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The BOSHART bma-050nl is a lead-free bronze insert adapter designed to connect polyethylene pipe to threaded pipe systems. The fitting features a 1/2 inch male pipe thread (MPT) on one end and a barbed insert end on the other, allowing a secure transition between threaded fittings and poly pipe. Manufactured from lead-free bronze, this adapter meets drinking water safety standards and is suited for potable water distribution systems. It is a standard fitting type installed by licensed plumbers and water system technicians in residential and light commercial applications.
This insert adapter is intended for use with polyethylene (poly) pipe, not garden hose or rubber hose assemblies. It is commonly installed in well water systems, irrigation supply lines, and rural water distribution where poly pipe transitions to threaded iron or brass pipe fittings. The MPT end threads directly into female-threaded valves, manifolds, or pipe couplings, while the insert barb end seats into the poly pipe and is secured with a stainless steel or galvanized clamp.
Designed as an OEM-style replacement and standard insert fitting for 1/2 inch polyethylene pipe systems with 1/2 inch MPT threaded connections.
Installation is performed by a licensed plumber or qualified water system technician. Shut off the water supply and relieve system pressure before beginning work. The insert barb end should be fully seated into the poly pipe before applying a clamp; use an appropriately sized stainless steel or galvanized hose clamp torqued per the clamp manufacturer specification. Thread the MPT end into the female fitting by hand before applying a wrench to avoid cross-threading, and use thread sealant tape or compound rated for potable water systems.
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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