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The MATCO-NORCA crtf0704lf is a lead-free reducing tee fitting designed for copper piping systems in heating applications. It features a 1-1/2 x 1-1/2 x 3/4 inch nominal configuration with a female soldered x female soldered x female threaded (CXCXF) end connection pattern, making it a transition adapter between sweat copper and threaded connections. Cast from C89550 brass, this fitting meets lead-free compliance requirements for potable and hydronic systems. Licensed plumbers and HVAC technicians use this fitting when branching a 3/4 inch threaded branch off a 1-1/2 inch copper main in hydronic heating circuits.
This fitting is primarily used in residential and light commercial heating system installations where a reducing branch with a threaded female outlet is required. The CXCXF configuration suits transition points in forced hot water systems, allowing a threaded component such as a valve, sensor, or drain fitting to connect directly to the copper main without an additional adapter. It is commonly installed during new construction and retrofit work in hydronic heating piping.
Designed as an OEM-style replacement and standard-use reducing tee for residential and light commercial hydronic heating systems using 1-1/2 inch copper main lines with a 3/4 inch female threaded branch connection.
Installation should be performed by a licensed plumber in accordance with the International Plumbing Code (IPC) and applicable local codes. Shut off system water supply and relieve pressure before cutting into existing piping. Clean and flux all sweat connection surfaces thoroughly before soldering, and allow joints to cool completely before threading any components into the female NPT outlet. Do not over-torque threaded connections; use appropriate thread sealant compatible with hydronic heating systems.
We pulled together the parts most installs need for this unit, plus a few add-ons worth a look. Check what you need — nothing here blocks checkout.
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