Power Knob, for D4 (gray black) Upright letting fine dust escape and

letting fine dust escape and reach internal parts

This genuine SEBO Terminal Block fits the SEBO 370 series

or uneven rotation

so the canister runs stable and quiet once more

The housing has to seal around the bag

Power Knob, for D4 (gray black) Upright letting fine dust escape andThis 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