Ordering the right replacement starts with the part number. Knob is listed as part 02-3141-01 for ice machine service. Even simple parts can create downtime when they leak, loosen, or interfere with movement. Common reasons for replacement include leaks, visible wear, cracking, stripped threads, or a part that won’t stay seated. A solid troubleshooting approach is to confirm the symptom, then check alignment, connections, and any related hoses or wiring in the same area. Disconnect power before servicing. Reinstall carefully so nothing binds, rubs, or pinches during operation. Double-check surrounding clamps and mounts so the new part isn’t stressed by misalignment. If the machine was down for a while, take the opportunity to clean the area around the repair. Double-check surrounding clamps and mounts so the new part isn’t stressed by misalignment. A quick visual after the first cycle can catch small leaks before they become a mess. Double-check surrounding clamps and mounts so the new part isn’t stressed by misalignment. Double-check surrounding clamps and mounts so the new part isn’t stressed by misalignment. If the machine was down for a while, take the opportunity to clean the area around the repair. Double-check surrounding clamps and mounts so the new part isn’t stressed by misalignment. A quick visual after the first cycle can catch small leaks before they become a mess. If the machine was down for a while, take the opportunity to clean the area around the repair. A quick visual after the first cycle can catch small leaks before they become a mess. A quick visual after the first cycle can catch small leaks before they become a mess. A quick visual after the first cycle can catch small leaks before they become a mess.