Looking for a reliable heating element for your RV water heater? This guide highlights five well-suited options designed for Suburban SW and related models. Each pick targets common RV comfort needs: fast heating, corrosion resistance, or easy maintenance. Ideal buyers include full-time RVers who want long-lasting parts, weekend travelers seeking quick fixes, and DIY enthusiasts performing routine maintenance. Below is a quick summary to compare the top picks at a glance.
| Product | Best For | Key Feature |
|---|---|---|
| RV Water Heater Elements Kit Compatible with Suburban Water Heater Tanks (UHEGDRR) | All-around maintenance | Includes 9.25″ anode rod, 520900 element, and tools |
| ATEEfaee Upgraded RV Water Heater Elements Kit for Suburban SW Series | Routine service with upgraded parts | Durable 520900 element, wrench sockets, PTFE tape |
| Saillong 4 Pieces RV Water Heater Elements Kit | Cost-effective complete kit | 4 pieces with anode rod and heater element |
| Upgraded 520900 RV Water Heater Element For Suburban SW Series | Direct replacement for SW series | 1440W, corrosion-resistant design |
| 520900 RV Water Heater Element Kit for Suburban SW Series (UHEGDRR) | Compatibility and replacement parts | Replaces 520789/232794, gasket and wrench |
RV Water Heater Elements Kit Compatible with Suburban Water Heater Tanks
Best for: RV owners who want a complete maintenance kit in one package. This kit includes a 9.25″ magnesium anode rod, a 520900 heating element, a dual hex wrench, and tape. It is designed to fit Suburban D, DE, DEL, and DEM models, supporting overall RV water system health and longevity. The magnesium anode helps reduce tank corrosion, while the 520900 element provides reliable heating performance. A practical choice for routine servicing and emergency replacements.
What to know: The kit targets Suburban 520900 compatibility and Suburban magnesium anode lengths. Use as part of planned maintenance to prevent mineral buildup and extend tank life. Caution: ensure proper gasket seating during installation to avoid leaks.
ATEEfaee Upgraded RV Water Heater Elements Kit for Suburban SW Series
Best for: Experienced RV owners and technicians performing routine maintenance with upgraded components. This kit includes a 120V 1440W heating element, magnesium anode rod, 1-1/2″ and 1-1/16″ wrench sockets, and PTFE tape. It works well as a full maintenance service kit for Suburban SW series heaters (SW4DE to SW12DE families). The magnesium anode helps limit internal tank corrosion, supporting long-term performance.
What to know: It lists several compatible SW models and part number replacements (520900, 520789, 232794). Choose this if you value a single-package solution for regular upkeep and want durable sockets for easier service. Caution: follow torque guidance to avoid overtightening.
Saillong 4 Pieces RV Water Heater Elements Kit
Best for: RVers seeking a budget-friendly, all-in-one maintenance kit. Saillong’s 4-piece set includes an anode rod, an electric heater element, a dual hex wrench, and tape, designed for Suburban SW6DE/DE series and similar models. It supports simple maintenance and quick replacements, helping maintain steady hot water in the RV.
What to know: The included anode rod and 8.2″ 1440W heating element align with typical Suburban compatibility. Limitation: installation requires correct threading and may necessitate gasket replacement for a proper seal.
Upgraded 520900 RV Water Heater Element For Suburban SW Series
Best for: Suburban SW series owners seeking a direct replacement element. This 1440W 120V screw-in element is positioned as a factory-standard replacement that fits multiple SW models (SW4DE, SW6DE, SW10DE, SW12DE, SW16DE, and more). It emphasizes higher-temperature tolerance and corrosion resistance for longer life in challenging water conditions.
What to know: It explicitly notes compatibility with a wide range of SW variants and mentions gasket inclusion. Choose this if you want a single, widely compatible replacement with a gasket for a straightforward swap. Caution: verify model compatibility before installation to avoid mis-match.
520900 RV Water Heater Element Kit for Suburban SW Series (UHEGDRR)
Best for: Those replacing multiple parts with a single kit. This 520900 kit covers Suburban SW series elements and related replacements (520789, 232794) and includes a gasket and wrench socket for a complete swap. It’s designed to address issues like heating failure, long heat times, and low water temperature by restoring proper element function and seal integrity.
What to know: Compatibility spans many SWDE/DEL/DELC/DEM variants. It emphasizes durability and resistance to mineral buildup, helping extend tank life. Limitation: extensive compatibility means verify your exact model to ensure the correct end-user fit.
Buying Guide
What to consider when choosing an RV water heater heating element kit
- Model compatibility: Verify Suburban SW series and specific model numbers (e.g., SW4DE, SW6DE, SW12DE). A compatible element reduces heat time and leaks.
- Element wattage and voltage: Most RV heaters use 120V and 1440W. Ensure the replacement matches or exceeds your heater’s original specifications for efficient heating.
- Corrosion resistance: Magnesium anode rods protect the tank from corrosion. Elements with corrosion-resistant materials extend life in hard water.
- Included hardware: Look for kits that include gaskets, wrenches, and PTFE tape for a complete, leak-free installation.
- Maintenance vs. upgrade: Routine maintenance kits are ideal for regular service; upgraded elements suit owners facing ongoing heating issues or hard-water concerns.
- Ease of installation: Some kits come with longer elements or sockets that simplify DIY replacement; others may require additional tools or professional help.
Frequently Asked Questions
What is the most common RV water heater problem solved by these kits?
Inadequate heating or slow warm-up, often caused by a worn element or mineral buildup. Replacing the heating element restores heat transfer efficiency.
Can I use any brand element with my Suburban SW series heater?
Only if the element matches the exact thread size (3/4″ NPT) and electrical rating (120V, typically 1440W) of your heater. Check model compatibility before purchasing.
Do these kits include a gasket?
Some kits include a gasket; others may require purchasing a gasket separately. Always verify what’s included in the kit.
Is magnesium anode rod always necessary?
Magnesium anode rods help protect the tank from corrosion and extend life, especially in hard water conditions. Including one in the kit is advantageous for longevity.
What warranty protections apply to these replacement parts?
Warranty details vary by seller. Review the product listing for coverage terms, return policy, and any setup requirements.
How do I know which SW series element I need?
Review your RV heater’s model number and compare with the listed compatible SW series models in the product description. If in doubt, contact the seller for compatibility confirmation.