhere. Alternatively, you can replace your Atwood with a different 10 gallon water heater like the GE Profile RV Water Heater - Gas/Electric # GE97RR (white) or # GE24RR (black). This fits cutouts measuring 12-3/4" tall x 12-3/4" wide x 26-1/4"...
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  • Can An Anode Rod Be Installed In A Dometic GC10A-4E RV Water Heater
    Since Dometic uses a clad aluminum lining on the tank to protect against corrosion it doesn't have anode rod. Instead they recommend flushing the tank to clean out any foul odors. I've attached a snippet from the manual below showing the proper steps to clean out the tank.
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    Image 1 for Image 2 for
  • Replacement 6 Gallon To Replace an ATWOOD G6A-8E Water Heater
    Great question, Joseph! If you want to stick with something similar to what you already have you would want to go with part # DMC74FR. Make sure to measure the space your original water heater is in just to make sure this water heater will fit. This heater is 12-3/4" tall x 12-3/4" wide x 19-7/8" deep. You will also want to pick up the door which is part # DMC58FR which needs a cut out of 12-3/4" wide x 12-3/4" tall. There is a possibility that your cut out may be larger, if that's the...
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  • Do I Need to Replace an Anode Rod in My Atwood GC6A-9E Water Heater, How do I get Rid of this Odor?
    Hello Fred, Great question. Your Atwood GC6A-9E water heater does not require an anode rod because it has an aluminum tank, which naturally resists corrosion. Instead, regular maintenance involves flushing the tank periodically and replacing the ½-inch NPT nylon drain plug. Anode rods are only necessary for water heaters with steel tanks. I attached instructions on how to flush out the water heater. I am curious on why you were looking to replace it, was it due to an odor?
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  • Replacement Hot Water Heater for Dometic GC6AA -10E
    Hi Jeff; do you want to stick with a model that has a tank? If so, the best replacement is the Dometic RV Water Heater # DMC74FR. This has a 6 gallon tank, produces up to 12 gallons per hour, and fits cutouts measuring 12-3/4" tall x 12-3/4" wide x 19-7/8" deep. If you would like to switch to a tankless water heater I recommend the Furrion RV Tankless Water Heater # FR92TD (16" x 18" Door) or # FR42TD (18" x 18" Door). This is capable of producing 144 gallons of hot water making it virtually...
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  • Do You Have a Water Heater to Replace My Old Atwood Water Heater with Part Number gc6aa-10e?
    Hello Steve, We do have a replacement that will fit in the same 12 3/4" x 12 3/4" x 20" deep opening, the Dometic RV Water Heater - Gas/Electric - Automatic Pilot - 120V - 10,000 Btu - 6 Gallon Tank # DMC74FR (the exact one you were looking at). Don't forget to grab a door as well, the Replacement Door for Dometic and Suburban RV Water Heater - 15" x 15" - Black # DMC58FR. What kind of camper is this going in? Any fun trips coming up?
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  • Will The Excel Tankless Water Heater Replace My Current Suburban Model?
    Hey Bob, You very well can replace your current water heater with the Excel # EX93FR tankless water heater. It can be installed almost anywhere, but you will want to make sure it has the required 2" of clearance on each side, and 8" above the unit for proper ventilation. As long as you have room this will be a nice replacement for you and keep the gas/electric that you are wanting. The overall size 11-1/4 x 14-5/8 x 5-1/4 is a little different than your Suburban model so you will want...
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  • What Might Cause an Atwood 6 Gallon Water Heater to Leak Water
    Hey Tony, i would take a closer look at where the leak is and see if it's possibly the anode rod that is corroded to the point it's allowing the water heater to leak. This is more likely what is causing the leak than the tank but let me know either way. The correct anode rod for an Atwood 6 Gallon Water Heater is the Camco RV Water Heater Anode Rod part # CAM11553 which measures 4-1/2" long x 1/2" diameter. There is also a version of this with a built-in drain valve, the part # CAM11533.
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  • Can Door From Atwood Water Heater Be Used When Changing To Dometic Tank Water Heater?
    The Dometic RV Water Heater # DMC74FR uses a different Door # DMC58FR than the one on your Atwood water heater. The vent and latches are in different locations on the doors. You may be able to have just the door paint matched at your local paint shop if you want to keep the full body paint appearance.
    view full answer...
    Image 1 for Image 2 for
  • Water Heater Replacement for 6 Gallon Atwood RV
    The Dometic RV Water Heater part # DMC74FR would be a great option to replace your current Atwood 6 gallon water heater as it is essentially a clone of what you have now. This uses propane as a fuel source to heat the water and 120 volts to ignite.
    view full answer...


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