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The UTILITY MANUFACTURING 14-215 is a lead-free paste flux formulated for sweat fitting work on copper, brass, bronze, lead, tin, zinc, cast iron, and wrought iron. Weighing in at 8 oz (1/2 lb), this self-cleaning flux removes oxidation from base metals and prepares surfaces for proper solder bonding, assuring leak-tight joints. It is odorless, non-evaporating, and non-acid, making it suitable for use in occupied spaces during service work. The flux allows solder to flow freely and tin consistently, and is compatible with all soft solder applications including 95/5 alloy. It meets federal specification O-F-506.
This flux is used in residential and light commercial plumbing applications wherever sweat-soldered copper fittings are required. Typical install scenarios include new rough-in work, repair of existing copper lines, and retrofit connections involving dissimilar metals such as brass valves or bronze fittings. Licensed plumbers and pipefitters are the primary users. Its broad metal compatibility makes it useful across a range of joining situations beyond standard copper-to-copper work.
Designed for use on copper, brass, bronze, lead, tin, zinc, cast iron, and wrought iron surfaces in standard sweat-soldering and soft solder applications.
Applied by licensed plumbers or pipefitters working with sweat-soldered connections. Shut off and drain the water supply before beginning any soldering work on pressurized lines. Apply flux sparingly and evenly to cleaned joint surfaces before heating. Follow all applicable plumbing codes, including IPC requirements for lead-free materials in potable water systems.
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