{"product_id":"ay-mcdonald-4423-380-pex-a-poly-insert-90-elbow-1-2-in","title":"Ay Mcdonald 4423-380 Pex-a Poly Insert 90 Elbow 1\/2 in","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\n\u003cp\u003eThe AY MCDONALD 4423-380 is a 1\/2 inch PEX-A poly insert 90 degree elbow fitting designed for use in PEX-A tubing systems. This insert-style elbow provides a directional change of 90 degrees within a potable water or hydronic distribution line. Constructed from polymer material, it is compatible with the expansion-style (PEX-A) connection method, which requires a PEX expander tool and expansion rings for a secure, leak-resistant joint. Plumbers and pipefitters working on residential and light commercial systems will encounter this fitting during rough-in and retrofit work.\u003c\/p\u003e\n\u003cp\u003eThis fitting is suited for 1\/2 inch PEX-A tubing installations in residential plumbing, radiant heating distribution, and similar hydronic or potable water applications. The 90 degree elbow is commonly used where a right-angle direction change is needed in tight spaces such as wall cavities, under slabs, or within mechanical rooms. It is installed using the PEX-A expansion method, making it appropriate wherever PEX-A compatible fittings are specified by design or code.\u003c\/p\u003e\n\u003ch4\u003eKey Features\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e90 degree elbow geometry for right-angle directional changes in PEX-A tubing runs\u003c\/li\u003e\n  \u003cli\u003e1\/2 inch size matches standard residential and light commercial supply line sizing\u003c\/li\u003e\n  \u003cli\u003eInsert-style design used with PEX-A expansion rings and an expander tool\u003c\/li\u003e\n  \u003cli\u003ePolymer construction suited for potable water and hydronic service\u003c\/li\u003e\n  \u003cli\u003eOrder increment of 1, allowing single-unit purchasing\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eCompatibility\u003c\/h4\u003e\n\u003cp\u003eDesigned as an OEM-style insert fitting for use with 1\/2 inch PEX-A tubing and compatible expansion rings in residential and light commercial plumbing and hydronic systems.\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 guidelines. Shut off the water supply and relieve system pressure before cutting into an existing line. Use a calibrated PEX-A expander tool to expand the tubing and ring before seating the fitting insert. Allow the expanded tubing to recover fully around the fitting before pressurizing the system.\u003c\/p\u003e\n\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eTubing Size\u003c\/strong\u003e: 1\/2 inch\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eTubing Type\u003c\/strong\u003e: PEX-A\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFitting Type\u003c\/strong\u003e: Poly Insert\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAngle\u003c\/strong\u003e: 90 degrees\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eConnection Method\u003c\/strong\u003e: Expansion (PEX-A)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUPC\u003c\/strong\u003e: 811734022776\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: 4423-380\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"AY MCDONALD","offers":[{"title":"Default Title","offer_id":51396279009586,"sku":"4423-380","price":14.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/312834221.jpg?v=1782828941","url":"https:\/\/voomisupply.com\/products\/ay-mcdonald-4423-380-pex-a-poly-insert-90-elbow-1-2-in","provider":"Voomi Supply","version":"1.0","type":"link"}