The Z1170-UN Grease Interceptor with User Notification is an acid resistant coated interior and exterior fabricated steel grease interceptor, PDI Rated, with internal air relief by-pass. This interceptor also comes standard with bronze cleanout plug, removable pressure equalizing/flow diffusing inlet baffle, fixed bottom outlet baffle and visible double wall trap seal. Gasketed non-skid secured cover complete with tie down assembly, and Z1108 flow control fitting. Includes encased fiberglass sensor box containing an electronic grease level sensor, and a fiberglass display box with green power light, red grease level light, audio alarm, and junction box.