---
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: "€ 66.47"
currency: EUR
in_stock: true
url: https://www.desertcart.sk/products/281660328-fernco-1056-66-6-in-flexible-pvc-pipe-coupling-cast
store_origin: SK
region: Slovakia
---

# Fits 6.3"–6.8" pipe OD Chemical & sewer gas resistant 50-year durability Fernco 1056-66 6-in. Flexible PVC Pipe Coupling for Cast Iron/Plastic/Steel Plumbing Connections in Black

**Brand:** fernco
**Price:** € 66.47
**Availability:** ✅ In Stock

## Summary

> 🔧 Connect with Confidence — 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?** € 66.47 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.sk](https://www.desertcart.sk/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

- • **Built to Last a Lifetime:** Engineered for a 50-year service life with premium elastomeric PVC for unmatched durability.
- • **Universal Pipe Compatibility:** Seamlessly connects cast iron, plastic, steel, copper, and more for versatile plumbing solutions.
- • **Trusted American Craftsmanship:** Proudly made in the USA for over 60 years, the go-to choice for professional-grade plumbing.
- • **Effortless, No-Mess Installation:** Forget primers and glues—install quickly with corrosion-resistant stainless steel clamps.
- • **Leak-Proof & Root-Resistant Seal:** Maintains watertight integrity under 4.3 PSI and up to 140°F, ensuring long-term reliability.

## Overview

The Fernco 1056-66 is a 6-inch flexible PVC pipe coupling designed for professional-grade plumbing connections. It fits pipe outer diameters from 6.3" to 6.8" and connects a wide range of materials including cast iron, plastic, steel, and copper. Built with elastomeric PVC and 300-grade stainless steel clamps, it offers a leak-proof, chemical-resistant, and root-proof seal rated for 4.3 PSI and 140°F. Easy to install without messy adhesives, this coupling is backed by over 60 years of American manufacturing excellence, ensuring unmatched durability and performance for sewer, drain, and vent piping systems.

## 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.

## 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 |
|---------------|-------|
| Manufacturer | Fernco Inc. |
| Part number | P1056-66 |
| Item Weight | 1.03 Kilograms |
| Product Dimensions | 23.55 x 23.55 x 15.21 cm; 1.03 kg |
| Item model number | P1056-66 |
| Size | 6" x 6" |
| Color | Black |
| Material | Polyvinyl Chloride |
| Shape | cylinder |
| Item Package Quantity | 1 |
| Number Of Pieces | 1 |
| Measurement System | inch |
| Included components | P1056-66 Coupler Adapter |
| Batteries Included? | No |
| Batteries Required? | No |

## Product Details

- **Size:** 6" x 6"
- **Material:** Polyvinyl Chloride
- **Brand:** Fernco
- **Colour:** Black
- **Item dimensions L x W x H:** 23.5 x 23.5 x 15.2 centimeters

## 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.

## 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

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**Shop now:** [https://www.desertcart.sk/products/281660328-fernco-1056-66-6-in-flexible-pvc-pipe-coupling-cast](https://www.desertcart.sk/products/281660328-fernco-1056-66-6-in-flexible-pvc-pipe-coupling-cast)

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*Product available on Desertcart Slovakia*
*Store origin: SK*
*Last updated: 2026-03-13*