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The GREEN LEAF F 1800 P is a 1/8-inch polypropylene pipe plug with male iron pipe thread (MIPT) end connections. This fitting is used to seal off open pipe ends in low-pressure fluid systems where a lightweight, corrosion-resistant plastic fitting is preferred over brass or steel. Molded from black polypropylene, the F 1800 P meets NSF 61 and NSF 372 standards, making it suitable for potable water contact applications. Plumbers, pipefitters, and mechanical contractors install this plug to cap unused ports on manifolds, valves, and distribution lines.
This plug is well-suited for residential and light commercial plumbing, water treatment, irrigation, and fluid handling systems. The 1/8-inch MIPT thread engages standard female-threaded ports on valves, tees, and cross fittings. Its polypropylene construction resists most mild chemicals and is a common choice for low-pressure, non-petroleum fluid systems where metal fittings are not required or desired.
Designed as a standard 1/8-inch MIPT pipe plug for use in female-threaded ports on valves, manifolds, tees, and fittings in low-pressure plumbing and fluid handling systems.
Installation is performed by licensed plumbers or qualified pipefitters. Shut off system pressure and drain the line before removing or installing any pipe plug. Apply PTFE tape or thread sealant appropriate for polypropylene fittings to the male threads before installation. Do not overtighten — polypropylene threads can crack under excessive torque.
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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