--- product_id: 281660328 title: "Fernco 1056-66 6-in. Flexible PVC Pipe Coupling for Cast Iron/Plastic/Steel Plumbing Connections in Black" brand: "fernco" price: "6595 kr" currency: ISK in_stock: true reviews_count: 5 category: "Fernco" url: https://www.desertcart.is/products/281660328-fernco-1056-66-6-in-flexible-pvc-pipe-coupling-cast store_origin: IS region: Iceland --- # 300-grade stainless steel clamps 140Β°F max operating temp 50-year durability Fernco 1056-66 6-in. Flexible PVC Pipe Coupling for Cast Iron/Plastic/Steel Plumbing Connections in Black **Brand:** fernco **Price:** 6595 kr **Availability:** βœ… In Stock ## Summary > πŸ”§ Connect with Confidence β€” The Last Coupling You'll Ever Need! ## Quick Answers - **What is this?** Fernco 1056-66 6-in. Flexible PVC Pipe Coupling for Cast Iron/Plastic/Steel Plumbing Connections in Black by fernco - **How much does it cost?** 6595 kr with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.is](https://www.desertcart.is/products/281660328-fernco-1056-66-6-in-flexible-pvc-pipe-coupling-cast) ## 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 - β€’ **Built to Last a Lifetime:** Engineered for a 50-year leak-proof service life with premium elastomeric PVC. - β€’ **Trusted Industry Standard:** UPC & ASTM certified with corrosion-resistant stainless steel bands for lasting reliability. - β€’ **Universal Pipe Compatibility:** Seamlessly connects cast iron, plastic, steel, copper & more for ultimate versatility. - β€’ **Precision Fit for Perfect Seals:** Fits pipe ODs from 6.3" to 6.8" ensuring watertight, root-proof connections. - β€’ **Effortless, No-Mess Installation:** Forget glues and primersβ€”install quickly with corrosion-resistant clamps. ## Overview The Fernco 1056-66 is a professional-grade 6-inch flexible PVC pipe coupling designed for seamless, leak-proof connections between cast iron, plastic, steel, and copper pipes. Featuring elastomeric PVC construction and 300-grade stainless steel clamps, it offers unmatched durability, chemical resistance, and easy installation without messy adhesives. Certified to ASTM and UPC standards, it supports pipe diameters from 6.3" to 6.8", withstands up to 140Β°F, and promises a 50-year service life, making it the go-to choice for reliable plumbing and sewer applications. ## Description Introducing the Fernco P1056-66 a robust 6" X 6" coupling connector designed to seamlessly integrate Cast Iron, Plastic (Sch-40, SDR-35, ABS), Steel, and Copper pipes in sewer, drain, and plumbing systems. Engineered with precision, this adapter effortlessly accommodates 6" pipes or those with outer diameters ranging from 6.3"-6.8", ensuring versatility across various applications. Crafted with meticulous attention to quality, Fernco couplings feature elastomeric polyvinyl chloride construction and 300-grade stainless steel bands, providing a leak-proof fitting resistant to chemicals and sewer gases. Trusted by industry professionals and homeowners, Fernco couplings establish enduring, watertight seals for sewer and drain connections without the need for cumbersome glues or primers. Suitable for seamless integration in both vertical and horizontal installations. With a maximum test pressure of 4.3 PSI and an intermittent operating temperature of 140 degrees F, these couplings offer unrivaled leak-proof, root-proof, and chemical-resistant attributes, ensuring unmatched reliability and longevity for your waterworks and plumbing requirements. Proudly manufactured in the United States for over 60 years, Fernco stands as the premier choice for dependable solutions in plumbing fittings. With a maximum test pressure of 4.3 PSI and an intermittent operating temperature of 140 degrees F, these couplings offer unrivaled leak-proof, root-proof, and chemical-resistant attributes, ensuring unmatched reliability and longevity for your waterworks and plumbing requirements. Proudly manufactured in the United States for over 60 years, Fernco stands as the premier choice for dependable solutions in plumbing fittings. Review: inner diameter is actually 6.5 inches. the clamps do a decent job at wrapping two 6 inch pipes together tho. Review: Has lots of stretch for odd sized pipes. Real thick and sturdy. The hose clamps do their job well. So easy to put on that even a house husband can install it. Decent amount of flex for misaligned pipes. ## Features - UNMATCHED QUALITY & PERFORMANCE: Built for a 50-year service life, Fernco couplings are made from elastomeric polyvinyl chloride for a strong, leak-proof fitting that's resistant to chemicals and sewer gases. - FLEXIBLE FIT: To choose the right coupling, measure the outside diameter (OD) of your pipe. This coupling has an internal diameter (ID) of 6.59"and fits pipe ODs between 6.30" - 6.80". - CONNECT VARIOUS PIPE TYPES: The Fernco 1056-66 coupling connects 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. - NO-MESS INSTALLATION: Fernco couplings are easy to install without the hassle of messy primers, glues and their unwanted odors. - 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 | B001AU6S8C | | ASIN | B001AU6S8C | | Best Sellers Rank | #200,748 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #2,038 in Industrial Pipe Fittings | | Brand Name | Fernco | | Color | Black | | Connector Type | Coupling | | Country of Publication | China | | Country of origin | China | | Customer Reviews | 4.6 4.6 out of 5 stars (169) | | Customer reviews | 4.6 4.6 out of 5 stars (169) | | Date First Available | 6 August 2012 | | Department | Unisex-Adult | | Exterior Finish | Stainless Steel | | Global Trade Identification Number | 00018578000148 | | Included Components | P1056-66 Coupler Adapter | | Item Dimensions | 18.5 x 18.5 x 14.7 centimeters | | Item Type Name | Cast Iron, Plastic and Steel Pipe Flexible Coupling Connector Sewer and Drain Coupler Adapter | | Item Weight | 2.28 Pounds | | Item model number | P1056-66 | | Manufacturer | Fernco Inc. | | Manufacturer | Fernco Inc. | | Material Type | Polyvinyl Chloride | | Model Number | P1056-66 | | Number of Pieces | 1 | | Product Dimensions | 18.54 x 18.54 x 14.68 cm; 1.03 kg | | Size | 6" x 6" | | Thread Size | 6.8 inches | | Thread Type | NPT | | UPC | 018578000148 | | Unit Count | 1 Count | ## Product Details - **Brand:** Fernco - **Colour:** Black - **Item dimensions L x W x H:** 18.5 x 18.5 x 14.7 centimeters - **Material:** Polyvinyl Chloride - **Size:** 6" x 6" ## Images ![Fernco 1056-66 6-in. Flexible PVC Pipe Coupling for Cast Iron/Plastic/Steel Plumbing Connections in Black - Image 1](https://m.media-amazon.com/images/I/51IloNyJ6-L.jpg) ## Available Options This product comes in different **Size** options. ## Questions & Answers **Q: What outside diameter pipe will these work on?** A: There for 6" pipe not sure if that's the inside diameter or outside. The are flexible can stretch a little. **Q: Can you tell me what the inside diameter is?** A: Just under 6 inches. They are designed to fit 6 inch diameter PVC or iron. ## Customer Reviews ### ⭐⭐⭐⭐ Review *by A***R on 12 May 2024* inner diameter is actually 6.5 inches. the clamps do a decent job at wrapping two 6 inch pipes together tho. ### ⭐⭐⭐⭐⭐ Review *by C***A on 19 January 2025* Has lots of stretch for odd sized pipes. Real thick and sturdy. The hose clamps do their job well. So easy to put on that even a house husband can install it. Decent amount of flex for misaligned pipes. ### ⭐⭐⭐⭐⭐ Review *by D***D on 28 February 2026* Pretty basic. Quality rubber. ## Frequently Bought Together - Fernco 1056-66 6-in. Flexible PVC Pipe Coupling for Cast Iron/Plastic/Steel Plumbing Connections in Black - Fernco 1056-64 6" x 4" Flexible Pipe Coupling (Connects Cast Iron, PVC, Steel or Lead) - Fernco P1056-44 Flexible PVC Pipe Coupling for Cast Iron, Plastic or Steel to Cast Iron, Plastic or Steel Connections --- ## Why Shop on Desertcart? - πŸ›’ **Trusted by 1.3+ Million Shoppers** β€” Serving international shoppers since 2016 - 🌍 **Shop Globally** β€” Access 737+ million products across 21 categories - πŸ’° **No Hidden Fees** β€” All customs, duties, and taxes included in the price - πŸ”„ **15-Day Free Returns** β€” Hassle-free returns (30 days for PRO members) - πŸ”’ **Secure Payments** β€” Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** β€” Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.is/products/281660328-fernco-1056-66-6-in-flexible-pvc-pipe-coupling-cast](https://www.desertcart.is/products/281660328-fernco-1056-66-6-in-flexible-pvc-pipe-coupling-cast) --- *Product available on Desertcart Iceland* *Store origin: IS* *Last updated: 2026-04-27*