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The MIDLAND METAL 706114-02 is a lead-free threaded brass plug sized for 1/8-inch pipe thread connections. It is used to cap off open pipe ends, ports, and fittings in plumbing, HVAC, and light industrial piping systems. The lead-free brass construction satisfies potable water compliance requirements, making it appropriate for installations where contact with drinking water is a concern. Plumbers and HVAC technicians install this plug as a permanent or temporary closure during system service, pressure testing, or when capping unused ports on manifolds, valves, and tee fittings. Its compact size and standard threaded profile allow fast hand installation with a wrench finish.
This plug is suited for residential and light commercial applications involving small-diameter pipe runs. Common uses include capping unused ports on plumbing manifolds, sealing test ports on gas lines after pressure checks, and closing off branch connections on HVAC refrigerant or hydronic systems. The 1/8-inch thread size is among the most common for instrument and gauge ports across a wide range of mechanical systems.
Designed as an OEM-style replacement or service plug for any system with a 1/8-inch threaded port or pipe end requiring a lead-free brass closure.
Installation is performed by licensed plumbers or qualified HVAC technicians. Shut off the water supply or isolate the gas or refrigerant circuit before installing or removing any threaded plug. Apply thread sealant tape or pipe compound appropriate for the media being sealed. Tighten the plug with a properly sized wrench to achieve a leak-free seal without over-torquing the fitting body.
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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