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The ELKHART PRODUCTS 10037939 is a leaded cast brass union designed for copper-to-copper solder connections in non-potable water and general plumbing systems. Built to Model 4733 specifications, this 1-inch CxC union provides a serviceable disconnect point in a copper line, allowing sections of pipe to be separated and reassembled without cutting. The leaded brass construction offers good machinability and a reliable seat for solder joints. This fitting is rated for solder-type assembly and is restricted from potable water applications as of 2013 per applicable plumbing codes.
This union is suited for hydronic heating systems, industrial fluid lines, HVAC condensate or chilled-water piping, and other non-potable closed-loop systems where a sweat-connected union is required. It is installed by licensed plumbers and HVAC pipefitters working with 1-inch copper tubing. The 4733 product line is a cast brass fitting intended for systems where disassembly and maintenance access are part of the design.
Designed as a solder-type union replacement for 1-inch copper pipe systems in non-potable applications. Compatible with standard 1-inch copper tubing using sweat-solder assembly methods.
Installation should be performed by a licensed plumber in accordance with applicable local codes and the IPC or IFGC as required. Shut off and drain the system fully before disassembling or sweating any fittings. Clean and flux both the fitting sockets and the copper tube ends before applying heat. This fitting is not permitted for potable or drinking water service after 2013 and must be used only in approved non-potable system applications.
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