Autofill assembly for 120 volt electric hot food tables (SW, HDSW, DISW, DISLSW series only), factory install only (not sold separately). Requires -M manifold drain upgrade (at additional cost) (not required for DISW-1-120, DISW-1-240 or HDSW series) 120v/60/1-ph, 10 watts (sensor), 110v/60/1-ph (control board)