520900 ScrewIn Heater Element — 1440W, 120V Replaces: 520789, SU520789, 232794 Compatible with: Suburban SW series water heaters (models SW4DE through SW16VE) Key benefits Restores reliable hot water: 1440W/120V output delivers the heating power needed for normal recovery times and consistent water temperature. Longlasting performance: corrosionresistant construction and a design that resists mineral buildup reduce failures and extend the service life of your water heater. Fast, simple service: screwin form factor allows quick field replacement without special tools, minimizing downtime and service cost. What this part does Heats the water in Suburban SW series tanks using a standard screwin element interface. Replaces worn or damaged elements to resolve heating problems and improve overall system performance. Problems it solves No hot water or unable to heat Excessively long heating times or slow recovery Low water temperature at outlets Abnormal pressure or slow water flow caused by elementrelated issues Corrosion or mineralclogrelated failures Key attributes Power: 1440 watts Voltage: 120 volts Mounting: screwin element for standard Suburban SW series ports Compatibility: Direct replacement for listed part numbers and Suburban SW4DE–SW16VE models Durability: designed to resist corrosion and mineral buildup to reduce maintenance frequency Installation notes Direct screwin replacement — remove access panel, drain tank per manufacturer instructions, unthread old element and install element. No special tools required beyond standard hand tools. Follow all safety and manufacturer guidelines when servicing water heaters. Practical use scenarios 1) RV owner on a weekend trip replaces a failed element in a Suburban SW6DE water heater to restore hot showers before continuing travel. 2) Fleet maintenance for a camper rental service proactively swaps elements during offseason service to prevent summer failures and shorten guest complaints. 3) Boat owner experiencing slow recovery replaces a corroded element in a SW8VE unit to regain consistent hot water at sinks and showers. Compatibility reminder Use this element as a direct replacement for part numbers 520789, SU520789, and 232794 in Suburban SW series water heaters (models SW4DE through SW16VE). Verify model and part number before and follow the appliance manufacturer's service instructions.