{"product_id":"sioux-chief-645px2-1-2-inch-pex-barb-coupling-polymer-25-pack","title":"Sioux Chief 645PX2 1\/2 Inch Pex Barb Coupling Polymer 25 Pack","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\n\u003cp\u003eThe SIOUX CHIEF 645PX2 is a 1\/2-inch PEX barb coupling designed for joining PEX tubing in residential and light commercial plumbing systems. Constructed from polymer, this fitting connects two runs of 1\/2-inch PEX using a barbed push-and-crimp style connection compatible with standard PEX installation methods. Sold in bags of 25, the 645PX2 is a practical choice for plumbers stocking fittings for rough-in work or repair jobs that require multiple connections on a single project.\u003c\/p\u003e\n\u003cp\u003eThis coupling is used in hydronic heating systems, potable water distribution lines, and radiant floor installations where 1\/2-inch PEX tubing is the standard pipe size. The barbed ends require a crimp ring or clamp ring tool for a secure, code-compliant connection. It is well suited for residential new construction, remodel work, and service calls where inline PEX splicing is needed.\u003c\/p\u003e\n\u003ch4\u003eKey Features\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e1\/2-inch PEX barb on both ends for inline PEX-to-PEX connections\u003c\/li\u003e\n  \u003cli\u003ePolymer construction resists corrosion and scale buildup\u003c\/li\u003e\n  \u003cli\u003eBarbed profile compatible with crimp ring and clamp ring installation methods\u003c\/li\u003e\n  \u003cli\u003eSold in a 25-piece bag for efficient stocking and multi-connection jobs\u003c\/li\u003e\n  \u003cli\u003eCompact fitting profile suitable for tight rough-in spaces\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eCompatibility\u003c\/h4\u003e\n\u003cp\u003eDesigned as an OEM-style replacement and standard fitting for residential and light commercial PEX plumbing systems using 1\/2-inch PEX tubing with barb-style connections.\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 ASTM F1807 or F2098 standards for PEX barb fittings. Shut off the water supply and relieve system pressure before cutting into any existing line. Use a properly calibrated crimp or clamp ring tool sized for 1\/2-inch fittings to ensure a leak-free connection. Do not use barb fittings without an appropriately sized crimp or clamp ring.\u003c\/p\u003e\n\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eConnection Type\u003c\/strong\u003e: PEX Barb x PEX Barb\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSize\u003c\/strong\u003e: 1\/2 inch x 1\/2 inch\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMaterial\u003c\/strong\u003e: Polymer\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eQuantity per Package\u003c\/strong\u003e: 25 pieces\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUPC\u003c\/strong\u003e: 739236457981\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: SIOUX CHIEF\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eManufacturer Part Number\u003c\/strong\u003e: 645PX2\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"SIOUX CHIEF","offers":[{"title":"Default Title","offer_id":51383934779698,"sku":"645PX2","price":19.57,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/312672937.png?v=1782612362","url":"https:\/\/voomisupply.com\/products\/sioux-chief-645px2-1-2-inch-pex-barb-coupling-polymer-25-pack","provider":"Voomi Supply","version":"1.0","type":"link"}