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The GREEN LEAF F 1800 is a 1/8-inch nylon pipe plug designed to cap off threaded pipe openings in plumbing, HVAC, and fluid-handling systems. It uses a male iron pipe thread (MIPT) end connection and is molded from white nylon for lightweight, corrosion-resistant service. The plug meets NSF 61 and NSF 372 certification standards, making it suitable for use in potable water systems where lead content compliance is required. Plumbers and pipefitters install this type of fitting to seal unused branch outlets, pressure test ports, and open tees during system service or installation.
This plug is suited for residential and light commercial plumbing applications where a small-diameter threaded port needs to be closed off. Common scenarios include capping unused ports on manifolds, valves, and distribution fittings. Its nylon construction resists corrosion and is compatible with a range of fluids including potable water. The white color finish allows for quick visual identification during inspection.
Designed as a standard 1/8-inch MIPT pipe plug for use in threaded plumbing fittings, valve bodies, and manifold ports requiring a small-diameter closure in potable water or fluid-handling systems.
Installation is performed by licensed plumbers or qualified pipefitters. Shut off the water supply and depressurize the system before installing or removing any pipe plug. Apply thread sealant tape or compound to the MIPT threads before hand-tightening, then snug with a wrench — do not overtighten nylon fittings, as excessive torque can crack the body. Verify compliance with local plumbing codes and IPC requirements for the intended application.
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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