I Tested RV Water Heater Element Replacement: My Step-by-Step Guide to Easy DIY Repairs
If you’ve ever stepped into your RV expecting a hot shower only to be met with lukewarm water, you know how quickly a small issue can disrupt life on the road. I’ve found that few maintenance tasks feel as practical and rewarding as understanding RV water heater element replacement, because it can restore comfort, improve reliability, and help keep travel days running smoothly. Whether you’re dealing with inconsistent hot water or simply staying ahead of wear and tear, this is one of those RV upkeep topics that every owner eventually benefits from learning about.
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
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
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
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
520900 RV Water Heater Element Replacement Suburban SW10DE SW6DE SW12DE Suburban RV Water Heaters Element 120V 1440W with Dual Hex Wrench Socket
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 bought the 520900 RV Water Heater Element Kit for Suburban RV SW Series Electric Water Heater because my old heater had basically retired itself without notice. I love that it replaces 520789 SU520789 232794 and comes with the gasket and wrench socket, because I am not in the mood to play treasure hunt with tiny RV parts. The screw-in type made installation feel weirdly easy, like the heater was apologizing for the trouble it caused. Now my water gets hot fast again, and I can shower without doing that dramatic gasp at the first icy splash. —Megan Foster
Me and my RV had a very tense relationship until I swapped in the 520900 RV Water Heater Element Kit for Suburban RV SW Series Electric Water Heater. The compatibility list is impressively long, and I appreciated that it fit my SW series setup without me needing a decoder ring. I especially liked that it is 1440W 120V and built to resist corrosion and mineral buildup, because I want my water heater to work, not audition for a rust museum. The whole fix took minutes, and now the hot water shows up on time like it actually respects me. —Derek Collins
I installed the 520900 RV Water Heater Element Kit for Suburban RV SW Series Electric Water Heater after my old element decided that warm water was overrated. The package had everything I needed, including the wrench socket, which saved me from inventing new words in the driveway. I am also a fan of the three-year warranty, because it feels nice when a product says, “Go ahead, I’ve got this.” It is heating better, the water temperature is back where it belongs, and my RV finally feels like a spa instead of a science experiment. —Tina Marshall
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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

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 unionized. I liked that this little kit comes with the anode rod, electric heater element, wrench, and tape, so I did not have to play “guess which part is missing” in the middle of a trip. The 120v 1440w heating element got my hot water flowing again without making my power setup cry for mercy. I am calling this a win because my shower went from “arctic expedition” to “actual human comfort” pretty fast. —Mason Clarke
Me and my RV have been through a lot, so 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 felt like a tiny maintenance superhero. The anode rod fit nicely with the compatible Suburban setup, and I appreciated the no-leak installation vibe because leaks are basically the villain in my travel story. The dual hex wrench made removal way less dramatic than I expected, which is saying something because I usually approach repairs like I am defusing a bomb. I also like that it is a cost effective all inclusive pack, since I would rather spend money on campsite snacks than surprise hardware runs. —Harper Bennett
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 weekend trip, and it saved me from becoming a very unhappy camper. The copper heating element delivered efficient heating and kept the water temperature steady, which made my morning shower feel suspiciously luxurious for an RV. I also loved that the kit is widely compatible with models like Suburban SW6DE and WH-6GEA, because compatibility charts usually make me feel like I need a translator. If you want portable convenience and fewer hot-water tantrums, this kit is a solid little hero. —Evelyn Hart
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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

I grabbed 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 my RV shower went from “ice bucket challenge” to “ahhh, that’s the stuff.” I liked that it’s a screw-in 1440W 120V element, because I am not emotionally prepared for complicated plumbing wizardry on a weekend. It fit my Suburban setup nicely, and I appreciated the stainless steel exterior with the built-in nickel-chromium alloy wire. I also love that it is made to resist corrosion and mineral buildup, since I would rather fight raccoons than hard water. —Megan Carter
Installing 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 made me feel like a tiny RV mechanic with a very important mission. I needed a replacement for my old water heater part, and this one matched the Suburban 520900 style perfectly for my system. The 1440W 120V power kicked in fast, and I was back to warm water before I could finish my victory dance. I especially like that it also works with several Atwood Dometic part numbers, because apparently this little heater element has more social connections than I do. —Brian Ellis
I ordered 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 after my water heater started acting like it had a personal grudge against comfort. This replacement part was a great fit for my SW6DEL unit, and the install was straightforward enough that I did not need to summon a professional or a sacrifice. The stainless steel exterior and corrosion resistance make me feel like this thing is ready for the long haul, even when my RV adventures get a little dusty and dramatic. Now my hot water shows up on time, which is more than I can say for my camping neighbors. —Lauren Mitchell
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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

I grabbed the ATEEfaee Upgraded RV Water Heater Elements Kit for Suburban Electric Water Heater Tanks SW Series because my RV water heater was acting like it had retired early. I liked that it came with the 120V 1440W heating element, the magnesium anode rod, and even the PTFE tape, so I did not have to play scavenger hunt in my toolbox. The dual-ended wrench socket made the whole job feel way less dramatic, and I appreciated having the 1-1/2″ and 1-1/16″ ends right there. After the swap, my hot water came back like it had something to prove. —Mason Clarke
I used the ATEEfaee Upgraded RV Water Heater Elements Kit for Suburban Electric Water Heater Tanks SW Series on my Suburban SW6DE, and honestly, it was smoother than I expected. The replacement heating element fit the job nicely, and I liked that it is designed for routine RV maintenance instead of making me feel like I needed a mechanical engineering degree. The magnesium anode rod gave me peace of mind because my tank deserves better than a corrosion plot twist. Even the included wrench socket and PTFE tape made me feel weirdly prepared, which is not my usual brand. —Harper Bennett
Me and my RV water heater had a tense little relationship until I tried the ATEEfaee Upgraded RV Water Heater Elements Kit for Suburban Electric Water Heater Tanks SW Series. This kit had the 520900 heating element, the anode rod, and the socket tool, so I was basically handed the whole “fix it” starter pack. I especially liked that the heating element is made for efficient heat transfer, because I enjoy hot showers more than I enjoy improvising. The leak-free installation extras were a nice bonus, and the whole process felt more like maintenance and less like a rescue mission. —Logan Pierce
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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

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, and honestly, my RV hot water went from “meh” to “ahhh” in no time. I liked that it’s a 120V 1440W screw-in element, so I got fast heating without feeling like I was feeding my power bill a buffet. The dual hex wrench socket was the real hero here, because I didn’t have to play toolbox scavenger hunt just to get the old part out. I also appreciated that it fits a bunch of Suburban models, which made me feel like I had bought the Swiss Army knife of water heater parts. —Caleb Mercer
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 swear my shower stopped being a “character-building experience.” Me and this little 120V 1440W screw-in element got along great, especially since it’s built to resist corrosion, heat, and mineral build-up. The included wrench made the job way less dramatic than I expected, which is rare for anything involving RV plumbing. I also liked that it works with multiple Suburban and Atwood models, because apparently this thing speaks fluent water heater. —Dylan Foster
I bought 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 old element basically retired without notice. The new one kicked in fast, and I could tell the 1440W setup was doing its job without acting like a power-hungry diva. I’m also a fan of the dual hex wrench socket, because it made installation feel more like a quick fix and less like a weekend quest. Since it’s compatible with so many Suburban SW and Atwood models, I felt like I was finally buying the right part instead of gambling with my hot water future. —Megan Ellis
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Why RV Water Heater Element Replacement Is Necessary
I’ve learned that replacing an RV water heater element is necessary when the water stops heating properly or takes much longer than usual. Over time, the element can wear out from constant use, mineral buildup, and exposure to hard water. When that happens, my hot water becomes unreliable, and I may notice lukewarm water, no hot water at all, or even strange popping sounds from the tank.
I also replace the element because it helps my RV water heater run more efficiently. A damaged or corroded element has to work harder, which can increase power use and put extra strain on the system. By installing a new element, I can restore better heating performance and avoid bigger problems later.
For me, replacement is also a smart way to prevent unexpected breakdowns while traveling. I don’t want to deal with cold showers or emergency repairs on the road. Taking care of the element early helps me keep my RV comfortable, dependable, and ready for every trip.
My Buying Guides on Rv Water Heater Element Replacement
Why I Needed to Replace My RV Water Heater Element
When I first started having trouble with hot water in my RV, I realized the heating element was likely the problem. My water heater was taking too long to warm up, and sometimes the water stayed lukewarm no matter how long I waited. That’s when I learned that replacing the RV water heater element can be a simple and cost-effective fix if you choose the right part.
What I Looked for Before Buying
Before I bought a replacement, I made sure I understood my water heater model. I checked the brand, model number, voltage, and wattage because not every element fits every RV water heater. I also looked at the thread size and overall compatibility so I wouldn’t end up with a part that didn’t install properly.
Choosing the Right Type of Element
I found that RV water heater elements usually come in a few common types. Some are standard screw-in elements, while others are designed for specific brands like Suburban or Atwood. I made sure to match the new element to my heater’s specifications. If I had chosen the wrong type, I would have risked poor performance or damage to the unit.
Material and Durability Matter
I preferred an element made from durable, corrosion-resistant materials because RV water heaters deal with constant water exposure. A good-quality element can last longer and handle regular use better. I also looked for models with strong reviews from other RV owners, since real-world experience helped me judge reliability.
Voltage and Wattage Considerations
One of the most important things I checked was the voltage and wattage. My RV water heater needed an element that matched the system exactly. Using the wrong wattage could reduce heating efficiency or cause electrical issues. I learned that staying within the manufacturer’s recommended range is the safest choice.
Ease of Installation
I wanted a replacement that would be easy to install without needing special tools. Some elements are straightforward to swap out, while others may require a socket wrench, plumber’s tape, or a little more effort. I appreciated products that came with clear instructions because that made the job much less stressful.
Signs I Used to Know It Was Time for Replacement
I knew it was time to replace my element when I noticed:
- Water heating very slowly
- No hot water at all
- Tripped breakers or electrical issues
- Visible corrosion or damage on the element
- Unusual noises from the water heater
These signs helped me confirm that the element, not another part, was likely the issue.
What I Checked in Reviews
I always read customer reviews before buying. I looked for comments about fit, durability, heating performance, and whether the element worked as advertised. Reviews from other RV owners were especially helpful because they often mentioned the same water heater brands I use.
My Budget Considerations
I didn’t want to overspend, but I also didn’t want the cheapest option if it meant poor quality. I found that a mid-range replacement often gave me the best balance of price and reliability. In my experience, paying a little more for a trusted part was worth it for peace of mind.
My Final Buying Tips
If I were buying another RV water heater element replacement, I would:
- Confirm the exact water heater model first
- Match voltage, wattage, and thread size
- Choose a durable, corrosion-resistant material
- Read reviews from other RV owners
- Pick an option that is easy to install
My Conclusion
Replacing my RV water heater element made a big difference in comfort during travel. Once I knew what to look for, the buying process became much easier. If I stay focused on compatibility, quality, and ease of installation, I can confidently choose the right replacement and get my hot water working again.
Final Thoughts
Replacing an RV water heater element is a task I can handle with the right tools, a little patience, and proper safety precautions. My biggest takeaway is that checking for signs of failure early can save me from bigger problems and keep hot water flowing on the road. If I stay careful, follow the manufacturer’s instructions, and test the heater afterward, I can complete the replacement with confidence.
Author Profile

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Evan Carver is the voice behind NW Georgia Scanner, writing from Rome, Georgia with a careful eye for practical products that earn their place in everyday life.
He has always been the kind of person who checks the small details first, from battery life and build quality to confusing instructions and weak parts. His interest in useful gear grew from ordinary routines, family questions, roadside needs, and a few purchases that taught him to slow down before choosing.
Through the site, Evan shares honest, grounded opinions for readers who want dependable products without hype or unnecessary noise.
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