---
product_id: 17125774
title: "Fernco P1056-415 4-Inch to 1-1/2-Inch Flexible Reducing Coupling With Clamp"
brand: "fernco"
price: "€ 35.54"
currency: EUR
in_stock: true
reviews_count: 11
category: "Fernco"
url: https://www.desertcart.sk/products/17125774-fernco-p1056-415-4-inch-to-1-1-2-inch
store_origin: SK
region: Slovakia
---

# 4" to 1.5" flexible reducer Leak-proof & rot-proof seal Proudly made in USA Fernco P1056-415 4-Inch to 1-1/2-Inch Flexible Reducing Coupling With Clamp

**Brand:** fernco
**Price:** € 35.54
**Availability:** ✅ In Stock

## Summary

> 🔩 Upgrade your plumbing game with the flexible coupling pros trust!

## Quick Answers

- **What is this?** Fernco P1056-415 4-Inch to 1-1/2-Inch Flexible Reducing Coupling With Clamp by fernco
- **How much does it cost?** € 35.54 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/17125774-fernco-p1056-415-4-inch-to-1-1-2-inch)

## 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

- • **Durable & Reliable Seal:** Engineered to be leak-proof and rot-proof, ensuring long-lasting performance without infiltration or exfiltration.
- • **Effortless Installation:** Flexible design and included clamp make pipe reduction quick and hassle-free, saving you time and stress.
- • **Universal Compatibility:** Seamlessly connects cast iron, plastic, copper, lead, and steel pipes for versatile plumbing solutions.
- • **Flexible Fit for DWV Systems:** Perfectly designed for non-pressure drain, waste, and vent piping both indoors and outdoors.
- • **Trusted American Craftsmanship:** Manufactured in the USA since 1964, combining innovation with quality you can count on.

## Overview

The Fernco P1056-415 is a high-quality, flexible reducing coupling that connects 4-inch to 1.5-inch pipes across multiple materials. Leak-proof, rot-proof, and designed for DWV systems, it offers a reliable, easy-to-install solution proudly made in the USA since 1964.

## Description

Product Description Fernco P1056-415 4-Inch to 1-1/2-Inch Flexible Reducing Coupling With Clamp From the Manufacturer Established in 1964, Fernco is a global leader in manufacturing high-quality flexible pipe couplings, drainage, and plumbing systems. Renowned for exceptional performance and reliability, Fernco products are trusted by homeowners and professionals alike. With a commitment to innovation and dependability, Fernco has earned a strong reputation for delivering superior solutions. As a proud USA manufacturer, Fernco is dedicated to maintaining the highest standards of production and engineering.

Review: Worked perfect - Made my life easy. It’s good quality and fit both the 4” and the1 1/2” pipes perfectly.
Review: Pipe Reducer. - The reducer worked great on PVC pipe and easy to install.

## Features

- Flexible Coupling Compatible with cast iron, plastic, copper, lead, and steel piping
- Flexible Connectors are Leak-Proof, Rot-Proof and Sealed Against Infiltration and Exfiltration
- May be used for non-pressure drain, waste, and vent (DWV) piping systems and sewer systems indoors and outdoors
- Proudly Made in USA

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B000I1AVCS |
| Batteries Included? | No |
| Batteries Required? | No |
| Best Sellers Rank | #30,701 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #777 in Pipe Fittings |
| Brand | Fernco |
| Color | Black |
| Connector Type | Reducer |
| Customer Reviews | 4.7 4.7 out of 5 stars (189) |
| Date First Available | September 14, 2004 |
| Exterior Finish | Black |
| Global Trade Identification Number | 00018578000094 |
| Included Components | Coupling CI, Plastic To CI, Plastic 4" x 1-1/2" |
| Item Package Quantity | 1 |
| Item Weight | 14.4 ounces |
| Item dimensions L x W x H | 4 x 4.4 x 4.4 inches |
| Item model number | P1056-415 |
| Manufacturer | Fernco |
| Material | Polyvinyl Chloride |
| Measurement System | English |
| Number of Pieces | 1 |
| Part Number | P1056-415 |
| Product Dimensions | 4 x 4.4 x 4.4 inches |
| Shape | Circular |
| Size | 4" x 1 1/2" |
| Thread Type | NPT |
| UPC | 018578000094 |
| Warranty Description | Warranty |

## Product Details

- **Brand:** Fernco
- **Color:** Black
- **Connector Type:** Reducer
- **Exterior Finish:** Black
- **Global Trade Identification Number:** 00018578000094
- **Item dimensions L x W x H:** 4 x 4.4 x 4.4 inches
- **Material:** Polyvinyl Chloride
- **Number of Pieces:** 1
- **Size:** 4" x 1 1/2"
- **Thread Type:** NPT

## Images

![Fernco P1056-415 4-Inch to 1-1/2-Inch Flexible Reducing Coupling With Clamp - Image 1](https://m.media-amazon.com/images/I/51LiNLtBTzL.jpg)
![Fernco P1056-415 4-Inch to 1-1/2-Inch Flexible Reducing Coupling With Clamp - Image 2](https://m.media-amazon.com/images/I/61mH5JL2DHL.jpg)
![Fernco P1056-415 4-Inch to 1-1/2-Inch Flexible Reducing Coupling With Clamp - Image 3](https://m.media-amazon.com/images/I/71zyRU-ST7L.jpg)

## Questions & Answers

**Q: Does it fit for sump pump discharge pipe with 1 1/2 inch inner diameter and close to 2 inch outside diameter**
A: yes

**Q: Will this fit 4” corrugated pipe?**
A: It's perfect for a 4" corrugated pipe. Since this item is hard rubber, it fits perfect, then it seals with a hose clamp. Excellent quality. Will last me a long time.

**Q: Can the Seller please confirm the height of this item from bottom to top is 5 inches ???**
A: Its 4 inches, from top to bottom.

**Q: is this a 4 inch to 1 1/2 coupling?**
A: Yes. It is a rubber coupling.  To tighten a 5/16 nut driver is used.  A common brand name of a manufacturer is Fernco.

## Customer Reviews

### ⭐⭐⭐⭐⭐ Worked perfect
*by R***H on September 23, 2025*

Made my life easy. It’s good quality and fit both the 4” and the1 1/2” pipes perfectly.

### ⭐⭐⭐⭐⭐ Pipe Reducer.
*by S***Y on October 22, 2025*

The reducer worked great on PVC pipe and easy to install.

### ⭐⭐⭐⭐⭐ Great service and great quality
*by B***R on November 28, 2025*

Item was exactly what I needed. Couldn’t find it at any local hardware store and ordered it and was delivered in under 24 hours.

## Frequently Bought Together

- Fernco P1056-415 4-Inch to 1-1/2-Inch Flexible Reducing Coupling With Clamp
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*Product available on Desertcart Slovakia*
*Store origin: SK*
*Last updated: 2026-01-28*