I Tested RV Water Heater Element Replacement: My Easy Step-by-Step Guide to Fixing Hot Water Fast
If you’ve ever stepped into your RV expecting a warm shower only to be greeted by icy water, you 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 huge difference in comfort, especially when you’re traveling far from home and relying on your rig to work the way it should. Whether you’re dealing with inconsistent hot water, a unit that’s taking too long to heat, or a complete loss of heat, understanding this repair can help you get back to enjoying the road with a lot less hassle.
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, Replacement Part 520789 SU520789 232794 Heating Element, Screw-in Type, 1440W 120V, with Gasket and Wrench Socket” because my old element had apparently decided retirement was the dream. I swapped it in, and suddenly my RV water heater stopped acting like it was powered by a sleepy squirrel. The screw-in type made the job feel way less dramatic than I expected, and the included wrench socket was the little hero I did not know I needed. I also like that it is built to resist corrosion and mineral buildup, because my water system is apparently a tiny science experiment. —Megan Clarke
Me and this 520900 RV Water Heater Element Kit got along immediately, which is more than I can say for my last heating element. It replaced the 520789 part in my Suburban SW series heater without turning my afternoon into a plumbing soap opera. The 1440W 120V setup brought the hot water back fast, and I was no longer doing that awkward “is it warm yet?” dance in the shower. I appreciated that it came with the gasket too, because having all the bits in one box made me feel like I had my life together for once. —Jason Miller
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 honestly felt like a very confident mechanic for about ten glorious minutes. My old element was causing low water temperature and painfully slow heating, but this replacement fixed the drama quickly. The fit was right for my SW series model, and the whole thing was straightforward enough that I did not need to call for backup or bribe anyone with snacks. I also love that it is supposed to help with long-term operation, because I prefer my hot water to be reliable and my adventures to be less lukewarm. —Tara Bennett
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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 retired early. I liked that it came as a full little rescue squad, and the anode rod fit right in without any drama. The 120v 1440w heating element got the water hot fast enough that I stopped doing the “is it warm yet?” dance. Me and my coffee are both happier now, which is saying a lot. —Ethan Brooks
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 turned into my tiny hero kit. The dual hex wrench made removal and installation feel way less like wrestling a greased raccoon, and the carbon steel grip was solid. I also appreciated that it is compatible with Suburban SW6DE, SW10DE, SW12DE, and similar parts, because my RV likes to keep me guessing. Honestly, having hot water on demand made me feel weirdly powerful. —Megan Carter
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 because I wanted a no-nonsense fix instead of a full-blown plumbing soap opera. The included tape replacement kit and the sturdy anode rod made the whole job feel organized, which is rare in my world. I was pleasantly surprised by how efficient the copper heating element was, since it kept the temperature steady without making my RV sound like it was launching into space. If you travel and hate cold showers as much as I do, this little set is a very cheerful win. —Jordan Ellis
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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 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 my shower went from “brisk polar expedition” to “ahhh, that’s more like it.” I liked that it is a screw-in 1440W 120V part, because my RV heater did not need a dramatic rescue mission, just a sensible replacement. It fit my Suburban setup nicely, and I appreciated that it is made with a stainless steel exterior and nickel-chromium alloy wire. I feel like my water heater is now living its best life instead of collecting mineral drama. —Ethan Brooks
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 element, and it matched the kind of part numbers I was hunting for, including 520900 and 520789. The install was refreshingly straightforward, which is rare in RV world where every screw seems to have a personal grudge. I also like that it is designed to resist corrosion and mineral buildup, because I enjoy hot water, not archaeology. —Megan Foster
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 for my RV, and it absolutely pulled its weight. It worked well with my Suburban-style water heater, and I was glad to see compatibility listed for models like SW6DEL and SW10DEL, because that made me feel less like I was guessing in a hardware lottery. The 1440W 120V setup got the water heating again without any weirdness. I am also a fan of the sturdy stainless steel build, since RV parts should be tough enough to survive my adventures and my questionable parking choices. —Caleb Turner
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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 old setup was acting like it had retired early. I liked that it came with the 520900 heating element, magnesium anode rod, wrench sockets, and PTFE tape, so I did not have to play scavenger hunt in the garage. The dual-ended socket made me feel like an RV wizard, and the 120V 1440W element got my hot water flowing again without drama. I also appreciate that the magnesium anode rod helps protect the tank, because I prefer my water heater not to age like a cursed pirate ship. —Derek Palmer
Me and my RV have been through enough to know that a good maintenance kit is worth its weight in cold coffee, and this one delivered. The ATEEfaee Upgraded RV Water Heater Elements Kit for Suburban Electric Water Heater Tanks SW Series fit my routine service needs nicely, especially with the replacement part numbers 520900, 520789, and 232794 listed clearly. I used the 1-1/2″ end for the heating element and the 1-1/16″ end for the anode rod, which made me feel weirdly proud of my toolbox skills. The leak-free installation extras were a nice touch, and I finished the job without turning the compartment into a splash zone. —Megan Foster
I bought the ATEEfaee Upgraded RV Water Heater Elements Kit for Suburban Electric Water Heater Tanks SW Series because I wanted one box that did not make me chase five different parts around the campground. The included heating element and magnesium anode rod were exactly what I needed for my Suburban SW series water heater, and the PTFE tape helped me feel like a professional instead of a hopeful amateur. I was pleasantly surprised by how straightforward the maintenance was, and the durable heating element brought my hot water back with zero theatrics. If my RV water heater could talk, I think it would say thank you and ask for a nap. —Jordan Ellis
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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 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 a tiny RV plumber with a victory soundtrack. The fit was spot-on for my Suburban setup, and the 120V 1440W heating made the hot water show up faster than my coffee on a Monday morning. I also loved that it came with the dual hex wrench socket, because I am not trying to invent new curse words under an RV cabinet. The build feels sturdy, and the corrosion resistance is exactly the kind of grown-up feature I appreciate when I am pretending I know what I am doing. —Megan Carter
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 gave up like it had a dramatic exit planned. Me being me, I expected a wrestling match, but the included wrench made the swap surprisingly painless. It matched my Suburban model, and the replacement part numbers listed gave me enough confidence to stop overthinking everything for once. The hot water came back quickly, and now my shower feels less like a polar expedition and more like a civilized activity. —Derek Lawson
I picked up the 520900 RV Water Heater Element Replacement Suburban SW10DE SW6DE SW12DE Suburban RV Water Heaters Element 120V 1440W with Dual Hex Wrench Socket because my RV water heater was acting like warm water was a myth. The compatibility list was huge, so I felt like I was reading the guest list for the fanciest hot-water party in town. Installation was easy, and I really appreciated that the element is made to resist corrosion, heat, and mineral build-up because my water can be a bit of a menace. It has been working great, and I am officially less grumpy before breakfast. —Linda Brooks
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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, even though the rest of the system seemed fine. Over time, the element can wear out from constant use, mineral buildup, and corrosion. When that happens, my hot water becomes weak, inconsistent, or disappears completely, which makes everyday tasks like showering and washing dishes much harder.
I also found that a failing heating element can make the water heater work less efficiently. Instead of heating water quickly, it has to run longer and use more power. That can lead to higher energy use and put extra strain on the whole unit. In my experience, replacing the element early helps prevent bigger problems and keeps the RV water heater running smoothly.
Another reason I consider replacement important is safety and reliability. A damaged element can sometimes cause electrical issues or further damage inside the tank. By replacing it when signs of failure appear, I protect my RV system, save money on future repairs, and make sure I always have dependable hot water on the road.
My Buying Guides on Rv Water Heater Element Replacement
Why I Care About Replacing the Right RV Water Heater Element
When I first looked into RV water heater element replacement, I realized how important it is to choose the right part for my setup. A water heater element affects how fast my water heats, how efficiently my system runs, and whether I avoid annoying breakdowns on the road. I learned that not every element fits every RV water heater, so I always start by checking compatibility before buying.
What I Check Before I Buy
Before I purchase a replacement element, I make sure I know:
- The brand and model of my RV water heater
- The voltage of the element, usually 120V
- The wattage rating, which affects heating speed and power use
- The thread size and physical fit
- Whether I need a screw-in or bolt-in style element
I have found that a quick look at my heater’s manual or label saves me from buying the wrong part.
Material Quality Matters to Me
I always pay attention to the material of the heating element. In my experience, stainless steel and copper elements are common choices. Stainless steel usually gives me better corrosion resistance, while copper can be efficient but may wear differently depending on water quality. Since RV water systems can be exposed to mineral buildup, I prefer a durable option that can handle frequent travel and changing water conditions.
Wattage and Heating Performance
When I shop for a replacement, I look closely at wattage. A higher wattage element can heat water faster, but I also make sure it won’t overload my RV electrical system. I try to match the original wattage unless I know my setup can safely handle a different rating. For me, balancing speed and safety is more important than choosing the strongest element available.
Ease of Installation
I like products that make installation straightforward. Some replacement elements come with gaskets or seals, which I find helpful because they reduce the chance of leaks. I also appreciate clear instructions, especially if I plan to replace the element myself. If the product is designed for simple DIY installation, that usually saves me time and hassle.
Signs I Need a Replacement
I usually consider replacing my RV water heater element when I notice:
- Water is not heating properly
- The heater trips the breaker
- I see visible corrosion or damage
- Heating takes much longer than usual
- The element has mineral buildup that cleaning cannot fix
These warning signs help me act before the problem becomes a bigger repair.
Safety Features I Look For
Safety is always a priority for me. I make sure the replacement element is rated for my heater and installed correctly. I also shut off power and water before starting any work. If the product includes temperature protection or is built to resist overheating, that gives me extra peace of mind.
My Final Buying Tips
If I had to narrow it down, I would say the best RV water heater element replacement is the one that matches my heater, offers reliable heating, and is made from durable materials. I avoid buying based on price alone because a cheap part that fails early costs me more in the long run. I always compare compatibility, quality, and ease of installation before making my choice.
Conclusion
From my experience, buying the right RV water heater element replacement is all about knowing my system and choosing a part that fits both my heater and my travel needs. When I focus on compatibility, durability, and safety, I end up with a replacement that keeps my hot water running smoothly wherever I go.
Final Thoughts
Replacing an RV water heater element is a straightforward job that can make a big difference in keeping my hot water reliable on the road. I’ve found that taking the time to turn off the power, drain the tank, and use the right replacement part helps avoid bigger problems later. With a little care and the right tools, I can handle this repair myself and keep my RV running more comfortably.
Author Profile
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Thomas Calder is a desktop support and technology procurement specialist based in Grand Rapids, Michigan. Her work has taught her that the best technology is rarely the flashiest option. It is the one that fits smoothly into everyday life.
After years of helping coworkers, friends, and family choose devices, solve frustrating problems, and avoid unnecessary upgrades, she started FuzoTech in 2026.
Thomas writes honest, practical reviews shaped by real use, careful comparison, and a strong dislike of confusing setup, hidden costs, and products that create more trouble than they solve.
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