Power Knob, for D4 (gray black) Upright Brittle plastic and repeated filter

Brittle plastic and repeated filter changes are the common causes

carefully photograph all wire connections before disconnecting them to ensure correct reinstallation

or uneven rotation

supplied as parts 5703SW

efficient operation

Power Knob, for D4 (gray black) Upright Brittle plastic and repeated filterThis genuine SEBO Power Knob in gray black fits the SEBO D Series D4 canister. It is the knob you turn to power the machine on and off, seating over the switch mechanism and giving a firm, comfortable grip for the control. A power knob that has cracked, stripped, or worn smooth no longer turns the switch cleanly, so the D4 becomes awkward to start and the mechanism below can be left exposed. Fitting a fresh knob restores a positive turn and dependable