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The MUELLER INDUSTRIES LS02100 is a seamless copper tube in a 100-foot coil, manufactured from C12200 phosphorus deoxidized copper to ASTM B88 and NSF 61G standards. It measures 3/8 inch outside diameter with a 1/4 inch inside diameter and a 0.030 inch wall thickness, yielding 0.126 pounds per foot. Seamless construction eliminates longitudinal seam welds, making this tube suitable for pressure-rated applications in plumbing, HVAC refrigerant lines, and hydronic systems. Licensed plumbers, HVAC technicians, and mechanical contractors specify this product where leak-tight, corrosion-resistant copper tubing is required.
This tube is appropriate for residential and light commercial installations including domestic water supply, drain and vent rough-in where permitted, refrigeration suction and liquid lines, and radiant heating loops. The 100-foot coil length reduces the number of field joints required on longer runs. The 1/4 inch nominal size is a common dimension for refrigerant line sets, ice maker supply lines, and other small-bore mechanical applications. Compliance with NSF 61G confirms suitability for potable water contact where local codes allow copper tube in that service.
Designed as an OEM-style and field replacement seamless copper tube for residential and commercial plumbing, HVAC refrigerant, and hydronic piping systems requiring 3/8 inch OD Type K or Type L copper tube per ASTM B88.
Installation should be performed by a licensed plumber or certified HVAC technician in accordance with applicable IPC, IMC, and local mechanical codes. Shut off the water supply or recover refrigerant fully before cutting into any live system. Use a proper tube cutter to produce a square, burr-free cut, and ream the ID before swaging or soldering to maintain full flow area. Avoid kinking the coil during bending; use an appropriate tube bender for tight-radius work.
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