Grundig RV Water Heater Heating Element 520900 | 120V 1440W Replacement for Suburban SW Series & Atwood/Dometic G Series | Stainless Steel 316 | Replaces 520789, 232794, 92249, 91160, 9209
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Product Overview
The 520900 water heater heating element is a direct OEM replacement designed for Suburban SW series and Atwood/Dometic G series RV water heaters. Manufactured from stainless steel 316, it delivers reliable, efficient heating for motorhomes, campers, and travel trailers. If your hot water runs cold, takes too long to heat, or the breaker trips, a worn-out element is usually the cause — this drop-in replacement restores full heating performance in minutes.
Key Features
- Efficient Heating — Built-in resistance wire generates heat through electrical resistance, delivering efficient heating and quickly raising the water temperature.
- Direct OEM Replacement — Exact fit for Suburban SW series and Atwood/Dometic G series; replaces OEM parts 520789, 232794, 92249, 91160, 92097.
- Corrosion-Resistant — Made of stainless steel 316 for long service life against hard water and scale buildup.
- Multi-Application — Widely compatible with RVs, campers, and industrial vehicles.
- Compact Design — Streamlined tubular design fits easily into limited spaces, ideal for RVs and other compact applications.
- Easy Installation — Standard 1" NPT screw-in thread; installs easily with a standard element wrench.
Product Specifications
Available Options
Compatibility
Fits Suburban Water Heaters (SW Series): SW4, SW6, SW10, SW12, SW16, SW6D, SW6DE, SW6DEC, SW6DEL, SW6DELC, SW6DEM, SW6DFA, SW6DRA, SW6DERA, SW10DE, SW12DE, SW16DE
Fits Atwood / Dometic Water Heaters (G Series): G6A-4E, G6A-6E, G6A-7E, G6A-8E, GC6A-7E, GC6AA-9E, GC6AA-10E, GC10A-4E, GH6-3E, GCH6-4E, GCH6-6E, GCH6-7E, GCH6A-6E, GCH6A-10E, GCH10A-4E
Fits Vehicles: Motorhomes (Class A, B & C), Travel Trailers, Fifth Wheels, Camper Vans, Truck Campers, Teardrop Trailers
Replaces OEM Part Numbers: 520789, 232794 (Suburban); 92249, 91160, 92097 (Atwood / Dometic)
Signs Your Element Needs Replacing
- Water no longer gets hot, or heats very slowly
- Breaker trips when the electric mode is turned on
- Strange noises (popping or hissing) from the tank during heating
- Visible corrosion, cracks, or scale buildup on the old element
Safety Notes
- Always disconnect power/gas and drain the tank before installation.
- Verify the model number on your water heater nameplate before ordering.
- This element is designed for 110–120V AC systems. For 12V battery-operated RVs, please select a 12V element.
FAQ
Q1: How do I know this element fits my water heater? Check the nameplate on your water heater. If it shows a Suburban SW series model (e.g., SW6DE) or an Atwood/Dometic G series model (e.g., GC6AA-10E), this element fits.
Q2: Is this compatible with 110V systems? Yes. It is rated 120V/1440W and operates normally on both 110V and 120V AC supplies.
Q3: What thread size is required? 1" NPT screw-in thread, which is the standard opening on Suburban SW and Atwood/Dometic G series tanks.
Q4: Can I use it for a 12V battery-powered RV water heater? No. This is a 120V AC element. For 12V DC systems, a separate 12V element is required.
Q5: Do I need to drain the tank to replace the element? Yes. Always drain the tank before removing the old element.
Q6: What is the difference between the options? The options vary by what is included in the package. Option 1 includes only the heating element; Options 2–5 add the element wrench, anode rod, and/or PTFE tape for a complete replacement kit.