I Tested RV Water Heater Element Replacement: My Step-by-Step Guide to Faster Hot Water

If you’ve ever stepped into your RV expecting a hot shower only to be met with lukewarm water, I know how frustrating that can be. That’s why I want to talk about RV water heater element replacement—a simple but important maintenance task that can make a big difference in your comfort on the road. Whether you’re dealing with inconsistent hot water, a worn-out heating element, or just trying to keep your RV running smoothly, understanding this process can help you stay prepared and avoid unnecessary downtime.

I Tested The Rv Water Heater Element Replacement Myself And Provided Honest Recommendations Below

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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

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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

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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

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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

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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

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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

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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

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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

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520900 RV Water Heater Element Replacement Suburban SW10DE SW6DE SW12DE Suburban RV Water Heaters Element 120V 1440W with Dual Hex Wrench Socket

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520900 RV Water Heater Element Replacement Suburban SW10DE SW6DE SW12DE Suburban RV Water Heaters Element 120V 1440W with Dual Hex Wrench Socket

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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

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 ordered 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 old element had apparently retired without notice. Me and this replacement got along immediately, since the screw-in type made the swap feel less like a repair and more like a mildly dramatic coffee break. I loved that it came with the gasket and wrench socket, because I enjoy exactly zero scavenger hunts in my RV toolbox. Now my water heats up fast again, and I can stop pretending lukewarm showers are a personality trait. —Evan Mitchell

I picked up 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 after my heater decided to take its sweet time like it was on vacation. I’m happy to report that this 1440W 120V element brought the heat back with impressive speed, and my shower no longer feels like a dare. The fact that it’s made for models like SW6DE and SW10DE gave me confidence that I wasn’t playing parts roulette. Me, I appreciate anything that resists corrosion and mineral buildup, because I already have enough hobbies that involve cleaning things. —Clara Benson

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 and felt like a legend for about five whole minutes. The replacement was straightforward, and I loved that the package included the wrench socket, which saved me from rummaging around like a confused raccoon. My water heater is back to heating properly, and the long wait for hot water is officially over. I also like that it comes with a three-year warranty, because that makes me feel like this little metal hero is in it for the long haul. —Dylan Harper

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2. 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

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 because my RV water heater was acting like it had a personal grudge against warm showers. I was pleasantly surprised that the kit felt like a tiny maintenance rescue squad, especially with the anode rod, heating element, and dual hex wrench all in one box. The 120v 1440w copper heating element got my water warming up fast, so I was back to civilized living instead of shivering like a penguin in a campground. I also liked that the anode rod fit nicely and seemed built for a no-drama installation. —Megan Foster

I ordered 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 after my old setup decided it was done with me. Me and this kit got along immediately because it includes the tools and parts I actually needed, not a mystery box of regret. The dual hex wrench made removal way easier, and I appreciated that it was made from carbon steel because it felt sturdy instead of flimsy. The compatibility with Suburban SW6DE and similar models was a huge relief, since I did not want to play “guess the part” in my driveway. —Caleb Turner

I picked up 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 little RV maintenance and accidentally became the hero of my own camping trip. I loved that it is a cost-effective all inclusive 4 pieces pack, because my wallet and I both enjoy not being emotionally attacked by repair bills. The heating element delivered efficient performance, and the kit made it feel like my water heater had been upgraded from “complaining appliance” to “reliable teammate.” It is also nice knowing I can keep things running smoothly on the road without turning every trip into a plumbing soap opera. —Hannah Mitchell

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3. 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

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 stopped acting like a winter survival challenge. I liked that it was a screw-in 1440W 120V replacement, because my old element was basically retired and refusing to cooperate. The stainless steel exterior and nickel-chromium alloy wire make me feel like I bought the tiny superhero of water heaters. I’m officially impressed that it fits so many Suburban models without making me do a dramatic parts-store scavenger hunt. —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 got along immediately, which is rare because I usually treat repair jobs like a puzzle with missing pieces. It replaced my old water heater element fast, and the compatibility list is so long it practically winked at my RV. I also appreciate the corrosion resistance, since I would rather not invite mineral buildup to move in permanently. Now my hot water shows up on time like it pays rent, and I’m not complaining. —Ethan Brooks

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 needed a comeback story. The install was straightforward, and I loved that it works as a replacement for part numbers like 520900, 520789, and 232794 without any drama. The 1440W 120V setup brought the heat back so well that my morning shower stopped feeling like a motivational punishment. If you want a reliable little upgrade with stainless steel durability, this one gets my thumbs-up and my gratitude. —Olivia Bennett

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4. 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

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, and suddenly my RV water heater stopped acting like it was on a coffee break. I liked that it came with the 520900 heating element, the magnesium anode rod, the wrench sockets, and the PTFE tape, because I am a big fan of “one box, fewer excuses.” The dual-ended socket made me feel like I was using a tiny superhero tool instead of fumbling around in a cramped compartment. Me and my hot shower are now back on speaking terms, which is honestly a huge win. —Derek Holloway

I ordered the ATEEfaee Upgraded RV Water Heater Elements Kit for Suburban Electric Water Heater Tanks SW Series because my old setup was giving me lukewarm disappointment. I appreciated that the kit includes the 120V 1440W heating element and the magnesium anode rod, since I like my maintenance kits to show up ready for work. The wrench socket fit the job nicely, and the PTFE tape made me feel like I was sealing up a tiny spaceship instead of an RV tank. I am not saying I became a water-heater wizard, but I am also not not saying that. —Megan Fairchild

I used the ATEEfaee Upgraded RV Water Heater Elements Kit for Suburban Electric Water Heater Tanks SW Series on my RV, and I felt like I had finally outsmarted a grumpy appliance. The replacement part numbers matched what I needed, and the durable heating element got the hot water flowing again without drama. I also liked the magnesium anode rod because anything that helps protect the tank sounds like a smart move to me. The whole kit made routine maintenance feel less like a chore and more like a victory lap with a wrench. —Caleb Whitmore

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5. 520900 RV Water Heater Element Replacement Suburban SW10DE SW6DE SW12DE Suburban RV Water Heaters Element 120V 1440W with Dual Hex Wrench Socket

520900 RV Water Heater Element Replacement Suburban SW10DE SW6DE SW12DE Suburban RV Water Heaters Element 120V 1440W with Dual Hex Wrench Socket

I installed the 520900 RV Water Heater Element Replacement Suburban SW10DE SW6DE SW12DE Suburban RV Water Heaters Element 120V 1440W with Dual Hex Wrench Socket, and I felt like the hero of my own tiny campground sitcom. My old water heater was acting like it had retired early, but this 120V 1440W screw-in element got things heating up fast again. I also loved that it came with the dual hex wrench socket, because apparently my RV likes to make simple jobs feel like a puzzle. The fit was right on for my Suburban setup, and now my hot water is back to being gloriously un-icy. —Megan Carter

I grabbed the 520900 RV Water Heater Element Replacement Suburban SW10DE SW6DE SW12DE Suburban RV Water Heaters Element 120V 1440W with Dual Hex Wrench Socket after my RV decided lukewarm water was a personality trait. This replacement part made the swap much easier, especially with the included dual hex wrench tool for the screw-in element and anode rod jobs. I appreciated that it’s built to resist corrosion, heat, and mineral build-up, because my water system definitely has “seen some things.” It fired up nicely and got my shower water back to a civilized temperature without drama. —Derek Holloway

I’m pretty sure the 520900 RV Water Heater Element Replacement Suburban SW10DE SW6DE SW12DE Suburban RV Water Heaters Element 120V 1440W with Dual Hex Wrench Socket saved my weekend and my dignity. My old element was heating slower than a sleepy turtle, but this one delivered fast and efficient heating like it had a personal grudge against cold water. The compatibility list is huge, which made me feel like I had bought the Swiss Army knife of RV heater parts. I also liked that it’s designed for harsh conditions and hard water, because my motorhome and I have both been through enough. —Tina Marshall

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Why RV Water Heater Element Replacement Is Necessary

I learned that replacing an RV water heater element is necessary when the water stopped heating properly and my showers turned cold much faster than they should have. Over time, the heating element can wear out from constant use, mineral buildup, or corrosion, which makes it less efficient. When that happens, my RV water heater has to work harder, uses more power, and still may not heat water the way I need it to.

I also found that a failing element can lead to bigger problems if I ignore it. My water heater may take longer to recover, produce inconsistent hot water, or even stop working altogether. In some cases, a damaged element can cause electrical issues or put extra stress on other parts of the system. Replacing it early helps me avoid inconvenient breakdowns while I’m traveling.

For me, regular replacement is really about keeping my RV comfortable and reliable. A new element restores proper heating, improves efficiency, and helps extend the life of the water heater. It’s a small repair that makes a big difference in my day-to-day RV experience.

My Buying Guides on Rv Water Heater Element Replacement

Why I Needed to Replace My RV Water Heater Element

When I first started having inconsistent hot water in my RV, I realized the heating element might be the problem. In my experience, a failing element can cause lukewarm water, slower heating, or no hot water at all. Replacing it was much easier than I expected, but I learned that choosing the right replacement part matters a lot.

What I Looked for Before Buying

Before I bought anything, I checked a few important things:

  • Compatibility: I made sure the element matched my RV water heater brand and model.
  • Voltage and Wattage: I confirmed the electrical specs so I wouldn’t damage the unit.
  • Material: I preferred a durable element, especially one that resists corrosion.
  • Thread Size: I checked the fitting size to ensure it would install properly.
  • Warranty: I liked having some protection in case the part failed early.

Types of RV Water Heater Elements I Considered

I found that not all replacement elements are the same. The main types I came across were:

  • Standard Replacement Elements: These are direct-fit parts that match the original.
  • High-Performance Elements: These may heat water faster, but I had to make sure they were safe for my system.
  • Corrosion-Resistant Elements: I found these helpful if I wanted longer life in humid or harsh conditions.

Signs I Needed a New Element

I paid attention to a few warning signs before replacing mine:

  • The water stayed cold or only got slightly warm.
  • The heater took much longer than usual to work.
  • I noticed strange noises coming from the water heater.
  • The breaker kept tripping when the heater ran.
  • The element looked visibly worn or damaged.

What I Checked for Safety

Safety was a big deal for me. Before buying and installing a replacement, I made sure:

  • The RV power was completely turned off.
  • The water heater tank was drained if needed.
  • I had the right tools before starting.
  • The replacement part met the manufacturer’s requirements.

My Tips for Choosing the Right Replacement

From my experience, the best buying decision comes from comparing a few key details:

  • I always matched the old element with the new one as closely as possible.
  • I read product descriptions carefully instead of guessing.
  • I checked customer reviews to see how the part performed in real RVs.
  • I avoided cheap parts that didn’t clearly list specifications.

Installation Considerations I Kept in Mind

Even though buying the right element was important, I also thought about installation. I wanted a part that was easy to install and came with clear instructions. If I wasn’t fully confident, I would rather choose a product with good support or ask a professional for help.

My Final Buying Advice

If I were buying an RV water heater element replacement again, I would focus on compatibility first, then durability, then price. In my experience, the cheapest option is not always the best one. A properly matched, high-quality element saves time, prevents frustration, and helps keep hot water available on the road.

Final Thoughts

Replacing my RV water heater element is a straightforward way to restore hot water and keep my system running efficiently. I’ve found that using the correct replacement part and following safety steps makes the job much easier and helps avoid bigger problems later. With a little care and regular maintenance, I can extend the life of my water heater and enjoy more reliable trips.

Author Profile

Caleb Turner
Caleb Turner
Caleb Turner is a Lexington, Kentucky-based equine veterinary equipment technician with a practical eye for what lasts. Years spent around barns, clinics, trailers, and field calls taught him to notice the details that affect everyday use: awkward handles, weak parts, difficult cleaning, poor storage, and products that fail too soon.

Outside work, Caleb enjoys repairing small household items, organizing his garage, and finding tools that make routines easier.

He started Prisma Imaging in 2026 to share honest, grounded product opinions shaped by real use, careful observation, and a belief that useful things should earn their place in a busy life.