---
product_id: 151144716
title: "Zurn Wilkins 34-350 3/4\" 350 Double Check Backflow Preventer"
brand: "zurn"
price: "3898 kr"
currency: DKK
in_stock: true
reviews_count: 9
category: "Zurn"
url: https://www.desertcart.dk/products/151144716-zurn-wilkins-34-350-3-4-350-double-check-backflow
store_origin: DK
region: Denmark
---

# Water-saving design EZSwap removable vessel for quick repairs Saves 15 mins per install Zurn Wilkins 34-350 3/4" 350 Double Check Backflow Preventer

**Brand:** zurn
**Price:** 3898 kr
**Availability:** ✅ In Stock

## Summary

> 💧 Protect your flow, save your time, and lead the pack with Zurn Wilkins!

## Quick Answers

- **What is this?** Zurn Wilkins 34-350 3/4" 350 Double Check Backflow Preventer by zurn
- **How much does it cost?** 3898 kr with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.dk](https://www.desertcart.dk/products/151144716-zurn-wilkins-34-350-3-4-350-double-check-backflow)

## Best For

- zurn enthusiasts

## Why This Product

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

## Key Features

- • **Certified Reliability:** Backed by ASSE, IAPMO, CSA certifications and AWWA compliance—trusted protection for your water systems.
- • **Cut Costs, Not Corners:** Reduce labor and repair kit expenses by 75%+ over the backflow preventer’s lifecycle—smart savings for savvy pros.
- • **Install Faster, Save Time:** Flush Tool cuts installation time by up to 15 minutes—get your projects done ahead of schedule.
- • **Built to Brave the Elements:** Stainless steel and UV-resistant reinforced nylon ensure corrosion resistance and durability in harsh outdoor conditions.
- • **Maintenance Made Effortless:** EZSwap removable pressure vessel enables off-line servicing, slashing repair time and costs dramatically.

## Overview

The Zurn Wilkins 34-350 3/4" Double Check Backflow Preventer is a corrosion-resistant, UV-stable valve assembly designed for low health hazard, non-potable water systems. Featuring a patented EZSwap removable pressure vessel and flush tool, it streamlines installation, maintenance, and winterization while delivering water savings. Certified by ASSE, IAPMO, CSA, and compliant with AWWA standards, it’s the trusted choice for irrigation pros seeking durability and cost efficiency.

## Description

The 3/4 in. 350 Double Check Valve Assembly is used in low health hazard, non-potable water applications for protection against both backsiphonage and backpressure of polluted water. A favorite for irrigation contractors, the patented and innovative EZSwap removable pressure vessel allows for simple, cost-effective maintenance and repairs, straightforward line flushing, quick winterization, and water savings. Its stainless steel shut-off valve handles, hardware, and struts are corrosion-resistant and the durable UV resistant reinforced nylon EZSwap Pressure Vessel resists corrosion and mineral build-up to better withstand harsh outdoor conditions.

Review: The sign to buy it. - Price can great and quality is nice. Replaced my thing perfectly and there was no leaks. Functionality was good.
Review: item - works as listed and is far less expensive than one I was replacing

## Features

- Flush Tool (FLUSH) provides easy line flushing, saving up to 15 minutes per installation
- EZSwap removable pressure vessel reduces repair time and costs, and is serviceable off-line
- Design ensures water savings
- Stainless steel and durable, UV-resistant reinforced nylon construction offers corrosion-resistance and quick winterization
- Reduced labor and repair kit costs save 75% or more during backflow lifecycle; ASSE Listed 1015; IAPMO Listed; CSA Certified B64.5; AWWA Compliant C510;

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B004H2NSB0 |
| Best Sellers Rank | #78,527 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #129 in Check Valves |
| Brand | Zurn |
| Date First Available | June 6, 2013 |
| Exterior Finish | Stainless Steel |
| Global Trade Identification Number | 00612052081380 |
| Inlet Connection Size | 0.75 Inches |
| Inlet Connection Type | F |
| Is Discontinued By Manufacturer | No |
| Item Weight | 4.97 pounds |
| Item dimensions L x W x H | 15.13 x 3.75 x 4.25 inches |
| Item model number | 34-350 |
| Manufacturer | Zurn Industries |
| Material | Stainless Steel |
| Number of Ports | 2 |
| Outlet Connection Size | 0.75 Inches |
| Outlet Connection Type | F |
| Product Dimensions | 15.13 x 3.75 x 4.25 inches |
| Specification Met | Asse Listed 1015, Awwa Compliant C510, Csa Certified B64.5, IAPMO |
| UPC | 612052081380 |

## Product Details

- **Brand:** Zurn
- **Exterior Finish:** Stainless Steel
- **Inlet Connection Size:** 0.75 Inches
- **Inlet Connection Type:** F
- **Item dimensions L x W x H:** 15.13 x 3.75 x 4.25 inches
- **Material:** Stainless Steel
- **Number of Ports:** 2
- **Outlet Connection Size:** 0.75 Inches
- **Outlet Connection Type:** F
- **Specification Met:** Asse Listed 1015, Awwa Compliant C510, Csa Certified B64.5, IAPMO

## Images

![Zurn Wilkins 34-350 3/4" 350 Double Check Backflow Preventer - Image 1](https://m.media-amazon.com/images/I/71OhH+SOH7L.jpg)

## Questions & Answers

**Q: Does this product contain lead?**
A: This is not the Lead Free version. That would be the 34-350XL.
Thank you

**Q: What size is the thread on both ends?  will it connect to 1" threaded pvc?**
A: It is 3/4 thread we buy 3/4 to 1 adapters.

**Q: what happens if I switch up the springs inside the unit? ex. #1 spring in the #2 cv and vise versa.**
A: As long as it is a Certified rebuild kit yes if not it will not hold

**Q: Does this come with the Blow Out Fitting**
A: No, but you can have it as a accessory: Winterizing Blow out/Flush fitting: (RK34-350BOF,
RK1-350BOF or RK114-350-375BOF)

## Customer Reviews

### ⭐⭐⭐⭐⭐ The sign to buy it.
*by G***S on May 31, 2025*

Price can great and quality is nice. Replaced my thing perfectly and there was no leaks. Functionality was good.

### ⭐⭐⭐⭐⭐ item
*by C***N on August 17, 2024*

works as listed and is far less expensive than one I was replacing

### ⭐⭐⭐⭐⭐ Solid well built
*by A***R on April 26, 2025*

Easy to install. Works fine.

## Frequently Bought Together

- Zurn Wilkins 34-350 3/4" 350 Double Check Backflow Preventer
- Zurn Wilkins 1-SXL 1" SXL Cast Bronze Wye Type Strainer
- Zurn Wilkins 1-350 1" 350 Double Check Backflow Preventer

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*Product available on Desertcart Denmark*
*Store origin: DK*
*Last updated: 2026-02-26*