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The LUCAS-MILHAUPT 97-3 solder 1lb is a lead-free solder sold in a 1-pound quantity, intended for use in potable water plumbing, HVAC, and mechanical piping systems where lead-free compliance is required. Lead-free solder formulations meet federal and state mandates for drinking water systems, making this product a standard choice for licensed plumbers and pipefitters working on code-compliant installations. The 1-pound quantity suits both service calls and light production work.
This solder is applicable in residential and light commercial plumbing and HVAC piping applications. It is commonly used when sweating copper fittings and tubing in potable water lines, hydronic heating loops, and refrigeration piping where lead-free materials are specified. Plumbers, pipefitters, and HVAC technicians working under current plumbing codes will find this format convenient for everyday field use.
Designed for use with copper tubing and fittings in lead-free plumbing, HVAC piping, and mechanical systems. No specific compatible model numbers or system families were provided in the product data.
Installation is performed by licensed plumbers or HVAC technicians following applicable plumbing codes such as the IPC or local amendments. Shut off the water supply and fully drain the line before soldering to prevent steam pressure from forming inside the pipe. Use the appropriate flux for lead-free solder and apply heat evenly to the fitting rather than directly to the solder. Allow joints to cool naturally before restoring flow or pressure-testing the system.
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