{"product_id":"ay-mcdonald-4423-392-pex-a-poly-insert-tee-3-4x3-4x1-2","title":"Ay Mcdonald 4423-392 Pex-a Poly Insert Tee 3\/4x3\/4x1\/2","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\n\u003cp\u003eThe AY MCDONALD 4423-392 is a reducing poly insert tee designed for use in PEX-A tubing systems. It provides a branch connection in a potable water or hydronic distribution line, stepping down from a 3\/4-inch run to a 1\/2-inch branch outlet. The barbed insert design locks into PEX-A tubing when secured with a crimp ring or clamp ring, creating a leak-resistant joint without soldering or threading. Licensed plumbers and pipefitters install this fitting in residential and light commercial water supply systems where PEX-A tubing is the specified pipe material.\u003c\/p\u003e\n\u003cp\u003eThis fitting is suited for residential hot and cold water distribution lines as well as hydronic heating branch connections. The 3\/4-inch by 3\/4-inch by 1\/2-inch configuration is commonly used at manifold takeoffs, fixture branch points, and zone supply splits where flow is being reduced to a smaller downstream line. It is intended for use exclusively with PEX-A tubing, where the expansion or barb-and-clamp method is the standard joining technique.\u003c\/p\u003e\n\u003ch4\u003eKey Features\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003eReducing tee configuration: 3\/4 inches x 3\/4 inches x 1\/2 inches for branch line transitions\u003c\/li\u003e\n  \u003cli\u003eCompatible with PEX-A tubing systems using barb insert joining method\u003c\/li\u003e\n  \u003cli\u003ePoly construction resists corrosion and scale buildup in water distribution applications\u003c\/li\u003e\n  \u003cli\u003eBarbed insert ends secure with standard crimp or clamp rings for a reliable seal\u003c\/li\u003e\n  \u003cli\u003eNo soldering, threading, or open flame required during installation\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eCompatibility\u003c\/h4\u003e\n\u003cp\u003eDesigned as an OEM-style insert fitting for PEX-A tubing systems in residential and light commercial water supply and hydronic piping applications.\u003c\/p\u003e\n\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\n\u003cp\u003eInstallation should be performed by a licensed plumber in accordance with applicable local plumbing codes and IPC standards. Shut off the water supply and depressurize the line before cutting into existing tubing. Use a properly sized PEX crimp ring tool or clamp ring tool to secure the fitting to the tubing ends. Inspect each barbed connection for full seating before restoring system pressure.\u003c\/p\u003e\n\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eConnection Size\u003c\/strong\u003e: 3\/4 inches x 3\/4 inches x 1\/2 inches\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFitting Type\u003c\/strong\u003e: Reducing Insert Tee\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eTubing Compatibility\u003c\/strong\u003e: PEX-A\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMaterial\u003c\/strong\u003e: Poly (Polymer)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUPC\u003c\/strong\u003e: 811734022752\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOrder Increment\u003c\/strong\u003e: 1\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eStandard Information\u003c\/h4\u003e\n\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: 4423-392\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"AY MCDONALD","offers":[{"title":"Default Title","offer_id":51396271505714,"sku":"4423-392","price":14.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/312834277.jpg?v=1782828746","url":"https:\/\/voomisupply.com\/products\/ay-mcdonald-4423-392-pex-a-poly-insert-tee-3-4x3-4x1-2","provider":"Voomi Supply","version":"1.0","type":"link"}