--- product_id: 489477046 title: "1056-43W Reducing 4 x 3 Inch Flexible Pipe Coupling Plumbing Plastic PVC ABS, Cast Iron, Lead in White" brand: "fernco" price: "฿3164" currency: THB in_stock: true category: "Fernco" url: https://www.desertcart.co.th/products/489477046-1056-43w-reducing-4-x-3-inch-flexible-pipe-coupling store_origin: TH region: Thailand --- # Quick, no-glue flexible fit 4-to-3 inch pipe reducer Corrosion-resistant stainless clamps 1056-43W Reducing 4 x 3 Inch Flexible Pipe Coupling Plumbing Plastic PVC ABS, Cast Iron, Lead in White **Brand:** fernco **Price:** ฿3164 **Availability:** ✅ In Stock ## Summary > 🔩 Upgrade your plumbing game with the pro’s flexible coupling—connect smarter, faster, leak-free! ## Quick Answers - **What is this?** 1056-43W Reducing 4 x 3 Inch Flexible Pipe Coupling Plumbing Plastic PVC ABS, Cast Iron, Lead in White by fernco - **How much does it cost?** ฿3164 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.co.th](https://www.desertcart.co.th/products/489477046-1056-43w-reducing-4-x-3-inch-flexible-pipe-coupling) ## Best For - fernco enthusiasts ## Why This Product - Trusted fernco brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Trusted Pro Standard:** Over 50 years of USA-made quality, the go-to choice for plumbing pros worldwide. - • **Tool-Ready Installation:** Slide on, clamp tight with screwdriver or wrench—no primer, no mess, no fuss. - • **Code-Compliant Confidence:** ASTM, CSA & UPC approved with rustproof 300 stainless steel clamps for lasting security. - • **Durability Meets Performance:** Tough elastomeric PVC resists chemicals, sewer gases & ensures leak-proof reliability. - • **Seamless Multi-Material Connection:** Effortlessly links PVC, ABS, cast iron, copper & more for versatile plumbing solutions. ## Overview The Fernco 1056-43W is a white flexible pipe coupling reducer that connects 4-inch to 3-inch pipes across multiple materials including PVC, ABS, cast iron, copper, steel, and lead. Featuring corrosion-resistant 300 stainless steel clamps and made from durable elastomeric PVC, it offers a quick, no-glue installation with a watertight seal. Proudly manufactured in the USA for over 50 years, it meets ASTM, CSA, and UPC standards, making it the trusted choice for professional plumbing and sewer applications. ## Description Choose what the Pros use and make your next vent, waste or drain pipe project a breeze with the New White Fernco 1056-43W flexible coupling. Reduce from 4-inch to 3-inch plastic (PVC, CPVC, abs, smooth wall HDPE), cast iron, copper, steel or lead pipes together in little-to-no-time. Simply slide the coupling on and torque down the bands for a leak-proof water seal connection. Whether you're adding a new laundry sink, removing rusted out cast iron pipe with PVC or adding a new bathroom, Fernco flexible pipe coupling couplers make plumbing projects a breeze. Before you grab the primer and glue - be sure and look for the right Fernco flexible coupling. The new 1056 series in white provides a uniform look to PVC or can be easy to find with cast iron or abs connections. Proudly Manufactured in the USA for over 50 years; Fernco has earned the reputation as the worldwide leader in flexible plumbing couplings based on their consistent and reliable performance. About Fernco Flexible Couplings have found wide acceptance among sewer and plumbing contractors and municipalities because of their quality and ease of installation. Fernco pipe couplings and adapters are used for all types of in-house and sewer connections: drain, waste, vent piping, house-to-main, repairs, cut- ins, conductor, roof drains and increasers-reducers. Manufacturing thousands of different flexible coupling types, Fernco has the right solution for most applications. ## Features - CONNECT VARIOUS PIPE TYPES: The New Fernco 1056-43W white coupling reducer connects 4-inch to 3-inch Plastic (PVC, ABS, CPVC, Smooth Wall HDPE), Cast Iron, Copper, Steel or Lead Pipe for a watertight joint. For sewer and drain, waste and vent piping. - FLEXIBLE FIT + NO MESS: Fernco Couplings are easy to install by simply sliding over each pipe and clamped into place. You also won't have to worry about the mess or hassle of primer and glues and their unwanted odors. - UNMATCHED QUALITY & PERFORMANCE: The dimensional flexibility of Fernco couplings ensure a leak-proof seal against infiltration and exfiltration. Made of tough elastomeric polyvinyl chloride, Fernco flexible couplings are strong, long-lasting and are resistant to chemicals, and sewer gases. - THE PLUMBER'S CHOICE: Proudly Manufactured in the USA for over 50 years; Fernco has earned the reputation as the worldwide leader in flexible plumbing couplings based on their consistent and reliable performance. - SPECS & CODES: Conforms to ASTM D 5926, C 1173 CSA B602 and UPC Approved. 300 stainless steel clamps are corrosion-resistant, rustproof and make installing quick and easy with just a screwdriver, nut driver or torque wrench. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B091G4767Y | | ASIN | B091G4767Y | | Brand Name | Fernco | | Color | White | | Connector Type | Reducer | | Customer Reviews | 4.6 4.6 out of 5 stars (80) | | Customer reviews | 4.6 4.6 out of 5 stars (80) | | Date First Available | 12 November 2022 | | Exterior Finish | Abs,Copper,Plastic,Stainless Steel,Steel | | Item Dimensions | 10.9 x 13.1 x 10.2 centimeters | | Item Weight | 45 g | | Item model number | 1056-43W | | Manufacturer | Fernco | | Manufacturer | Fernco | | Manufacturer Part Number | 1056-43W | | Material Type | Polyvinyl Chloride | | Model Number | 1056-43W | | Number of Packs | 1 | | Number of Pieces | 1 | | Product Dimensions | 10.95 x 13.13 x 10.24 cm; 45.36 g | | Size | 4 x 3 Inch | | Thread Size | 3 inch | | Thread Type | Metric Tapered | | UPC | 759992765403 | | Unit Count | 1 Count | ## Product Details - **Brand:** Fernco - **Colour:** White - **Item dimensions L x W x H:** 10.9 x 13.1 x 10.2 centimeters - **Material:** Polyvinyl Chloride - **Size:** 4 x 3 Inch ## Images ![1056-43W Reducing 4 x 3 Inch Flexible Pipe Coupling Plumbing Plastic PVC ABS, Cast Iron, Lead in White - Image 1](https://m.media-amazon.com/images/I/51LK6YZUdwL.jpg) --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.co.th/products/489477046-1056-43w-reducing-4-x-3-inch-flexible-pipe-coupling](https://www.desertcart.co.th/products/489477046-1056-43w-reducing-4-x-3-inch-flexible-pipe-coupling) --- *Product available on Desertcart Thailand* *Store origin: TH* *Last updated: 2026-10-21*