{"product_id":"pvc-eccentric-reducer-plumbing-fittings","title":"Eccentric Reducer PVC Eccentric Reducer Direct Plumbing Fittings 25*20mm-63*50mm","description":"\u003cdiv class=\"hdiy-desc\"\u003e\n\u003cdiv class=\"hdiy-overview\"\u003e\n\u003ch2\u003ePVC Eccentric Reducer Fittings — Precision Offset Bore for Controlled Drain Slope\u003c\/h2\u003e\n\u003cp\u003eWhen a standard concentric reducer causes pooling or air locks in horizontal pipe runs, plumbers, irrigation installers, and DIY homeowners need an eccentric reducer that keeps the pipe bottom flat while stepping down the bore. These PVC eccentric reducer fittings deliver exactly that — an offset bore geometry that maintains a consistent invert level, preventing liquid buildup and ensuring reliable flow direction in gravity-fed systems.\u003c\/p\u003e\n\u003cp\u003eEach fitting is machined from rigid PVC (polyvinyl chloride), offering a lightweight yet structurally sound connection. The offset bore is positioned so the flat side aligns flush with the bottom of the pipe run. Available in 14 size combinations spanning 25*20mm (~1\"×¾\") through 63*50mm (~2½\"×2\"), these reducers cover the most common residential and light-commercial pipe diameters. Wall thickness varies by size, typically 2.0–3.5mm, consistent with Schedule 40 equivalent PVC standards.\u003c\/p\u003e\n\u003cp\u003eTypical applications include horizontal drain lines where slope must be maintained without lifting the pipe centerline, drip irrigation manifold transitions stepping down from a 63mm main to 32mm or 25mm laterals, and compact plumbing riser assemblies in tight enclosures where an eccentric offset prevents interference with adjacent fittings. Long-tail use cases: PVC eccentric reducer for drain slope control, offset bore pipe reducer for irrigation manifold, schedule 40 PVC reducer fitting for horizontal runs.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"hdiy-compat\"\u003e\n\u003cspan class=\"hdiy-compat-icon\"\u003e🔗\u003c\/span\u003e Compatible with standard PVC pressure and drain pipe in matching nominal diameters. Verify pipe OD against fitting socket ID before ordering. Suitable for solvent-cement (PVC glue) joining method.\u003c\/div\u003e\n\u003cdiv class=\"hdiy-features\"\u003e\n\u003ch2\u003e✅ Key Features of These PVC Eccentric Reducer Fittings\u003c\/h2\u003e\n\u003cul class=\"hdiy-list\"\u003e\n\u003cli\u003e\n\u003cspan class=\"hdiy-icon\"\u003e📐\u003c\/span\u003e\u003cstrong\u003eOffset Bore Design\u003c\/strong\u003e — Flat-bottom alignment keeps the pipe invert level consistent across the reduction, eliminating the low-point pooling common with concentric reducers in horizontal runs.\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan class=\"hdiy-icon\"\u003e🔩\u003c\/span\u003e\u003cstrong\u003e14 Size Combinations\u003c\/strong\u003e — From 25*20mm to 63*50mm, covering the most-used residential and light-commercial pipe diameter transitions in a single product family.\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan class=\"hdiy-icon\"\u003e🛡️\u003c\/span\u003e\u003cstrong\u003eRigid PVC Construction\u003c\/strong\u003e — Corrosion-resistant, non-reactive with most household chemicals, and rated for continuous use in both cold-water pressure lines and gravity drain systems.\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan class=\"hdiy-icon\"\u003e⚖️\u003c\/span\u003e\u003cstrong\u003eLightweight \u0026amp; Easy to Handle\u003c\/strong\u003e — PVC's low density makes one-person installation straightforward, reducing labor time on multi-fitting manifold assemblies.\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan class=\"hdiy-icon\"\u003e🔧\u003c\/span\u003e\u003cstrong\u003eSolvent-Cement Ready\u003c\/strong\u003e — Socket ends are machined to standard PVC tolerances for a reliable solvent-weld bond; no special tools or adapters required beyond standard PVC primer and cement.\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan class=\"hdiy-icon\"\u003e📦\u003c\/span\u003e\u003cstrong\u003eSold Individually or in Sets\u003c\/strong\u003e — Order the exact quantity you need per size; no forced bundle minimums, reducing waste on small repair or prototype jobs.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"hdiy-table-wrap\"\u003e\n\u003ch2\u003e📐 Technical Specifications — PVC Eccentric Reducer Fittings\u003c\/h2\u003e\n\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eMaterial\u003c\/th\u003e\n\u003ctd\u003eRigid PVC (Polyvinyl Chloride)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSize Range (I.D.)\u003c\/th\u003e\n\u003ctd\u003e25*20mm (~1\"×¾\") to 63*50mm (~2½\"×2\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eAvailable Sizes\u003c\/th\u003e\n\u003ctd\u003e25*20, 32*20, 32*25, 40*20, 40*25, 40*32, 50*20, 50*25, 50*32, 50*40, 63*25, 63*32, 63*40, 63*50mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eBore Type\u003c\/th\u003e\n\u003ctd\u003eEccentric (offset flat-bottom)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eWall Thickness\u003c\/th\u003e\n\u003ctd\u003eSee variant options\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eConnection Method\u003c\/th\u003e\n\u003ctd\u003eSolvent cement (PVC glue) socket\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eColor\u003c\/th\u003e\n\u003ctd\u003eSee variant options\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003ePressure Rating\u003c\/th\u003e\n\u003ctd\u003eSee variant options\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eTemperature Range\u003c\/th\u003e\n\u003ctd\u003e0°C to 60°C (32°F to 140°F) typical for rigid PVC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eQuantity per Order\u003c\/th\u003e\n\u003ctd\u003e1 pcs (per variant)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"hdiy-faq\"\u003e\n\u003ch2\u003e❓ Frequently Asked Questions\u003c\/h2\u003e\n\u003cdetails\u003e\u003csummary\u003eWhat is the difference between an eccentric and a concentric reducer?\u003c\/summary\u003e\u003cdiv class=\"hdiy-faq-body\"\u003e\u003cp\u003eA concentric reducer has both pipe ends centered on the same axis, creating a symmetrical taper. An eccentric reducer offsets one end so that one side (typically the bottom) remains flat. This flat-bottom alignment is essential in horizontal pipe runs to maintain a consistent invert level and prevent air pockets or liquid pooling at the transition point.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\u003cdetails\u003e\u003csummary\u003eHow do I choose the correct size for my pipe run?\u003c\/summary\u003e\u003cdiv class=\"hdiy-faq-body\"\u003e\u003cp\u003eMatch the larger socket (first number) to your existing main pipe's outer diameter and the smaller socket (second number) to the branch or reduced pipe's outer diameter. For example, if your main line is 50mm OD pipe stepping down to 32mm OD pipe, select the 50*32mm variant. Always verify the actual pipe OD with calipers before ordering, as nominal sizes can vary slightly by pipe schedule.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\u003cdetails\u003e\u003csummary\u003eCan these fittings be used for both pressure lines and drain lines?\u003c\/summary\u003e\u003cdiv class=\"hdiy-faq-body\"\u003e\u003cp\u003eYes. Rigid PVC is suitable for both cold-water pressure applications and gravity drain\/waste systems. For pressure applications, confirm the fitting's pressure rating matches your system's working pressure. For drain use, the eccentric offset is particularly valuable in maintaining the required slope without repositioning the pipe centerline.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\u003cdetails\u003e\u003csummary\u003eAre these fittings corrosion-resistant and safe for outdoor use?\u003c\/summary\u003e\u003cdiv class=\"hdiy-faq-body\"\u003e\u003cp\u003ePVC is inherently corrosion-resistant and non-reactive with most household chemicals, fertilizers, and irrigation water. For prolonged outdoor UV exposure, consider painting or wrapping the fitting, as extended direct sunlight can cause surface degradation over time. In buried or shaded installations, no additional protection is typically needed.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\u003cdetails\u003e\u003csummary\u003eWhat adhesive or joining method should I use?\u003c\/summary\u003e\u003cdiv class=\"hdiy-faq-body\"\u003e\u003cp\u003eThese fittings are designed for standard PVC solvent cement joining. Apply PVC primer to both the pipe end and fitting socket, then apply PVC cement and push the pipe firmly into the socket with a slight twist. Hold for 30 seconds and allow the joint to cure per the cement manufacturer's instructions before pressurizing the line.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\u003cdetails\u003e\u003csummary\u003eCan I use these reducers with CPVC or ABS pipe?\u003c\/summary\u003e\u003cdiv class=\"hdiy-faq-body\"\u003e\u003cp\u003eThese fittings are manufactured from rigid PVC and are intended for use with PVC pipe. CPVC and ABS pipes have different OD tolerances and require their own compatible fittings and adhesives. Using PVC fittings with CPVC or ABS pipe may result in poor joint integrity. Contact us to confirm compatibility if you have a mixed-material system.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\u003cdetails\u003e\u003csummary\u003eIs the flat side always on the bottom, or can I orient it differently?\u003c\/summary\u003e\u003cdiv class=\"hdiy-faq-body\"\u003e\u003cp\u003eThe eccentric offset can be oriented in any direction depending on your installation need. In horizontal drain runs, the flat side is conventionally placed at the bottom to maintain invert level. In vertical or angled runs, you can rotate the fitting to suit your layout. The key is consistency — choose an orientation and maintain it throughout the run for predictable flow behavior.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"hdiy-cta\"\u003e\u003cp\u003e🛒 Select your Size I.D above, then add to cart.\u003c\/p\u003e\u003c\/div\u003e\n\u003c\/div\u003e","brand":"HomeDIYer","offers":[{"title":"50*40mm \/ 1 pcs","offer_id":52331984421138,"sku":"GYZSYBSGD00590x1","price":4.47,"currency_code":"USD","in_stock":true},{"title":"50*25mm \/ 1 pcs","offer_id":52331984453906,"sku":"GYZSYBSGD00592x1","price":4.69,"currency_code":"USD","in_stock":true},{"title":"63*32mm \/ 1 pcs","offer_id":52331984486674,"sku":"GYZSYBSGD00595x1","price":6.92,"currency_code":"USD","in_stock":true},{"title":"32*20mm \/ 1 pcs","offer_id":52331984519442,"sku":"GYZSYBSGD00596x1","price":2.65,"currency_code":"USD","in_stock":true},{"title":"40*32mm \/ 1 pcs","offer_id":52331984552210,"sku":"GYZSYBSGD00598x1","price":3.2,"currency_code":"USD","in_stock":true},{"title":"63*50mm \/ 1 pcs","offer_id":52331984584978,"sku":"GYZSYBSGD00600x1","price":8.64,"currency_code":"USD","in_stock":true},{"title":"40*20mm \/ 1 pcs","offer_id":52331984617746,"sku":"GYZSYBSGD00601x1","price":3.33,"currency_code":"USD","in_stock":true},{"title":"50*32mm \/ 1 pcs","offer_id":52331984650514,"sku":"GYZSYBSGD00602x1","price":5.37,"currency_code":"USD","in_stock":true},{"title":"50*20mm \/ 1 pcs","offer_id":52331984683282,"sku":"GYZSYBSGD00603x1","price":4.61,"currency_code":"USD","in_stock":true},{"title":"63*25mm \/ 1 pcs","offer_id":52331984716050,"sku":"GYZSYBSGD00604x1","price":7.0,"currency_code":"USD","in_stock":true},{"title":"25*20mm \/ 1 pcs","offer_id":52331984748818,"sku":"GYZSYBSGD00605x1","price":2.52,"currency_code":"USD","in_stock":true},{"title":"63*40mm \/ 1 pcs","offer_id":52331984781586,"sku":"GYZSYBSGD00606x1","price":7.87,"currency_code":"USD","in_stock":true},{"title":"40*25mm \/ 1 pcs","offer_id":52331984814354,"sku":"GYZSYBSGD00607x1","price":3.33,"currency_code":"USD","in_stock":true},{"title":"32*25mm \/ 1 pcs","offer_id":52331984847122,"sku":"GYZSYBSGD00609x1","price":2.65,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0884\/8936\/1682\/files\/Main-01_66e16dd7-fa32-44ae-ae39-2113132d8036.jpg?v=1782106040","url":"https:\/\/homediyer.com\/products\/pvc-eccentric-reducer-plumbing-fittings","provider":"HomeDIYer","version":"1.0","type":"link"}