Suburban Mfg Water Heater Relay For Sw4 Sw6 Sw10 Sw12 Sw16 D De And Del. It is compatible with Suburban's SW4 SW6 SW10 SW12 SW16 D DE and DEL. Includes a 90 day limited warranty. Features of Suburban Mfg 232948 Water Heater Relay For Sw4 Sw6 Sw10 Sw12 Sw16 D De And Del Designed for use with RV water heaters Compatible with Suburban's SW4 SW6 SW10 SW12 SW16 D DE and DEL Includes one relay per package 90 day limited warranty Package Contents: Suburban Mfg 232948 Water Heater Relay For Sw4 Sw6 Sw10 Sw12 Sw16 D De And Del Suburban Mfg 232948: Water Heater Relay For Sw4 Sw6 Sw10 Sw12 Sw16 D De And Del