{"product_id":"eff-104046-lf-brass-pex-x-mpt-adapter-1-2-inch-pex-x-3-4-inch-mpt","title":"Eff 104046-lf Brass Pex X Mpt Adapter 1\/2 Inch Pex X 3\/4 Inch Mpt","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\u003cp\u003eThe EFF 104046-lf is a brass adapter fitting designed to connect 1\/2 inch PEX tubing to 3\/4 inch male pipe thread (MPT) fittings. This type of transition fitting is a staple in residential and light commercial plumbing systems where PEX supply lines meet threaded metal connections. Plumbers, pipefitters, and mechanical contractors rely on adapters like the 104046-lf to bridge the gap between flexible PEX tubing and threaded brass or iron components such as valves, manifolds, water heaters, and fixture supply stops. The 1\/2 inch PEX side accepts standard PEX-A, PEX-B, or PEX-C tubing, making it compatible with the most widely used PEX installation systems in the field. The 3\/4 inch MPT end threads directly into female-threaded ports on a wide range of plumbing equipment. Brass construction gives this adapter excellent durability and corrosion resistance, making it suitable for hot and cold potable water applications. Brass fittings are a preferred choice in plumbing because the material holds up well under pressure, resists scale buildup, and maintains a reliable seal over the long term. The 104046-lf is a practical solution for roughing in new construction plumbing, replacing worn fittings in retrofit projects, or completing any job that requires a PEX to MPT transition. Its compact design fits into tight spaces common in wall cavities and mechanical rooms. Trade professionals keeping a well-stocked service van or supply shelf will find this adapter useful across a broad range of residential service calls and new build installations.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eConnects 1\/2 inch PEX tubing to 3\/4 inch male pipe thread (MPT) fittings in a single fitting\u003c\/li\u003e\n\u003cli\u003eSolid brass construction provides corrosion resistance and long service life in potable water systems\u003c\/li\u003e\n\u003cli\u003eCompatible with PEX-A, PEX-B, and PEX-C tubing for broad jobsite versatility\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eProduct Highlights\u003c\/h4\u003e\u003cp\u003eThe EFF 104046-lf brass PEX x MPT adapter delivers a reliable, pressure-rated transition between 1\/2 inch PEX supply lines and 3\/4 inch threaded connections. Its all-brass construction makes it a dependable choice for potable water plumbing in both new construction and retrofit applications.\u003c\/p\u003e\u003ch3\u003eProduct Information\u003c\/h3\u003e\u003ch4\u003eStandard Information\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand\u003c\/strong\u003e: EFF\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer Part Number\u003c\/strong\u003e: 104046-lf\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eFitting Type\u003c\/strong\u003e: Adapter\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConnection Size 1\u003c\/strong\u003e: 1\/2 inch\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConnection Type 1\u003c\/strong\u003e: PEX\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConnection Size 2\u003c\/strong\u003e: 3\/4 inch\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConnection Type 2\u003c\/strong\u003e: MPT\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConnection Type\u003c\/strong\u003e: PEX to MPT\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial Construction\u003c\/strong\u003e: Brass\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial\u003c\/strong\u003e: Brass\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"EFF","offers":[{"title":"Default Title","offer_id":51121055433010,"sku":"104046-LF","price":14.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/304882004.jpg?v=1777747133","url":"https:\/\/voomisupply.com\/products\/eff-104046-lf-brass-pex-x-mpt-adapter-1-2-inch-pex-x-3-4-inch-mpt","provider":"Voomi Supply","version":"1.0","type":"link"}