{"product_id":"bk-158-976-brass-waste-adapter-1-1-4-x-1-1-2-in","title":"Bk 158-976 Brass Waste Adapter 1-1\/4 X 1-1\/2 in","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\u003cp\u003eThe BK 158-976 is a brass waste adapter designed to connect a 1-1\/4-inch drain outlet to a 1-1\/2-inch drain line. The adapter features a brass body and brass ring with a zinc nut, providing a durable, corrosion-resistant assembly suitable for sink drain connections. This fitting is also commonly referred to as a Desanco-style fitting. It is a standard component in drain assembly work and is installed by licensed plumbers and experienced DIYers working on lavatory or kitchen sink drainage systems.\u003c\/p\u003e\u003cp\u003eThis adapter is used in residential and light commercial plumbing applications where a size transition is needed between a fixture drain tailpiece and a larger drain line. Typical installations include lavatory sinks and bar sinks where a 1-1\/4-inch tailpiece must tie into a 1-1\/2-inch trap or drain stub-out. The fitting is sold individually and suits standard slip-joint drain configurations.\u003c\/p\u003e\u003ch4\u003eKey Features\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eBrass body and ring for corrosion resistance and durability\u003c\/li\u003e\n\u003cli\u003eZinc nut included for secure slip-joint connection\u003c\/li\u003e\n\u003cli\u003eTransitions from 1-1\/4-inch to 1-1\/2-inch drain lines\u003c\/li\u003e\n\u003cli\u003eDesanco-style fitting — widely recognized in the trade\u003c\/li\u003e\n\u003cli\u003eLightweight at 0.17 pounds for easy handling during installation\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eCompatibility\u003c\/h4\u003e\u003cp\u003eDesigned as an OEM-style replacement or standard component for residential and light commercial slip-joint drain assemblies requiring a 1-1\/4-inch to 1-1\/2-inch waste line transition.\u003c\/p\u003e\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\u003cp\u003eInstallation is performed by a licensed plumber or qualified tradesperson working on sink drain assemblies. Shut off the water supply and ensure the drain line is clear before beginning work. Hand-tighten the slip-joint nut first, then snug with channel-lock pliers — do not overtighten, as brass and zinc components can crack under excessive torque. Verify the connection is leak-free before returning the system to service.\u003c\/p\u003e\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eInlet Size\u003c\/strong\u003e: 1-1\/4 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOutlet Size\u003c\/strong\u003e: 1-1\/2 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBody Material\u003c\/strong\u003e: Brass\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRing Material\u003c\/strong\u003e: Brass\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNut Material\u003c\/strong\u003e: Zinc\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight\u003c\/strong\u003e: 0.17 pounds\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSold As\u003c\/strong\u003e: Each\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eStandard Information\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand\u003c\/strong\u003e: BK\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer Part Number\u003c\/strong\u003e: 158-976\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"B\u0026K","offers":[{"title":"Default Title","offer_id":51342752874802,"sku":"158-976","price":21.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/310549715.jpg?v=1782005599","url":"https:\/\/voomisupply.com\/products\/bk-158-976-brass-waste-adapter-1-1-4-x-1-1-2-in","provider":"Voomi Supply","version":"1.0","type":"link"}