{"product_id":"westlake-dwv-d107-422-dwv-flush-bushing-4x3-in-pvc","title":"Westlake dwv-d107-422 Dwv Flush Bushing 4x3 in Pvc","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\n\u003cp\u003eThe WESTLAKE PIPE FITTINGS dwv-d107-422 is a PVC flush bushing designed for drain, waste, and vent (DWV) piping systems. It transitions from a 4-inch spigot connection to a 3-inch hub connection, allowing a reduction in line size without the need for a separate coupling or adapter. The spigot end inserts directly into a standard 4-inch hub fitting, while the 3-inch hub end accepts standard PVC DWV pipe. This fitting is installed by licensed plumbers and experienced pipefitters during rough-in work and service repairs on residential and light commercial drain and vent systems.\u003c\/p\u003e\n\u003cp\u003eThis bushing is suited for use in gravity-drain applications where a reduction from 4-inch to 3-inch nominal pipe size is required within a DWV assembly. Typical installation scenarios include branch line reductions, closet flange transitions, and vent stack tie-ins. The flush bushing profile keeps the fitting compact and flush with the surrounding pipe assembly, which is useful in tight spaces behind walls or under slabs. Fittings of this type are commonly used in both new construction rough-in and retrofit drain line work.\u003c\/p\u003e\n\u003ch4\u003eKey Features\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003ePVC construction provides corrosion resistance and compatibility with standard DWV solvent-weld cement\u003c\/li\u003e\n  \u003cli\u003eSpigot x hub end configuration allows direct insertion into an existing 4-inch hub fitting\u003c\/li\u003e\n  \u003cli\u003e4 x 3 inch nominal pipe size reduction in a single compact fitting\u003c\/li\u003e\n  \u003cli\u003eFlush bushing design minimizes overall fitting length for use in confined spaces\u003c\/li\u003e\n  \u003cli\u003eDWV-rated for drain, waste, and vent service\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eCompatibility\u003c\/h4\u003e\n\u003cp\u003eDesigned as an OEM-style DWV fitting for use with standard 4-inch spigot and 3-inch hub PVC drain, waste, and vent piping systems.\u003c\/p\u003e\n\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\n\u003cp\u003eInstallation is performed by a licensed plumber in accordance with local plumbing codes and the International Plumbing Code (IPC). Shut off water service and ensure the drain line is clear before beginning work. Surfaces must be clean, dry, and deburred before applying PVC primer and solvent-weld cement per the cement manufacturer instructions. Do not use this fitting for pressure piping applications.\u003c\/p\u003e\n\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMaterial\u003c\/strong\u003e: PVC\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eNominal Pipe Size\u003c\/strong\u003e: 4 x 3 inches\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eConnection Type\u003c\/strong\u003e: Spigot x Hub\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eService Type\u003c\/strong\u003e: DWV (Drain, Waste, Vent)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUNSPSC Code\u003c\/strong\u003e: 40172308\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: WESTLAKE PIPE FITTINGS\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eManufacturer Part Number\u003c\/strong\u003e: dwv-d107-422\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Westlake Pipe \u0026 Fittings","offers":[{"title":"Default Title","offer_id":51138638741810,"sku":"DWV-D107-422","price":16.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/305532645.jpg?v=1778260906","url":"https:\/\/voomisupply.com\/products\/westlake-dwv-d107-422-dwv-flush-bushing-4x3-in-pvc","provider":"Voomi Supply","version":"1.0","type":"link"}