Replacement Control Knob - A4188

Replacement Control Knob - A4188

Restore positive control selection with this Replacement Control Knob. This knob fits the control shaft so the user can select the intended setting and read the pointer position correctly.

A4188 is a universal/spec-match product selected by its verified dimensions, ratings, connections, or application rather than by appearance alone.

Fitment / What To Verify: Match the part number, dimensions, ratings, connections, and intended application before ordering.

Is it time to replace?

• Common Symptoms: Knob is cracked, stripped, loose, missing, or no longer turns the control reliably.
• Visible/Sensory Cues: Split hub, rounded shaft opening, broken pointer/skirt, loose fit, or incorrect OFF/setting alignment.

Pro Tip: Knobs are high-return items: verify shaft shape, flat orientation, diameter, pointer alignment, and finish against the exact control before ordering.

Technical Specifications