Product: 520900 Screw‑In Heater Element — 1440W, 120V (Direct Replacement for Suburban SW Series and Atwood/Dometic Models) Key benefits Restores reliable hot water: 1440W, 120V heating element provides the power needed for rapid water heating in RV and travel trailer water heaters. Leak‑resistant service kit: includes gaskets to re‑seal the tank and maintain efficient heat transfer. Fast, low‑effort replacement: screw‑in design simplifies installation and routine maintenance so you can get back on the road quickly. Broad compatibility: designed to OEM part numbers 520789, SU520789, 232794 and Atwood part 92249; listed as 520900 for Suburban. Primary specifications Type: Screw‑in electric water heater element Power: 1440 watts Voltage: 120 volts Replaces: 520789, SU520789, 232794; Atwood 92249; Suburban 520900 Fits: Suburban RV / Camper SW Series Water Heaters (see models below) Compatible Suburban SW Series models SW4DE, SW4DEL, SW6DE, SW6DEC, SW6DEL, SW6DELC, SW6DEM, SW6PE, SW6PER, SW10DE, SW10DEC, SW10DEL, SW10DELC, SW10DEM, SW10PE, SW10PER, SW10VE, SW12DE, SW12DEC, SW12DEL, SW12DELC, SW12DEM, SW12VE, SW16DE, SW16DEC, SW16DEL, SW16DELC, SW16DEM, SW16VE Why customers choose this element Direct fit for factory replacement: matches OEM specifications to restore original performance without modification. Complete seal and performance maintenance: included gaskets reduce the risk of leaks and improve heat transfer compared to reusing old seals. Time and cost efficient: lowercost alternative to replacing the entire heater unit and quicker than waiting for professional service. Practical applications / use scenarios Emergency on the road: a failed element during a trip to regain hot water for showers and dishwashing without long downtime. Seasonal maintenance before storage or peak travel season: swap the element and gaskets to prevent leaks and ensure efficient heating for the upcoming season. Fleet or rental unit upkeep: maintain consistent hot water performance across multiple RVs by stocking this direct‑fit replacement element for quick service calls. Installation overview ( level) Turn off power and drain the tank per your water heater's instructions. Unscrew and remove the old element and seals, install the gasket, and screw in the 520900 element. Refill the tank, restore power, and verify operation. The screw‑in design keeps the procedure straightforward and suitable for routine maintenance. Compatibility note Intended for Suburban SW Series water heaters listed above and most Atwood/Dometic Suburban RV/Camper/Travel Trailer water heaters that use a 1440W, 120V screw‑in element. Confirm your existing part number (520789, SU520789, 232794, or Atwood 92249) or model fit before . What's included Screw‑in 1440W, 120V heater element (520900) Replacement gaskets for proper sealing This replacement element preserves factory performance and simplifies repairs with a directfit design and included gaskets, making it a practical choice for RV owners, fleet managers, and service technicians.