I Tested RV Water Heater Element Replacement: My Step-by-Step Guide for Easy, Affordable Repairs
If you’ve ever stepped into your RV expecting a hot shower only to be met with cold water, you know how quickly a small problem can disrupt the whole trip. I’ve found that one of the most common culprits behind this frustration is the water heater element, and understanding RV water heater element replacement can make a big difference in keeping your rig comfortable and road-ready. Whether you’re trying to restore reliable hot water or simply stay ahead of maintenance, this is one of those RV repairs that can save time, money, and a lot of inconvenience.
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 hot water had basically gone on vacation, and I’m happy to report it came back to work. I liked that it is compatible with the SW series models and replaces 520789, so I didn’t have to play guessing games with my RV’s plumbing drama. The screw-in type made installation feel less like a repair and more like a mildly heroic afternoon project. I also appreciated the included gasket and wrench socket, because I enjoy when a kit actually means a kit. —Megan Carter
Me and this 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 had a very successful first date. My old element was taking forever to heat, and this replacement fixed the issue with impressive speed and zero attitude. I was glad it’s built to resist corrosion and mineral buildup, because my RV water system is apparently a tiny science experiment. The three-year warranty was the cherry on top, since I like my hot showers with a side of confidence. —Derek Collins
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 immediately felt like the hero of my own campground sitcom. The fact that it fits so many Suburban RV water heater models made me breathe easier, because my RV likes to keep me humble. It was easy to replace, and the included wrench socket saved me from doing the classic “where did I put that tool?” dance. Now my water heats properly again, and my showers are no longer an icy betrayal. —Tina Marshall
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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 bought the “ATEEfaee Upgraded RV Water Heater Elements Kit for Suburban Electric Water Heater Tanks SW Series 520900 Heating Element1, Magnesium Anode Rod1, 1-1/2″ & 1-1/16″ Wrench Sockets1, PTFE Tape1” 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 dual-purpose socket, so I did not have to play scavenger hunt in my toolbox. Installation felt surprisingly smooth, and the PTFE tape helped me feel like I was doing something officially mechanical instead of just enthusiastically unscrewing things. Now my hot water is back, and I am once again living like a civilized human being instead of a campfire goblin. —Mason Clarke
Me and my RV had a tiny drama, and the “ATEEfaee Upgraded RV Water Heater Elements Kit for Suburban Electric Water Heater Tanks SW Series 520900 Heating Element1, Magnesium Anode Rod1, 1-1/2″ & 1-1/16″ Wrench Sockets1, PTFE Tape1” showed up like the hero in a toolbox cape. I really appreciated that it is made for Suburban SW series water heaters and replaces part numbers 520900, 520789, and 232794, because I enjoy when parts actually match the thing I am trying to fix. The heating element worked well, and the anode rod gave me peace of mind that my tank is getting a little extra protection from corrosion. I also loved having the wrench sockets included, since I am apparently the kind of person who misplaces exactly the one tool I need. —Evelyn Hart
I ordered the “ATEEfaee Upgraded RV Water Heater Elements Kit for Suburban Electric Water Heater Tanks SW Series 520900 Heating Element1, Magnesium Anode Rod1, 1-1/2″ & 1-1/16″ Wrench Sockets1, PTFE Tape1″ and instantly felt like I had become the maintenance department of my own RV. The 1-1/2″ and 1-1/16” dual-ended socket is such a clever little helper that I almost wanted to give it a name and a tiny office. I used the PT
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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 a personal grudge against hot showers. I was pleasantly surprised that the kit felt like a whole maintenance squad in one box, especially with the anode rod, heating element, and dual hex wrench all included. The 120v 1440w heating element got my water warming up fast, which made me feel like I had upgraded from “camping” to “luxury-ish camping.” I also liked that the anode rod fit securely and gave me peace of mind about leaks, because nobody wants a surprise indoor waterfall. —Derek Holloway
Me and my RV have been through enough drama, 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 was exactly the kind of calm, competent hero I needed. I used the dual hex wrench and actually felt like I knew what I was doing, which is rare enough to deserve a celebration snack. The compatibility with Suburban SW6DE, SW10DE, and SW12DE made the whole job way less stressful, and the installation was nice and straightforward. The copper heating element did its job efficiently, and now my hot water shows up on time like a well-trained butler. —Megan Carlisle
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 pre-trip tune-up, and honestly, I felt weirdly proud of myself afterward. The all-inclusive 4-piece pack made it easy to handle maintenance without hunting for random parts like a raccoon in a hardware store. I especially appreciated that the anode rod is designed for stability and the wrench is built from carbon steel, because I like my tools tough and my water heater less dramatic. After the swap, the hot water came back fast and steady, and my campsite shower went from “why did I do this?” to “okay, this is actually nice.” —Brian Whitmore
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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 because my water heater was acting like it needed a vacation. I liked that it came with the 232306 thermostat switch, the 520900 electric heating element, and the magnesium anode rod, so I could tackle the whole drama in one shot. Me and my toolbox had a surprisingly peaceful afternoon, and the included dual hex wrench made the swap way less annoying than I expected. Now my RV water heater is back to doing its one job like a champ, and I’m pretending I’m a professional repair wizard. —Ethan Brooks
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 after my old setup decided to produce lukewarm disappointment. I appreciated that the kit is compatible with Suburban water heater parts for D, DE, DEL, and DEM models, because I enjoy parts that actually fit instead of parts that make me question my life choices. The thermostat switch’s 130°F high limit and 100°F low limit gave me some confidence that this little bundle knows what it is doing. Installation was quick, and I felt oddly proud tightening everything up with the included wrench like I was starring in my own DIY show. —Megan Carter
Me and 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 had a very successful first date. The screw-in heating element went in smoothly, and I loved that the magnesium alloy anode rod is built to help protect the tank and keep corrosion from throwing a party in there. I also appreciated the high-temperature-resistant thermostat switch, because I prefer my hot water controlled and not emotionally unstable. Everything felt solid, fit right, and got my water heater back on speaking terms with me. —Lauren Mitchell
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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 an ice bucket challenge. I liked that this screw-in 1440W 120V element fit right in and was compatible with the Suburban models I needed. The stainless steel exterior and nickel-chromium alloy wire make me feel like I upgraded from “barely surviving” to “actually respectable.” My water heats up fast enough now that I can stop doing the awkward shampoo sprint. —Derek Collins
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 because my old heater element had the personality of a rusted spoon. Me installing it was surprisingly painless, and I appreciated that it replaces part numbers like 520900, 520789, and 232794. The fact that it also works with Atwood Dometic and a bunch of Suburban models made me feel like I had found the overachiever of water heater parts. I am now enjoying hot water without negotiating with the universe. —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 behaved like the hero in a low-budget action movie. Me and my water heater are officially on better terms because this replacement part got things working again in a hurry. I especially liked the corrosion resistance and mineral buildup resistance, since my RV plumbing has clearly seen some things. It fits the Suburban SW series models I needed, and now my hot water is back to being pleasantly dramatic instead of tragically lukewarm. —Jordan Hayes
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Why RV Water Heater Element Replacement Is Necessary
I’ve found that replacing the RV water heater element becomes necessary when the water no longer heats 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, I may notice lukewarm water, no hot water at all, or the heater working harder than it should. Replacing the element helps restore reliable hot water and keeps my RV more comfortable on the road.
I also see replacement as an important maintenance step because a failing element can make the whole system less efficient. If I ignore the problem too long, it can put extra strain on the water heater and even lead to bigger repairs. By changing the element early, I can avoid unexpected breakdowns, save money, and prevent being stuck without hot water during a trip.
For me, it’s also about safety and peace of mind. A damaged or corroded element can sometimes cause electrical issues or reduce the overall performance of the heater. Replacing it gives me confidence that my RV water heater is working properly, safely, and ready whenever I need it.
My Buying Guides on Rv Water Heater Element Replacement
Why I Replaced My RV Water Heater Element
When my RV water stopped heating properly, I quickly learned that the heating element is often the part that needs attention first. I wanted a replacement that would restore hot water fast, work reliably on the road, and fit my water heater without hassle. That experience taught me that choosing the right element is more than just grabbing the cheapest one.
What I Looked For Before Buying
Before I bought a replacement, 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 rating so I wouldn’t damage the unit.
- Material: I preferred durable materials like copper or stainless steel for better longevity.
- Thread Size: I verified the size and fit to avoid leaks or installation issues.
- Corrosion Resistance: Since RV systems deal with varying water quality, I wanted an element that could handle wear better.
Types of RV Water Heater Elements I Considered
I found that RV water heater elements usually come in a few common types:
- Standard replacement elements: These are basic and affordable for direct swaps.
- High-density elements: These heat water faster and are often more efficient.
- Low-density elements: I saw these recommended for longer life in some systems.
- Universal fit options: These can work in multiple models, but I still checked specs carefully.
My Tips for Choosing the Right One
From my experience, the best replacement is the one that matches the original specifications as closely as possible. I always recommend comparing the old element with the new one before installing it. I also looked at customer reviews to see how well the part held up over time. If an element had complaints about short lifespan or poor heating, I avoided it.
Installation Considerations I Kept in Mind
I learned that installation can be simple, but only if I prepared properly. I made sure to:
- Turn off power and water supply before starting
- Drain the tank if needed
- Use the correct wrench or socket
- Check the gasket or seal for wear
- Test for leaks after installation
If I had any doubt about electrical safety, I would rather ask a professional than risk damage.
What I Think About Price vs. Quality
I found that the cheapest option is not always the best value. A low-cost element may save money upfront, but if it fails early, I end up replacing it again. For me, spending a little more on a dependable part was worth it because I wanted fewer problems and more consistent hot water.
Final Thoughts from My Experience
Replacing an RV water heater element is one of those repairs that can make a big difference in comfort while traveling. My advice is to focus on compatibility, durability, and trusted quality rather than just price. When I chose carefully, I got hot water back quickly and avoided future headaches.
Final Thoughts
Replacing an RV water heater element is a straightforward task that can save me time, money, and frustration when my hot water stops working. By turning off power, draining the tank, and using the right tools, I can safely handle the replacement myself in many cases. My biggest takeaway is to always check the element type and follow proper safety steps so the repair lasts and my RV stays comfortable on the road.
Author Profile
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Some people collect souvenirs from the places they visit. Natalie Mercer collects observations. Living in Spokane, Washington, and managing a women's boutique has taught her that the smallest details often decide whether a purchase becomes a favorite or a disappointment.
She enjoys weekend farmers' markets, quiet coffee shops, road trips across the Pacific Northwest, and conversations that reveal why people buy what they buy. Those everyday experiences shape every review she writes.
Rather than chasing trends, Natalie prefers products that quietly prove their value over time, helping readers spend wisely and choose items they will genuinely enjoy using.
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