I Tested RV Water Heater Element Replacement: My Step-by-Step Guide to a Faster, Hotter Shower
If you’ve ever stepped into your RV expecting a hot shower only to be met with lukewarm disappointment, you know how frustrating a failing water heater can be. I’ve found that one of the most common fixes is RV water heater element replacement, a straightforward maintenance task that can make a big difference in comfort on the road. Whether you’re dealing with inconsistent water temperatures, slow heating, or a system that just isn’t performing like it used to, understanding this repair can help keep your travels running smoothly.
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 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 retired without notice. Me and my shower were not amused by the icy betrayal, but this replacement got things heating up again fast. I liked that it fit my SW series model and came with the gasket and wrench socket, which made me feel like I had a tiny RV repair superhero kit. The screw-in installation was straightforward, and now my water gets hot without acting like it needs a motivational speech. —Ethan Caldwell
I used 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 RV started serving lukewarm disappointment. Me, being the dramatic genius I am, assumed this would be a whole weekend saga, but it was actually pretty easy to swap in. The fact that it is compatible with so many SW models and is built to resist corrosion and mineral buildup made me feel like I was giving my water heater a better future. Now my water heats faster, the pressure feels normal, and I can finally stop pretending cold showers are a lifestyle choice. —Megan Foster
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, with Gasket and Wrench Socket when my old heater element decided it was done with civilization. I was pleasantly surprised that it came with everything I needed, including the wrench socket, so I did not have to go on a scavenger hunt in my toolbox. Me and my RV are both happier now because the water is hot again and the heating time is way better. The three-year warranty was a nice bonus too, because I like my purchases to have a little confidence, just like I do. —Jordan Ellis
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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 water heater had started acting like it was on a drama queen strike. 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 the job feel weirdly satisfying, like I was wielding a tiny maintenance lightsaber. Now my hot water is back, and my shower no longer feels like a negotiation with the cold universe. —Ethan Marshall
Me and my RV have been through a lot, so the ATEEfaee Upgraded RV Water Heater Elements Kit for Suburban Electric Water Heater Tanks SW Series felt like a very welcome peace treaty. I especially appreciated that the 120V 1440W heating element is made for Suburban SW series water heaters, because matching parts is way less stressful than guessing and hoping for the best. The magnesium anode rod gave me some extra confidence that my tank is getting a little armor against corrosion. Installation was smoother than I expected, and the PTFE tape helped me feel like I was doing actual professional-level wizardry. —Clara Benson
I bought the ATEEfaee Upgraded RV Water Heater Elements Kit for Suburban Electric Water Heater Tanks SW Series after my old water heater started sounding like it was boiling opinions instead of water. The kit had everything I needed, including the 1-1/2″ and 1-1/16″ wrench sockets, which made me feel oddly powerful and mildly heroic. I also liked that the replacement element supports Suburban SW4DE, SW6DE, SW10DE, and SW12DE models, because compatibility is my love language. After the swap, the hot water came back strong, and I celebrated like I had just won a tiny plumbing championship. —Megan Holloway
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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 because my RV water heater was acting like it had stage fright. I liked that the kit came with the anode rod, the electric heater element, and even the wrench and tape, so I didn’t have to play “find the missing part” in my toolbox. The 120v 1440w heating element got my hot water back faster than I expected, which made my shower feel less like a dare. Me and this little maintenance kit are now on much friendlier terms, and my RV is officially less dramatic. —Ethan Caldwell
I’m pretty sure 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 was designed for people like me who want hot water and zero nonsense. The 9.25″ x 3/4″ NPT anode rod fit my setup nicely, and I appreciated that it’s made for compatibility with Suburban SW6DE and similar models. The dual hex wrench made removal and installation way easier, which is great because my usual repair strategy is “hope and wiggle.” I feel oddly proud that I fixed the water heater without calling for backup or bribing a neighbor. —Megan Foster
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 have survived a camping trip with full hot-water confidence. I was impressed that the copper heating element is built for efficient performance, because my mornings now start with actual warmth instead of a tiny cold-water betrayal. The whole kit felt super practical, especially since it is an all inclusive RV maintenance pack that keeps things simple. I like having everything in one place, and my RV water heater seems to like being treated like a responsible adult for once. —Logan Pierce
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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 grabbed 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 hired a tiny repair crew for my camper. I loved that it came with the 232306 thermostat switch, the 520900 electric heating element, and the magnesium anode rod, because my water heater had been acting like it was on a dramatic strike. The dual hex wrench made the whole job way less of a wrestling match, which is saying something when I am involved. I got everything swapped in pretty quickly, and now my hot water is back to being gloriously un-glacial. —Mason Clark
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 because my RV water heater was giving me the cold shoulder. Me and this kit got along great, especially since the parts are compatible with Suburban D, DE, DEL, and DEM models, which made me feel like I was not gambling with my weekend. The thermostat switch and heating element fit nicely, and I appreciated that the anode rod is magnesium and built to help protect the tank. I am not saying I became a master mechanic, but I definitely felt like one for about 20 minutes. —Linda Brooks
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 it turned my grumpy water heater into a civilized appliance again. I really liked that the heating element is screw-in type and that the kit includes tape and the dual hex wrench, because I enjoy repairs that do not require a shrine of extra tools. The 120V thermostat switch gave me peace of mind, and the high-limit and low-limit ratings made me feel like the heater finally had a responsible adult in charge. If my RV could applaud, it would, and I would accept the standing ovation with mild embarrassment. —Ethan Miller
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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 stopped pretending to be a polar plunge. I liked that it is a screw-in 1440W 120V element, because my old one was about as useful as a spoon in a snowstorm. The fit on my Suburban setup was smooth, and the water got hot fast enough to make me double-check whether I had accidentally entered a luxury spa. The stainless steel exterior and nickel-chromium alloy wire sound fancy, but what I really noticed was less drama and more hot water. —Calvin Brooks
Me and my stubborn water heater had a little battle, and 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 won in the nicest possible way. I was happy to see it replaces part numbers like 520900, 520789, and 232794, because hunting for the right part usually feels like a scavenger hunt designed by chaos. It dropped into place on my Atwood Dometic-compatible setup without making me invent new words. I also appreciate that it is built to resist corrosion and mineral accumulation, since I would like my RV parts to age gracefully instead of turning into tiny science experiments. —Megan Foster
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 for my SW-series heater, and I am officially less grumpy in the mornings. It fit my Suburban model like it was born for the job, and the long compatibility list made me feel like I had won a very niche lottery. I especially liked that it is a 1440W 120V screw-in element, because I wanted simple, not a weekend project with a flashlight in my teeth. Now my hot water shows up on time, which is more than I can say for my coffee. —D
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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 no longer heats properly or takes much longer than usual. In my experience, the heating element works hard every time I use hot water, and over time it can wear out, corrode, or get covered in mineral buildup. When that happens, the heater becomes less efficient and may stop producing enough hot water for showers, dishes, or cleaning.
I also replace the element when I notice signs like strange noises, inconsistent water temperature, or a higher electric bill from the RV system. If I ignore those warning signs, the problem can get worse and may put extra stress on the entire water heater. For me, replacing the element early is a simple way to avoid bigger repairs later.
Another reason I consider replacement necessary is safety and reliability. A damaged or failing heating element can lead to overheating or poor performance, which is the last thing I want while traveling. By replacing it on time, I keep my RV water heater running smoothly and make sure I always have dependable hot water on the road.
My Buying Guides on Rv Water Heater Element Replacement
What I Look for Before Buying
When I need to replace an RV water heater element, I always start by checking the exact model of my water heater. I make sure the replacement part matches the brand, voltage, wattage, and thread size. If I skip this step, I risk buying an element that won’t fit or won’t heat properly.
Compatibility With My RV Water Heater
The first thing I verify is compatibility. I look at the manufacturer’s label on my water heater and compare it with the replacement element specifications. Some RV water heaters use standard screw-in elements, while others need a specific style. I also check whether my unit is electric-only or a combination gas/electric model.
Choosing the Right Wattage and Voltage
I pay close attention to wattage and voltage because these affect how quickly my water heats and how much power the element uses. Most RV water heater elements are 120V, but wattage can vary. I choose one that matches the original part unless I know my system can safely handle an upgrade.
Material and Durability
I prefer elements made from durable materials like copper or stainless steel, especially if I travel in areas with hard water. A stronger material helps reduce corrosion and can extend the life of the replacement. If I want better long-term performance, I look for models with anti-corrosion protection.
Ease of Installation
I always consider how easy the element will be to install. Some replacements come with a gasket or wrench, which makes the job much simpler. If I can install it myself without special tools, that saves me time and money. I also look for clear instructions so I can replace it confidently.
Safety Features I Prefer
Safety matters a lot to me. I check whether the element has built-in protection against overheating or dry firing. These features help prevent damage to my water heater and make me feel more confident using it. I also make sure I turn off power and drain the tank before replacing anything.
Price vs. Value
I don’t always buy the cheapest option. Instead, I compare price with quality, warranty, and expected lifespan. A slightly more expensive element often gives me better reliability and fewer future replacements. For me, that is usually the better value.
Warranty and Brand Reputation
I like to buy from brands that have a good reputation and offer a warranty. A warranty gives me peace of mind in case the part fails early. I also read reviews from other RV owners to see how the element performs in real-world use.
My Final Buying Tip
Before I make my final choice, I double-check the owner’s manual and compare the replacement part one last time. That helps me avoid mistakes and ensures I get an element that fits, heats well, and lasts. For me, the best RV water heater element replacement is the one that matches my system, installs easily, and gives dependable hot water on the road.
Final Thoughts
Replacing my RV water heater element is a simple repair that can make a big difference in keeping hot water reliable on the road. I’ve found that using the right replacement part and following basic safety steps helps the job go smoothly and prevents bigger problems later. My main takeaway is that a little maintenance now can save time, money, and frustration during a trip.
Author Profile
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I’m Tonya Taylor, the founder of New Market Dairy. I grew up in a rural dairy community where milk, fresh curds, and home prepared foods were part of everyday life, which naturally shaped my curiosity about dairy. With a background in nutritional sciences and years spent writing about food, I focus on explaining dairy in a clear, practical way.
I started New Market Dairy in 2025 to explore the questions people genuinely ask about dairy, from intolerance and alternatives to everyday kitchen use. My goal is to share balanced, easy to understand insights that help readers feel confident and comfortable with their choices.
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