Model 83154NL Replacement for PlumbMaster 1/4 MIP Brass Hex Head Plug Product overview This 1/4 MIP brass hex head plug is designed to close 1/4 inch female MIP ports quickly and securely. The solid brass body and hex head profile make installation and removal simple with standard wrenches, restoring system integrity without replacing fittings or assemblies. Key benefits Reliable sealing for unused or damaged ports: prevents leaks and restores system function when a port must be closed or a worn plug needs replacement. Durable brass construction: resists corrosion and handles routine plumbing and pneumatic environments for long service life. Easy to install: hex head lets you tighten or remove the plug with a standard wrench for fast field repairs. Precise thread fit: 1/4 MIP threading matches 1/4 inch female MIP ports for a tight mechanical connection. Direct replacement compatibility: designed as a replacement for PlumbMaster 1/4 MIP plugs and compatible with other components using the same thread standard. Specifications and function Model: 83154NL Thread size: 1/4 inch MIP (male iron pipe) Head style: hex head for wrench installation Material: brass Primary function: plug and seal female 1/4 MIP ports to prevent fluid or air leakage Practical applications Plumbing repairs: close off an unused branch in a water line manifold or a stripped or missing plug on a maintenance access port. Water filtration and softener systems: seal service ports or bypass fittings during installation, testing, or service. Pneumatic and irrigation systems: cap unused 1/4 MIP ports on manifolds, valves, or fittings to maintain pressure and prevent leaks. Installation tips Clean threads before installing to ensure proper seating. Apply appropriate thread sealant or PTFE tape if a secondary seal is required for your application. Tighten with a wrench using steady torque; avoid excessive force that could damage the fitting or mating threads. Why choose this plug Model 83154NL offers a straightforward, robust solution for sealing 1/4 MIP ports. Its brass construction and hex head design make it a practical choice for routine maintenance, replacements, and system modifications where a reliable mechanical plug is needed. Compatible with PlumbMaster 1/4 MIP applications and other equipment using the same thread standard, it provides a direct, loweffort way to stop leaks and protect system performance.