When choosing replacement parts for an RV water heater, focus on compatibility, durability, and ease of maintenance. This guide highlights five top options that suit Suburban SW and SW-series tanks, with clear guidance on who benefits most from each kit. It’s ideal for RV owners who perform routine maintenance themselves, mid-level DIYers, and service-minded travelers seeking long-term reliability.
| Product | Best For | Key Benefit |
|---|---|---|
| UHEGDRR RV Water Heater Elements Kit | DIY RVers on Suburban Tanks | Comprehensive maintenance kit with anode rod and gasket |
| ATEEfaee Upgraded Elements Kit | Experienced owners with SW Series | Durable 520900 element; includes extra wrenches and tape |
| ATEEfaee 520900 Element For SW Series | Suburban SW Series owners | Direct screw-in replacement with gasket |
| Aocies 520900 Replacement Kit | Budget-conscious replacements | All-in-one kit with compatible parts |
| Saillong 4 Pieces Replacement Kit | All-around RV maintenance | Wide compatibility with Suburban SW and related models |
RV Water Heater Elements Kit with Anode Rod and Tools
This kit is designed for Suburban RV water heater tanks and includes a 9.25″ magnesium anode rod, a 520900 electric heating element, a dual hex wrench, and tape. It aims to support routine maintenance and extend the life of your RV water system. Best for owners who want an all-in-one replacement solution that also helps prevent tank corrosion.
Best for: RV owners who perform preventive maintenance and want a single kit for common Suburban D, DE, DEL, and DEM models. This kit emphasizes compatibility and longevity, reducing the chance of future repairs.
Caution: Ensure exact model compatibility with your Suburban tank before installation, and follow proper gasket and seal practices when replacing the element.
ATEEfaee Upgraded Elements Kit for Suburban SW Series
This set is designed for routine RV maintenance in SW-series tanks and includes a 520900 heating element, magnesium anode rod, wrenches, and PTFE tape. It targets experienced RV owners and technicians who perform regular service to maintain efficient hot water delivery in various Suburban models (SW4DE, SW6DE, SW10DE, SW12DE, and more).
Best for: Experienced DIYers and technicians who want a complete maintenance package with multiple installation tools included. The kit supports long-term performance by combining a high-quality heating element with corrosion protection.
Caution: The included components are sized for Suburban SW-series and may require adaptation if your installation uses different thread standards or gasket types.
Upgraded 520900 Element for Suburban SW Series
This 520900 replacement is a screw-in 1440W 120V element designed for Suburban SW series heaters. It includes a new gasket and is suitable for multiple SW configurations (SW4DE, SW6DE, SW10DE, SW12DE, SW16DE, and related models). It’s positioned as a durable, factory-standards-aligned replacement that withstands higher temperatures and resists mineral buildup.
Best for: RV owners needing a direct factory-standard replacement that fits a broad range of Suburban SW-Series models, with a focus on reliability and consistent hot water performance.
Caution: Confirm your tank’s model and threading before purchase to avoid incompatibility with non-SW-series units.
520900 Element Kit for Suburban SW Series (Aocies)
This kit is a direct replacement for Suburban SW-series water heaters and includes 520900 elements, along with compatible gaskets and a wrench socket. It lists compatibility with many SW-series models such as SW4DE, SW6DE, SW10DE, SW12DE, SW16DE, and more. The construction emphasizes resistance to corrosion and mineral buildup for long-term operation.
Best for: RV owners seeking a straightforward replacement for a wide range of Suburban SW-series heaters with a single kit that includes the necessary gasket and tool components.
Caution: The broad compatibility means buyers should verify exact model alignment to avoid misfit on non-SW Suburban units.
Saillong 4-Piece RV Water Heater Elements Kit
This 4-piece kit includes one anode rod, one electric heating element, one dual hex wrench, and one tape. It targets Suburban SW6DE, SW10DE, SW12DE, and compatible models, offering a budget-friendly all-in-one option for general maintenance and preventative care. The kit emphasizes compatibility with multiple Suburban configurations.
Best for: RV owners seeking a cost-effective maintenance bundle that covers essential components and fits several Suburban SW-series heaters, especially for owners who prefer a single purchase for multiple parts.
Caution: While compatible with several Suburban models, verify your exact model and seal type to ensure a proper gasket fit during replacement.
Zzyyldu 520900 Screw-In RV Water Heater Element
This 520900 model features a screw-in 1440W 120V design with broad compatibility for Suburban SW-series, Atwood, and Dometic water heater systems. It emphasizes corrosion resistance and mineral buildup mitigation, ensuring long-term stability for outdoor RV use.
Best for: RV travelers who require a versatile, cross-brand element that can support multiple heater types beyond Suburban, reducing the need for separate parts.
Caution: Cross-brand compatibility can vary by exact model; confirm the thread size and gasket requirements before installation on non-Suburban units.
Lrichy Dual-Use RV Water Heater Element
The Lrichy element supports 110V/1400W for Atwood/Dometic models and 120V/1440W for Suburban SW-series, with a dual-use quick-release hex wrench included. It aims to resolve issues like insufficient heating or unstable temperatures by providing a robust heating element compatible with a wide range of heaters (G6A-3E to GC10A-2E lines and SW-series).
Best for: RV owners who want a highly versatile element that works across multiple brands, reducing the need to stock separate models for different heater types.
Caution: The broad compatibility requires careful verification of model numbers and thread types to prevent mismatches during replacement.
Buying Guide
Key considerations for choosing RV water heater elements
- Model compatibility: Verify Suburban SW-series or SW-compatible models, and confirm thread size (NPT), gasket type, and mounting style before purchasing any element.
- Element rating: Most Suburban replacements are 1440W at 120V; ensure your RV’s electrical supply and breaker capacity support this rating.
- Material quality: Look for corrosion-resistant alloys and anti-scale properties to minimize mineral buildup and extend tank life.
- Anode protection: Magnesium anode rods help reduce tank corrosion; kits including anodes offer added protection for metal tanks.
- Tools and gaskets: Kits that include wrenches and PTFE tape simplify installation and ensure a proper seal.
- Cross-brand options: Some elements cross over to Atwood or Dometic systems; confirm exact compatibility for your unit to avoid fitment issues.
Practical buying questions
- Do I need an all-in-one maintenance kit or individual parts? An all-in-one kit is convenient if you’re performing routine service across multiple components, while individual parts work well for targeted replacements.
- What is the typical lifespan of an RV water heater element? High-quality elements with corrosion resistance can last longer in areas with hard water, but mineral buildup and heating cycles influence longevity.
- Is an anode rod essential for all RV tanks? Magnesium anode rods are standard for many Suburban tanks and help slow metal corrosion inside the tank.
- Are these elements easy to install for a DIYer? Most screw-in elements are straightforward with basic tools, but always follow safety steps and turn off power and water first.
- Should I replace the gasket when swapping elements? Yes, replacing the gasket ensures a proper seal and reduces the risk of leaks.
- What if my model isn’t listed? Look for kits labeled as compatible with your Suburban or SW-series model and confirm thread size and wiring compatibility before purchasing.
FAQ
- What does a 520900 heating element replace? It replaces 232794 and 520789 in many Suburban SW-series heaters.
- Can I use these elements with Atwood or Dometic heaters? Some cross-brand elements exist; verify exact model compatibility before installation.
- Do these kits include a gasket? Some kits include a gasket or gasket-related components; check product details for gasket inclusion.
- Is an anode rod always required? Anode rods are important for tank protection in many Suburban models, but verify your tank’s design and requirements.
- What maintenance frequency is recommended? Routine checks during seasonal storage or before peak RV travel seasons help maintain performance.
- Can I install these elements myself? Yes, for many models, with proper precautions and tools; if unsure, consult a professional.