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The CHANNELLOCK W-4204 is a mini tubing cutter designed for cutting copper and aluminum tubing in confined or restricted spaces. The compact body allows access where full-size cutters cannot reach, making it a practical choice for tight mechanical rooms, wall cavities, and equipment enclosures. It handles tubing up to 1.125 inches in outer diameter and features a dual-roller feed system that keeps the cutter tracking straight through the cut. Replacement blades are available separately, extending the service life of the tool. Plumbers, HVAC technicians, and refrigeration mechanics will find this cutter useful for both roughing in and service work.
The W-4204 is suited for residential and light commercial applications where space constraints make a standard tubing cutter impractical. Common use cases include cutting ACR copper lines, domestic water supply tubing, and aluminum tubing runs in areas with limited swing clearance. The tool is sized for single-handed operation in awkward positions, which is a frequent requirement during equipment changeouts and retrofit installs.
Designed for use with copper and aluminum tubing up to 1.125 inches outer diameter, consistent with standard ACR and plumbing tube sizes commonly encountered in HVAC, refrigeration, and plumbing service work.
Tubing cutters of this type are used by licensed plumbers, HVAC technicians, and refrigeration mechanics. Before cutting any live system, isolate and depressurize the line in accordance with applicable codes, including IPC and IFGC requirements as relevant to the system type. Score and rotate the cutter gradually, applying light feed pressure with each pass to avoid deforming the tube wall. Deburr the cut end before flaring, swaging, or making any compression or press fitting connection.
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