{"product_id":"nds-schedule-40-3-1-2-in-hub-in-pvc-3-75-in-downspout-adapter","title":"NDS Schedule 40 3-1\/2 in. Hub in. PVC 3.75 in. Downspout Adapter","description":"\u003cdiv\u003e\n\u003ch2\u003eNDS Schedule 40 3-1\/2 in Hub to 3.75 in Downspout Adapter\u003c\/h2\u003e\n\u003cp\u003eTurn rainwater runoff into a reliable, buried drainage pathway with this NDS PVC Schedule 40 downspout adapter. engineered for DWV applications, it provides a precise, leak-resistant transition from a 3-1\/2 inch hub to a 3.75 inch downspout, making underground drainage projects cleaner and more durable.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eMaterial and construction\u003c\/strong\u003e: Schedule 40 PVC delivers rigid, weather-resistant performance suitable for outdoor and underground use.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eUnderground rated\u003c\/strong\u003e: Built to withstand burial conditions, enabling secure in-ground connections without compromise.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eConnector specifics\u003c\/strong\u003e: End 1 diameter 3-1\/2 inches with a hub configuration to match standard piping, paired with a 3.75 inch downspout transition for a streamlined install.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eSpecifications at a glance\u003c\/strong\u003e: Length 3.75 inches; Maximum Pressure 5; Application: DWV; Brand: NDS; Lead Content: Lead-Free.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eCertifications and listings\u003c\/strong\u003e: IAPMO Certified: No; NSF Listed: No; Packaging: Carded; Number in Package: 1.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWhy this adapter stands out\u003c\/h3\u003e\n\u003cp\u003eUnlike generic fittings, this NDS adapter is purpose-built for underground drainage transitions, delivering a smooth interior surface that minimizes flow resistance and reduces blockage risk. The Schedule 40 PVC design aligns with standard piping systems, ensuring compatibility with other components in your drainage layout. Its 3-1\/2 inch hub-to-3.75 inch downspout configuration is ideal for projects where a secure, buried connection is required without compromising water management performance.\u003c\/p\u003e \u003ch3\u003eIdeal use cases\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eConnecting a 3-1\/2 inch hub inlet to a larger 3.75 inch downspout in buried drainage paths.\u003c\/li\u003e \u003cli\u003eDWV installations where a durable, underground-rated adapter is needed to route water away from foundations and landscaping.\u003c\/li\u003e \u003cli\u003eResidential and light commercial drainage projects that require a reliable, lead-free transition piece.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003ePractical installation tips\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eDry-fit first to confirm alignment between the hub piping and the 3.75 inch downspout before applying cement.\u003c\/li\u003e \u003cli\u003eUse PVC solvent cement rated for Schedule 40 PVC to ensure a tight, long-lasting bond.\u003c\/li\u003e \u003cli\u003ePrepare the underground trench per local codes, backfill with suitable material, and compact to prevent movement that could loosen the connection.\u003c\/li\u003e \u003cli\u003eInspect for any gaps or misalignment after curing, then test with a small water flow to verify a leak-free seal.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Nds","offers":[{"title":"Default Title","offer_id":52201783001362,"sku":"4020596","price":7.59,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0928\/1024\/8466\/files\/4020596_A.eps_High.jpg?v=1776380290","url":"https:\/\/nationalhardwaregroup.com\/products\/nds-schedule-40-3-1-2-in-hub-in-pvc-3-75-in-downspout-adapter","provider":"National Hardware Group","version":"1.0","type":"link"}