---
product_id: 639886005
title: "3\" PVC Backwater Valve, 3 Inch Back Flow Preventer Valve, Backflow Water Valve Prevents Sewage Backflow"
brand: "cinsda"
price: "$79.98"
currency: USD
in_stock: true
reviews_count: 8
category: "Cinsda"
url: https://www.desertcart.us/products/639886005-3-pvc-backwater-valve-3-inch-back-flow-preventer-valve
store_origin: US
region: United States of America
---

# Watertight EPDM seals Heat & corrosion resistant 3-inch PVC connection 3" PVC Backwater Valve, 3 Inch Back Flow Preventer Valve, Backflow Water Valve Prevents Sewage Backflow

**Brand:** cinsda
**Price:** $79.98
**Availability:** ✅ In Stock

## Summary

> 🚫💧 Stop Backflow Before It Stops You!

## Quick Answers

- **What is this?** 3" PVC Backwater Valve, 3 Inch Back Flow Preventer Valve, Backflow Water Valve Prevents Sewage Backflow by cinsda
- **How much does it cost?** $79.98 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.us](https://www.desertcart.us/products/639886005-3-pvc-backwater-valve-3-inch-back-flow-preventer-valve)

## Best For

- cinsda enthusiasts

## Why This Product

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

## Key Features

- • **Precision 3" Fit:** Seamlessly integrates with standard PVC drainage systems for hassle-free installation.
- • **Durable PVC Build:** Engineered for high impact strength and long-lasting corrosion resistance.
- • **Leakproof EPDM Seals:** Thickened rubber rings and EPDM cover ensure zero water leakage under pressure.
- • **Effortless Installation:** Solvent-weldable design guarantees a secure, watertight connection in minutes.
- • **Ultimate Backflow Protection:** Prevents sewage and water backflow, safeguarding your home and workspace.

## Overview

The 3" PVC Backwater Valve by Cinsda is a robust, corrosion-resistant valve designed to prevent sewage and water backflow in drainage systems. Featuring durable PVC construction, watertight EPDM seals, and easy solvent-weld installation, it ensures reliable protection for residential and light industrial plumbing setups.

## Description

Wide range of uses: Made of hard PVC and corrosion resistance. Perfect for indoor and outdoor use, drainage and sewer piping systems; patio, lawn, garden, and septic tank piping systems etc. Installed in the PVC drain and sewer pipe system.

Review: French Drain backflow preventer - Works as it should
Review: Buena calidad,evitar cuando limpia el gobierno sistema sanitario

## Features

- Designed for connecting 3-inch PVC drains in the drainage system, this valve prevents the backflow of water in the pipeline due to pressure reduction or other potential causes.
- The backwater valve is made of sturdy PVC for high impact strength and resistance to heat and corrosion.
- Our back flow preventer valve can be solvent-welded for a watertight connection. The installation is simple and efficient.
- Thickened rubber rings embedded in the water stop baffle guarantee a watertight seal, and the access cover is also sealed with EPDM rubber to prevent water leakage.
- The backflow valve, as part of the DWV system, is suitable for connecting PVC sewers and drains. Ideal for sewage disposal in household and certain industries, it prevents sewer backflow.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0D3QD87DR |
| Batteries Required? | No |
| Best Sellers Rank | #35,282 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #951 in Pipe Fittings |
| Brand | Cinsda |
| Color | White |
| Connector Type | Tee |
| Customer Reviews | 4.6 4.6 out of 5 stars (74) |
| Date First Available | May 9, 2024 |
| Exterior Finish | PVC |
| Included Components | 3" Backwater Valve |
| Item Weight | 2.12 pounds |
| Item dimensions L x W x H | 7.46 x 5.16 x 5.8 inches |
| Item model number | 3IBVBD |
| Manufacturer | Cinsda |
| Material | Polyvinyl Chloride |
| Part Number | 3IBVBD |
| Product Dimensions | 7.46 x 5.16 x 5.8 inches |
| Size | 3 Inch |
| Thread Size | 3 inches |

## Product Details

- **Brand:** Cinsda
- **Color:** White
- **Connector Type:** Tee
- **Exterior Finish:** PVC
- **Item dimensions L x W x H:** 7.46 x 5.16 x 5.8 inches
- **Manufacturer:** Cinsda
- **Material:** Polyvinyl Chloride
- **Size:** 3 Inch
- **Thread Size:** 3 inches

## Images

![3" PVC Backwater Valve, 3 Inch Back Flow Preventer Valve, Backflow Water Valve Prevents Sewage Backflow - Image 1](https://m.media-amazon.com/images/I/61VNt5B7hVL.jpg)

## Available Options

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

## Customer Reviews

### ⭐⭐⭐⭐⭐ French Drain backflow preventer
*by R***S on October 10, 2025*

Works as it should

### ⭐⭐⭐⭐⭐ Review
*by 2***3 on September 24, 2025*

Buena calidad,evitar cuando limpia el gobierno sistema sanitario

### ⭐⭐⭐⭐⭐ Buried
*by A***R on September 15, 2025*

Seemed good enough, we'll find out if water doesn't backflush

## Frequently Bought Together

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- Cinsda 4" PVC Backwater Valve, 4 Inch Back Flow Preventer Valve, Backflow Water Valve Prevents Sewage Backflow
- Tondiamo Backwater Valve Drain Backflow Preventer Valve Prevent Sewage and Rainwater from Flowing Back(White PVC,4 Inch)

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**Shop now:** [https://www.desertcart.us/products/639886005-3-pvc-backwater-valve-3-inch-back-flow-preventer-valve](https://www.desertcart.us/products/639886005-3-pvc-backwater-valve-3-inch-back-flow-preventer-valve)

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*Product available on Desertcart United States of America*
*Store origin: US*
*Last updated: 2026-02-15*