Knob Drain

Multiple brands Knob Drain is listed under part number 02-4032-03 for ice maker service and replacement work. Drain components guide melt water out of the unit. When the drain path leaks or backs up, you’ll see pooling, overflow, or wet-floor complaints. Disconnect power before service. Reassemble so nothing pinches, rubs, or binds once the unit is back together. Replacing a worn part early can prevent secondary damage to nearby components. Technicians typically replace this part when they’re seeing water backing up, visible wear, cracking, corrosion, or a component that won’t stay seated. If the fault changes with vibration or after moving panels, look for borderline fitment and loose connectors in the same area. Take a photo before disassembly so you can confirm orientation and fastener locations during reassembly. If the part interacts with water, do a leak check during the first run and again after a short operating period. If the part interacts with water, do a leak check during the first run and again after a short operating period. Take a photo before disassembly so you can confirm orientation and fastener locations during reassembly. If the part interacts with water, do a leak check during the first run and again after a short operating period. Take a photo before disassembly so you can confirm orientation and fastener locations during reassembly. If the part interacts with water, do a leak check during the first run and again after a short operating period. If the part interacts with water, do a leak check during the first run and again after a short operating period. Take a photo before disassembly so you can confirm orientation and fastener locations during reassembly. If the part interacts with water, do a leak check during the first run and again after a short operating period.