---
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: "AR$108955"
currency: ARS
in_stock: true
category: "Fernco"
url: https://www.desertcart.com.ar/products/281660328-fernco-1056-66-6-in-flexible-pvc-pipe-coupling-cast
store_origin: AR
region: Argentina
---

# 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:** AR$108955
**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?** AR$108955 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.com.ar](https://www.desertcart.com.ar/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

- • **Effortless Installation:** No primers or glues needed—install quickly with corrosion-resistant stainless steel clamps.
- • **Universal Compatibility:** Seamlessly connects cast iron, plastic, steel, copper, and lead pipes for versatile plumbing solutions.
- • **Built to Last a Lifetime:** Engineered for a 50-year service life with premium elastomeric PVC for unmatched durability.
- • **Trusted Industry Standard:** Meets ASTM, CSA, and UPC codes, ensuring professional-grade reliability and peace of mind.
- • **Leak-Proof & Chemical Resistant:** Designed to withstand sewer gases, chemicals, and root intrusion for worry-free performance.

## Overview

The Fernco 1056-66 is a 6-inch flexible PVC pipe coupling designed for professional-grade plumbing connections across cast iron, plastic, steel, and copper pipes. Built to last 50 years, it features elastomeric PVC construction and 300-grade stainless steel clamps for a leak-proof, chemical-resistant seal without messy adhesives. Compatible with pipe outer diameters from 6.3" to 6.8", it meets ASTM, CSA, and UPC standards, making it the go-to choice for durable, versatile, and easy-to-install sewer and drain connections.

## 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 |
|---------------|-------|
| ASIN | B001AU6S8C |
| ASIN  | B001AU6S8C |
| Best Sellers Rank | #139,269 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #1,144 in Industrial Pipe Fittings |
| Brand Name | Fernco |
| Color | Black |
| Connector Type | Coupling |
| Customer Reviews | 4.5 4.5 out of 5 stars (177) |
| Customer reviews | 4.5 4.5 out of 5 stars (177) |
| 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 | 18.4 x 19.1 x 14.6 centimeters |
| Item Type Name | Cast Iron, Plastic and Steel Pipe Flexible Coupling Connector Sewer and Drain Coupler Adapter |
| Item Weight | 2 Pounds |
| Item model number  | P1056-66 |
| Manufacturer | Fernco Inc. |
| Manufacturer  | Fernco Inc. |
| Manufacturer Part Number | P1056-66 |
| Material Type | Polyvinyl Chloride |
| Model Number | P1056-66 |
| Number of Pieces | 1 |
| Product Dimensions  | 18.42 x 19.05 x 14.61 cm; 907.18 g |
| 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:** 18.4 x 19.1 x 14.6 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.

## 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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*Product available on Desertcart Argentina*
*Store origin: AR*
*Last updated: 2026-10-07*