---
product_id: 142157493
title: "NDS 3P12 PVC Increaser/Reducer Adapter, 3-Inch X 4-Inch, for DWV/SCH40 Hub X S&D Hub Solvent-Weld Connections, for Use with 3-Inch DWV/SCH40 and 4-Inch Sewer and Drain Pipes, White"
brand: "nds"
price: "VT6912"
currency: VUV
in_stock: true
url: https://www.desertcart.vu/products/142157493-nds-3p12-pvc-increaser-reducer-adapter-3-inch-x-4
store_origin: VU
region: Vanuatu
---

# Watertight seal ASTM compliant 3" to 4" connection NDS 3P12 PVC Increaser/Reducer Adapter, 3-Inch X 4-Inch, for DWV/SCH40 Hub X S&D Hub Solvent-Weld Connections, for Use with 3-Inch DWV/SCH40 and 4-Inch Sewer and Drain Pipes, White

**Brand:** nds
**Price:** VT6912
**Availability:** ✅ In Stock

## Summary

> 🚰 Connect with Confidence!

## Quick Answers

- **What is this?** NDS 3P12 PVC Increaser/Reducer Adapter, 3-Inch X 4-Inch, for DWV/SCH40 Hub X S&D Hub Solvent-Weld Connections, for Use with 3-Inch DWV/SCH40 and 4-Inch Sewer and Drain Pipes, White by nds
- **How much does it cost?** VT6912 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.vu](https://www.desertcart.vu/products/142157493-nds-3p12-pvc-increaser-reducer-adapter-3-inch-x-4)

## Best For

- nds enthusiasts

## Why This Product

- Trusted nds brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Professional Grade:** Meets stringent ASTM standards for reliability.
- • **Durable Construction:** Crafted from high-quality PVC for long-lasting performance.
- • **Seamless Transitions:** Easily connects different pipe types for efficient drainage.
- • **Effortless Installation:** Solvent-weld design ensures a quick and secure fit.
- • **Versatile Compatibility:** Works with various drainage components for ultimate flexibility.

## Overview

The NDS 3P12 PVC Increaser/Reducer Adapter is a high-quality plumbing solution designed to seamlessly connect 3-inch DWV/SCH40 pipes to 4-inch sewer and drain pipes. Made from durable PVC, this adapter ensures a watertight seal through solvent-weld connections, making it ideal for non-pressurized drainage systems. Compliant with ASTM standards, it offers versatility and reliability for all your drainage needs.

## Description

NDS 3P12 PVC Increaser/Reducer Adapter, 3-Inch X 4-Inch, for DWV/SCH40 Hub X S&D Hub Solvent-Weld Connections, for Use with 3-Inch DWV/SCH40 and 4-Inch Sewer and Drain Pipes, White

## Features

- TRANSITIONS BETWEEN DIFFERENT PIPES: As part of a complete drainage system, the PVC adapter connects two different pipe types or connects drainage product to pipe to convey excess water for proper release downstream
- CONNECTS 3 IN. PIPE TO 4 IN. PIPE: Connects 3 in. Drain Waste Vent (DWV)/Schedule 40 (SCH40) pipe to 4 in. Sewer & Drain (S&D) pipe in non-pressurized drainage and sewer piping systems
- CONNECTS DRAINAGE SYSTEM COMPONENTS: Connects 3 in. DWV/SCH40 pipe to select drainage products such as channel drain outlets, drainage grates, and pop-up emitters
- SOLVENT-WELD FOR A WATERTIGHT CONNECTION: Made of polyvinyl chloride (PVC) for Hub X Hub solvent-weld connections
- SPECIFICATIONS: Works with Sewer and Drain pipe and fittings per ASTM D 2729, 3034, 2751 and F 810 & DWV Schedule 40 pipe and fittings per ASTM D 2665

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Size | 1 Count (Pack of 1) |
| Material | PVC |
| Brand | NDS |
| Color | White |
| Item dimensions L x W x H | 3 x 4 x 4 inches |
| Connector Type | Adapter |
| Exterior Finish | PVC |
| Number of Pieces | 1 |
| Global Trade Identification Number | 00052063337128 |
| Manufacturer | NDS Inc. |
| UPC | 052063337128 |
| Part Number | NDS - 3P12 |
| Item Weight | 6.4 ounces |
| Product Dimensions | 3 x 4 x 4 inches |
| Item model number | NDS - 3P12 |
| Item Package Quantity | 1 |
| Measurement System | inch |
| Included Components | NDS - 3P12 |
| Batteries Included? | No |
| Batteries Required? | No |

## Product Details

- **Size:** 1 Count (Pack of 1)
- **Material:** PVC
- **Brand:** NDS
- **Color:** White
- **Item dimensions L x W x H:** 3 x 4 x 4 inches
- **Connector Type:** Adapter
- **Exterior Finish:** PVC
- **Number of Pieces:** 1
- **Global Trade Identification Number:** 00052063337128
- **Manufacturer:** NDS Inc.

## Images

![NDS 3P12 PVC Increaser/Reducer Adapter, 3-Inch X 4-Inch, for DWV/SCH40 Hub X S&D Hub Solvent-Weld Connections, for Use with 3-Inch DWV/SCH40 and 4-Inch Sewer and Drain Pipes, White - Image 1](https://m.media-amazon.com/images/I/51NFjd3k89L.jpg)
![NDS 3P12 PVC Increaser/Reducer Adapter, 3-Inch X 4-Inch, for DWV/SCH40 Hub X S&D Hub Solvent-Weld Connections, for Use with 3-Inch DWV/SCH40 and 4-Inch Sewer and Drain Pipes, White - Image 2](https://m.media-amazon.com/images/I/51RUux+4IcL.jpg)
![NDS 3P12 PVC Increaser/Reducer Adapter, 3-Inch X 4-Inch, for DWV/SCH40 Hub X S&D Hub Solvent-Weld Connections, for Use with 3-Inch DWV/SCH40 and 4-Inch Sewer and Drain Pipes, White - Image 3](https://m.media-amazon.com/images/I/51tECHw-DRL.jpg)
![NDS 3P12 PVC Increaser/Reducer Adapter, 3-Inch X 4-Inch, for DWV/SCH40 Hub X S&D Hub Solvent-Weld Connections, for Use with 3-Inch DWV/SCH40 and 4-Inch Sewer and Drain Pipes, White - Image 4](https://m.media-amazon.com/images/I/51akZwLcb6L.jpg)
![NDS 3P12 PVC Increaser/Reducer Adapter, 3-Inch X 4-Inch, for DWV/SCH40 Hub X S&D Hub Solvent-Weld Connections, for Use with 3-Inch DWV/SCH40 and 4-Inch Sewer and Drain Pipes, White - Image 5](https://m.media-amazon.com/images/I/61MPOPgOxjL.jpg)

## Available Options

This product comes in different **Size** options.

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**Shop now:** [https://www.desertcart.vu/products/142157493-nds-3p12-pvc-increaser-reducer-adapter-3-inch-x-4](https://www.desertcart.vu/products/142157493-nds-3p12-pvc-increaser-reducer-adapter-3-inch-x-4)

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*Product available on Desertcart Vanuatu*
*Store origin: VU*
*Last updated: 2026-03-06*