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The MATCO-NORCA mn-zmglst4504 is a 3/4 inch galvanized malleable iron street 45-degree elbow designed for threaded pipe systems in plumbing, mechanical, and light industrial applications. As a street fitting, it combines a male NPT thread on one end and a female NPT thread on the other, allowing direct connection to a pipe or fitting without a nipple in between. The 45-degree angle allows directional changes in piping runs where a gradual offset is needed. Licensed plumbers and pipefitters typically install this fitting in water supply, gas distribution, and general mechanical piping assemblies.
This elbow is suited for residential and light commercial piping installations where galvanized steel fittings are specified. It is commonly used in water supply lines, drain-waste-vent adjacent support piping, and low-pressure gas or air lines where threaded galvanized fittings meet code requirements. The street configuration is especially useful in tight spaces where eliminating an extra fitting or nipple simplifies the assembly and reduces potential leak points.
Designed as an OEM-style replacement or new-installation fitting for 3/4 inch threaded galvanized steel piping systems using NPT connections.
Installation should be performed by a licensed plumber or pipefitter in accordance with applicable local plumbing codes and the International Plumbing Code (IPC). Shut off the water or gas supply and depressurize the line before disassembling or installing any threaded fittings. Apply an appropriate thread sealant or PTFE tape to the male threads before assembly and tighten to a secure, wrench-tight connection without over-torquing. Inspect for leaks after restoring pressure to the system.
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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