{"product_id":"ay-mcdonald-5423-274-pex-a-brass-insert-sweat-adapter-3-4-in","title":"Ay Mcdonald 5423-274 Pex-a Brass Insert Sweat Adapter 3\/4 in","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\u003cp\u003eThe AY MCDONALD 5423-274 is a 3\/4-inch lead-free brass insert adapter designed to transition PEX-A tubing to a male sweat (solder) copper connection. This fitting serves as a critical transition point in hydronic, potable water, and plumbing distribution systems where PEX-A flexible tubing meets rigid copper pipe or copper-sweat valves and fixtures. Manufactured from lead-free brass, it meets federal and state safe drinking water standards for potable water applications. Licensed plumbers install this adapter during rough-in and finish plumbing work where PEX-A and copper systems intersect.\u003c\/p\u003e\u003cp\u003eThis adapter is suited for residential and light commercial plumbing systems using PEX-A tubing. It is a common fitting in radiant heating distribution, domestic hot and cold water supply lines, and retrofit applications where existing copper infrastructure is being connected to new PEX-A runs. The insert end accepts standard 3\/4-inch PEX-A tubing secured with an expansion ring or crimp ring per the installation method used, while the male sweat end solders directly to standard copper fittings and pipe.\u003c\/p\u003e\u003ch4\u003eKey Features\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eLead-free brass construction meets Safe Drinking Water Act requirements for potable water use\u003c\/li\u003e\n\u003cli\u003e3\/4-inch PEX-A insert end compatible with PEX-A expansion or crimp connection methods\u003c\/li\u003e\n\u003cli\u003eMale sweat end solders to standard 3\/4-inch copper fittings and pipe\u003c\/li\u003e\n\u003cli\u003eSingle-piece brass body for durable, corrosion-resistant performance in wet environments\u003c\/li\u003e\n\u003cli\u003eOrder increment of 1, suitable for single-fitting replacement or new installation\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eCompatibility\u003c\/h4\u003e\u003cp\u003eDesigned as an OEM-style transition fitting for 3\/4-inch PEX-A tubing to 3\/4-inch male sweat copper connections in residential and light commercial plumbing systems.\u003c\/p\u003e\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\u003cp\u003eInstallation should be performed by a licensed plumber in accordance with local plumbing codes and the International Plumbing Code (IPC). Shut off the water supply and depressurize the line before installation. The insert end requires a proper PEX-A expansion tool or crimp tool depending on the connection method used — never use push-fit or barb methods on this fitting type. The male sweat end must be soldered using appropriate flux and lead-free solder per applicable code requirements.\u003c\/p\u003e\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSize\u003c\/strong\u003e: 3\/4 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConnection Type\u003c\/strong\u003e: PEX-A Brass Insert x Male Sweat\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial\u003c\/strong\u003e: Lead-Free Brass\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUPC\u003c\/strong\u003e: 811734021687\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOrder Increment\u003c\/strong\u003e: 1\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eStandard Information\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand\u003c\/strong\u003e: AY MCDONALD\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer Part Number\u003c\/strong\u003e: 5423-274\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"AY MCDONALD","offers":[{"title":"Default Title","offer_id":51396383998258,"sku":"5423-274","price":15.03,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/312834211.jpg?v=1782830819","url":"https:\/\/voomisupply.com\/products\/ay-mcdonald-5423-274-pex-a-brass-insert-sweat-adapter-3-4-in","provider":"Voomi Supply","version":"1.0","type":"link"}