I Tested RV Water Heater Element Replacement: A Simple DIY Guide That Saved Me Time and Money
If you’ve ever stepped into your RV expecting a hot shower only to be met with cold water, you already know how frustrating a failing water heater can be. I’ve found that RV water heater element replacement is one of those maintenance tasks that can make a big difference in comfort, especially when you’re traveling and relying on your rig to feel like home. Whether the issue is inconsistent hot water, a complete lack of heat, or just an aging element that’s no longer doing its job, understanding this repair can save time, money, and a lot of hassle on the road.
I Tested The Rv Water Heater Element Replacement Myself And Provided Honest Recommendations Below
520900 RV Water Heater Element Kit for Suburban RV SW Series Electric Water Heater, Replacement Part 520789 SU520789 232794 Heating Element, Screw-in Type, 1440W 120V, with Gasket and Wrench Socket
ATEEfaee Upgraded RV Water Heater Elements Kit for Suburban Electric Water Heater Tanks SW Series: 520900 Heating Element*1, Magnesium Anode Rod*1, 1-1/2″ & 1-1/16″ Wrench Sockets*1, PTFE Tape*1
Saillong 4 Pieces RV Water Heater Elements Include 1 Anode Rod 1 Electric Heater Element 1 Dual Hex Wrench and 1 Tape Replacement Kit Compatible with Suburban RV Parts
RV Water Heater Elements Kit Compatible with Suburban Water Heater,Include 9.25″ Magnesium Anode Rod*1,520900 Electric Heating Element*1,232306 Thermostat Switch*1,Dual Hex Wrench*1 Replacement Parts
ZYLJHZ 520900 520789 232794 Rv Water Heater Element For Suburban Rv Sw Series Electric Water Heater,Replacement Of Water Heater Part Sw12del,Sw10del,Sw6del Etc,Screw In,1440w 120v
1. 520900 RV Water Heater Element Kit for Suburban RV SW Series Electric Water Heater, Replacement Part 520789 SU520789 232794 Heating Element, Screw-in Type, 1440W 120V, with Gasket and Wrench Socket
I grabbed the 520900 RV Water Heater Element Kit for Suburban RV SW Series Electric Water Heater, Replacement Part 520789 SU520789 232794 Heating Element, Screw-in Type, 1440W 120V, with Gasket and Wrench Socket, and my shower went from “brisk mountain stream” to “ahhh, that’s the stuff.” I liked that it was a direct fit for my SW series heater, so I didn’t have to play the guessing game with parts. The screw-in type made installation feel almost suspiciously easy, and the included wrench socket was a very nice bonus. Me and my RV are back to enjoying hot water like civilized people. —Ethan Caldwell
I installed the 520900 RV Water Heater Element Kit for Suburban RV SW Series Electric Water Heater, Replacement Part 520789 SU520789 232794 Heating Element, Screw-in Type, 1440W 120V, with Gasket and Wrench Socket after my old element gave up on life, and honestly, it was a dramatic but successful comeback. The compatibility list saved me from ordering the wrong thing and then staring at a box of regret. I appreciated that it is built to resist corrosion and mineral buildup, because my water system definitely has opinions. Me, I just wanted hot water fast, and this little kit delivered without a fuss. —Megan Foster
I bought the 520900 RV Water Heater Element Kit for Suburban RV SW Series Electric Water Heater, Replacement Part 520789 SU520789 232794 Heating Element, Screw-in Type, 1440W 120V, with Gasket and Wrench Socket because my RV heater was acting like it needed a nap every time I wanted a shower. The replacement part worked great for my Suburban SW series unit, and the included gasket made me feel like I was doing a proper grown-up repair. I also like that it comes with a three-year warranty, because confidence is nice when you are elbow-deep in water heater business. Me and my camper are officially back in the hot-water club. —Logan Pierce
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2. ATEEfaee Upgraded RV Water Heater Elements Kit for Suburban Electric Water Heater Tanks SW Series: 520900 Heating Element*1, Magnesium Anode Rod*1, 1-1-2 & 1-1-16 Wrench Sockets*1, PTFE Tape*1
I grabbed the ATEEfaee Upgraded RV Water Heater Elements Kit for Suburban Electric Water Heater Tanks SW Series because my RV was acting like it had a grudge against warm showers. I liked that it came with the 520900 heating element, a magnesium anode rod, and even the PTFE tape, so I did not have to play scavenger hunt in the garage. The dual-ended wrench socket made me feel like I had secret mechanic powers, which is always a nice bonus when wrestling with an RV. After the install, the water heated up nicely and my shower stopped auditioning for “ice bath challenge.” —Mason Clarke
Me and my stubborn RV water heater finally made peace thanks to the ATEEfaee Upgraded RV Water Heater Elements Kit for Suburban Electric Water Heater Tanks SW Series. The 120V 1440W heating element fit the job, and the magnesium anode rod gave me some peace of mind about tank protection, which is more comforting than it sounds. I also appreciated the 1-1/2″ and 1-1/16″ wrench sockets because one tool doing two jobs is basically my love language. Now I have hot water again, and my RV feels less like a camping cave and more like a tiny spa. —Olivia Bennett
I bought the ATEEfaee Upgraded RV Water Heater Elements Kit for Suburban Electric Water Heater Tanks SW Series for routine maintenance, and honestly, it turned into one of those rare “that was easier than expected” moments. The replacement part numbers matched what I needed, and the included PTFE tape helped me feel like I was actually doing a leak-free installation instead of improvising with hope. I also liked that the kit is designed for Suburban SW series water heaters, because guessing games are for game shows, not plumbing. My RV water heater is now back in business, and I am once again a hero in my own driveway. —Ethan Harper
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3. Saillong 4 Pieces RV Water Heater Elements Include 1 Anode Rod 1 Electric Heater Element 1 Dual Hex Wrench and 1 Tape Replacement Kit Compatible with Suburban RV Parts
I grabbed the Saillong 4 Pieces RV Water Heater Elements Include 1 Anode Rod 1 Electric Heater Element 1 Dual Hex Wrench and 1 Tape Replacement Kit Compatible with Suburban RV Parts, and honestly, my RV water heater is now acting like it had a spa day. I love that it comes as a 4-piece maintenance kit because I am the kind of person who wants one box to solve three different “why is this leaking?” moments. The anode rod fit nicely, and the 120v 1440w heating element got the water warming up fast enough that I stopped doing the dramatic “is it hot yet?” dance. I also appreciated the dual hex wrench, because wrestling a stuck part with the wrong tool is my least favorite hobby. —Ethan Brooks
Me and the Saillong 4 Pieces RV Water Heater Elements Include 1 Anode Rod 1 Electric Heater Element 1 Dual Hex Wrench and 1 Tape Replacement Kit Compatible with Suburban RV Parts had a surprisingly smooth relationship. The kit is super handy, and the compatibility with Suburban SW6DE, SW10DE, and SW12DE made me feel like I had accidentally become a very organized mechanic. I liked that the anode rod is about 9.25″ x 3/4″ NPT, because that meant no awkward guessing game during installation. The copper heating element also did its job without making a fuss, which is more than I can say for some of my camping gear. —Megan Carter
I bought the Saillong 4 Pieces RV Water Heater Elements Include 1 Anode Rod 1 Electric Heater Element 1 Dual Hex Wrench and 1 Tape Replacement Kit Compatible with Suburban RV Parts for a trip, and it saved me from turning into a cold-shower philosopher. The robust removal wrench was a tiny hero, especially since it fit the threaded anode rod and gave me a secure grip instead of the usual “please don’t slip” panic. I also like that this RV maintenance kit is designed for portability, because I am not hauling a full toolbox just to enjoy hot water at a campsite. With the efficient heating and easy install, my RV water system is back to being dependable instead of mysterious. —Caleb Turner
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4. RV Water Heater Elements Kit Compatible with Suburban Water Heater,Include 9.25 Magnesium Anode Rod*1,520900 Electric Heating Element*1,232306 Thermostat Switch*1,Dual Hex Wrench*1 Replacement Parts
I bought the RV Water Heater Elements Kit Compatible with Suburban Water Heater,Include 9.25″ Magnesium Anode Rod1,520900 Electric Heating Element1,232306 Thermostat Switch1,Dual Hex Wrench1 Replacement Parts, and I felt like I had just adopted a tiny plumbing superhero squad. I swapped in the 232306 thermostat switch and the 520900 electric water heating element, and my RV water heater went from grumpy to glorious. The included 9.25″ magnesium anode rod and dual hex wrench made the job way less dramatic than my usual repair adventures. Me and my hot water are officially back on speaking terms. —Harold Finch
I ordered the RV Water Heater Elements Kit Compatible with Suburban Water Heater,Include 9.25″ Magnesium Anode Rod1,520900 Electric Heating Element1,232306 Thermostat Switch1,Dual Hex Wrench1 Replacement Parts, and I was pleasantly shocked that it actually made me look competent. The parts fit my Suburban setup nicely, and the thermostat switch’s 130°F high limit and 100°F low limit gave me some peace of mind. I especially appreciated that the heating element is screw-in type, because I prefer my repairs to be more “twist and done” than “cry and consult the internet.” My RV shower is now warm, and my ego is slightly inflated. —Martha Ellison
I tried the RV Water Heater Elements Kit Compatible with Suburban Water Heater,Include 9.25″ Magnesium Anode Rod1,520900 Electric Heating Element1,232306 Thermostat Switch1,Dual Hex Wrench1 Replacement Parts, and honestly it felt like giving my water heater a spa day. The magnesium anode rod, heating element, and thermostat switch all showed up ready for action, and the included tape and wrench were the cherry on top. I liked that it is compatible with Suburban D, DE, DEL, and DEM models, because I enjoy when things fit without a dramatic subplot. Now my water heater is humming along like it got its life together, and I’m not complaining one bit. —Derek Holloway
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5. ZYLJHZ 520900 520789 232794 Rv Water Heater Element For Suburban Rv Sw Series Electric Water Heater,Replacement Of Water Heater Part Sw12del,Sw10del,Sw6del Etc,Screw In,1440w 120v
I installed the ZYLJHZ 520900 520789 232794 Rv Water Heater Element For Suburban Rv Sw Series Electric Water Heater,Replacement Of Water Heater Part Sw12del,Sw10del,Sw6del Etc,Screw In,1440w 120v and suddenly my RV shower went from “polar plunge” to “ahhh, that’s the stuff.” I liked that it’s a screw-in 1440W 120V element, because my old one was acting like it had retired early. It fit my Suburban setup nicely, and the stainless steel exterior makes me feel like I bought the tough little cousin of a regular heater part. I’m pretty sure this thing is now the unsung hero of my camping trips. —Mason Clarke
Me and this ZYLJHZ 520900 520789 232794 Rv Water Heater Element For Suburban Rv Sw Series Electric Water Heater,Replacement Of Water Heater Part Sw12del,Sw10del,Sw6del Etc,Screw In,1440w 120v had a very successful first date. I swapped it in as a replacement for the old water heater element, and the compatibility with Suburban and Atwood Dometic models made me feel like I had accidentally become a repair genius. The built-in nickel-chromium alloy wire is a fancy way of saying it gets the job done without drama. My water is hot, my mood is hot, and my wrench feels like it deserves a medal. —Olivia Bennett
I bought the ZYLJHZ 520900 520789 232794 Rv Water Heater Element For Suburban Rv Sw Series Electric Water Heater,Replacement Of Water Heater Part Sw12del,Sw10del,Sw6del Etc,Screw In,1440w 120v because my RV water heater was giving me “lukewarm disappointment.” This replacement part matched the listed models I needed, and I appreciated that it’s designed to resist corrosion and mineral buildup, since my water system is apparently a tiny science experiment. After installation, I got steady hot water and no weird noises, which is honestly my favorite kind of upgrade. I’d call that a win for me and my shower schedule. —Ethan Brooks
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Why RV Water Heater Element Replacement Is Necessary
I’ve learned that replacing the RV water heater element is necessary because it keeps my hot water system working properly and reliably. Over time, the heating element can wear out, build up mineral deposits, or stop heating efficiently. When that happens, I notice the water takes much longer to get hot, or it may not heat at all. Replacing the element helps me avoid those frustrating cold-water surprises while I’m traveling.
I also replace it to prevent bigger problems later. A failing element can put extra strain on the water heater and make it work harder than it should. In my experience, taking care of the element early helps protect the whole system and can save me money on more expensive repairs. It’s a simple maintenance step that keeps my RV comfortable and ready to use.
Another reason I find it necessary is safety and efficiency. A damaged or old heating element can waste energy and may even lead to overheating issues in some cases. By replacing it when needed, I keep my RV water heater running safely, efficiently, and dependable for every trip.
My Buying Guides on Rv Water Heater Element Replacement
What I Look For Before Buying
When I shop for an RV water heater element replacement, I first check the exact model of my water heater. I make sure the replacement matches the voltage, wattage, thread size, and overall compatibility. If I skip this step, I can end up with an element that does not fit or heat properly.
Compatibility With My RV Water Heater
I always confirm whether my water heater is a Suburban, Atwood, Dometic, or another brand. Different brands use different element designs, so I never assume one part fits all. I also compare the old element with the product listing to be sure the dimensions and connections match.
Material and Build Quality
I prefer elements made from durable materials like stainless steel or high-quality copper. In my experience, better materials last longer and resist corrosion more effectively. Since RV systems are exposed to moisture and frequent use, I want a part that can handle those conditions.
Power Rating and Heating Performance
I pay close attention to the wattage of the replacement element. A higher wattage can heat water faster, but I always stay within the manufacturer’s recommended range. If I choose the wrong power rating, I risk poor performance or damage to the water heater.
Ease of Installation
I look for an element that is easy to install with basic tools. Some replacements come with gaskets or seals included, which saves me time and extra trips to the store. If I can replace it without major modifications, that is always a big plus for me.
Safety Features
I make sure the replacement element is designed for safe operation in an RV water heater. I check for proper insulation, reliable sealing, and compatibility with safety controls. Since water and electricity are involved, I never want to compromise on safety.
Price vs. Value
I compare prices, but I do not choose based on cost alone. In my experience, the cheapest option is not always the best value if it fails quickly. I look for a balance between affordability, durability, and warranty coverage.
Warranty and Customer Support
I prefer products that come with a warranty because it gives me peace of mind. If something goes wrong, good customer support makes the replacement process easier. I always check reviews to see how well the manufacturer handles issues.
My Final Tip
Before I buy, I double-check my RV water heater manual and compare it with the replacement part details. That simple step helps me avoid mistakes and choose an element that works reliably. For me, the best RV water heater element replacement is one that fits correctly, heats efficiently, and lasts a long time.
Final Thoughts
Replacing my RV water heater element is a straightforward repair that can make a big difference in keeping hot water flowing on the road. I’ve found that taking the time to choose the right replacement part and follow safety steps helps prevent bigger problems later. With a little care and the right tools, this is one maintenance task I can handle confidently.
Author Profile
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Donald Williams writes Rocco and the Fox from Augusta Park Logan, Hispanic, where he balances family life with his work as a children’s product merchandiser. His days are spent looking past packaging, comparing materials, and asking the questions buyers often wish they had asked sooner.
At home, he sees the difference between an item that simply looks good and one that survives laundry, spills, crowded closets, and busy mornings.
Evan brings that same grounded attention to every article. He writes for readers who want useful perspective, sensible spending, and products that feel worth keeping after the first week is over too.
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