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The VALUE COLLECTION 457-003NL is a Class 125 brass pipe end cap designed to terminate a 1/2 inch male pipe thread (MPT) connection in plumbing, HVAC, and general piping systems. Rated at 125 psi, this end cap features a red brass finish that provides reliable corrosion resistance in water and low-pressure gas distribution lines. The MPT thread pattern allows the cap to thread directly onto a male-threaded pipe or fitting, creating a secure, pressure-rated termination. Licensed plumbers and pipefitters install this type of fitting when capping off unused branch lines, service ports, or rough-in stubs during new construction or renovation work.
This end cap is suited for residential and light commercial plumbing applications where a 1/2 inch NPT branch or stub requires a clean, permanent termination. Common install scenarios include capping water supply lines, closing off test ports after pressure testing, and sealing unused outlets on manifolds or distribution headers. The Class 125 pressure rating aligns with standard copper and brass plumbing system requirements in most residential service environments.
Designed as an OEM-style replacement and standard-service fitting for 1/2 inch MPT brass pipe systems rated at Class 125 or below.
Installation is performed by a licensed plumber or qualified pipefitter in accordance with applicable IPC and local plumbing codes. Shut off the water supply and depressurize the line before threading the cap onto the pipe. Apply thread sealant tape or pipe compound to the male threads before installation and hand-tighten before finishing with a wrench. Do not over-torque brass fittings, as the material is susceptible to cracking under excessive force.
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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