--- product_id: 151144715 title: "Zurn Wilkins 1-350 1\" 350 Double Check Backflow Preventer" brand: "wilkins" price: "₩783850" currency: KRW in_stock: true category: "Wilkins" url: https://www.desertcart.kr/products/151144715-zurn-wilkins-1-350-1-350-double-check-backflow-preventer store_origin: KR region: South Korea --- # Water-saving design EZSwap removable vessel Saves 15 mins per install Zurn Wilkins 1-350 1" 350 Double Check Backflow Preventer **Brand:** wilkins **Price:** ₩783850 **Availability:** ✅ In Stock ## Summary > 💧 Protect your flow, save your time, and lead the pack with Zurn Wilkins! ## Quick Answers - **What is this?** Zurn Wilkins 1-350 1" 350 Double Check Backflow Preventer by wilkins - **How much does it cost?** ₩783850 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.kr](https://www.desertcart.kr/products/151144715-zurn-wilkins-1-350-1-350-double-check-backflow-preventer) ## Best For - wilkins enthusiasts ## Why This Product - Trusted wilkins brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Certified Reliability:** Backed by ASSE 1015, IAPMO, CSA, and AWWA certifications—trusted protection for your irrigation and non-potable water systems. - • **Eco-Friendly Water Savings:** Innovative design reduces water waste, aligning with your sustainability goals without compromising performance. - • **Built to Brave the Elements:** Stainless steel and UV-resistant reinforced nylon ensure corrosion resistance and durability in harsh outdoor conditions. - • **Game-Changing EZSwap Vessel:** Removable pressure vessel lets you service off-line, slashing repair time and costs dramatically. - • **Speedy Install & Maintenance:** Flush Tool cuts installation time by up to 15 minutes—get your projects done faster and smarter. ## Overview The Zurn Wilkins 1-350 1" Double Check Backflow Preventer is a robust, corrosion-resistant valve assembly designed for low health hazard, non-potable water systems. Featuring a patented EZSwap removable pressure vessel and flush tool, it streamlines installation and maintenance, saving up to 15 minutes per job and reducing lifecycle repair costs by 75%. Certified by ASSE, IAPMO, CSA, and AWWA, it ensures reliable protection against backflow while promoting water savings and durability in outdoor environments. ## Description The 1 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. ## 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 | B004Q0OJL6 | | Best Sellers Rank | #90,002 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #165 in Check Valves | | Brand Name | Wilkins | | Customer Reviews | 4.6 4.6 out of 5 stars (153) | | Exterior Finish | Stainless Steel | | Global Trade Identification Number | 00612052081427 | | Included Components | Double Check Valve Assembly | | Inlet Connection Size | 1 inches | | Inlet Connection Type | F | | Item Dimensions | 11.6 x 4.5 x 5.5 inches | | Item Type Name | Double Check Backflow Preventer | | Item Weight | 0.27 g | | Manufacturer | Zurn Industries | | Manufacturer Part Number | 1-350 | | Manufacturer Warranty Description | 1 Year manufacturer | | Material Type | Bronze | | Model Number | 1-350 | | Number of Items | 1 | | Number of Pieces | 5 | | Number of Ports | 1 | | Outlet Connection Size | 1 inches | | Outlet Connection Type | FNPT | | Size | 1 Inch | | Specification Met | ASSE Listed 1015, AWWA Compliant C510, CSA Certified B64.5, IAPMO | | Thread Size | 1 inch | | Thread Type | NPT | | UPC | 612052081427 | | Unit Count | 1 Count | | Valve Type | Double Check Valve | ## Product Details - **Brand:** Wilkins - **Exterior Finish:** Stainless Steel - **Inlet Connection Size:** 1 inches - **Inlet Connection Type:** F - **Item dimensions L x W x H:** 11.6 x 4.5 x 5.5 inches - **Material:** Bronze - **Number of Ports:** 1 - **Outlet Connection Size:** 1 inches - **Outlet Connection Type:** FNPT - **Specification Met:** ASSE Listed 1015, AWWA Compliant C510, CSA Certified B64.5, IAPMO ## Images ![Zurn Wilkins 1-350 1" 350 Double Check Backflow Preventer - Image 1](https://m.media-amazon.com/images/I/41gxqpZPa7L.jpg) ![Zurn Wilkins 1-350 1" 350 Double Check Backflow Preventer - Image 2](https://m.media-amazon.com/images/I/31+rsG6eX4L.jpg) ![Zurn Wilkins 1-350 1" 350 Double Check Backflow Preventer - Image 3](https://m.media-amazon.com/images/I/31cF-Nxq5bL.jpg) ![Zurn Wilkins 1-350 1" 350 Double Check Backflow Preventer - Image 4](https://m.media-amazon.com/images/I/31aFgruO4gL.jpg) ![Zurn Wilkins 1-350 1" 350 Double Check Backflow Preventer - Image 5](https://m.media-amazon.com/images/I/31BlTJ4sdvL.jpg) ## Questions & Answers **Q: Does it come with dust caps for the test ports?** A: Yes the Zurn Wilkins 350 has plastic screw in caps for the 4 test cocks. Note that the model 350 protects against backsiphonage and backpressure of polluted water, where a potential health hazard does not exist. In Idaho the Double Check Valve Assemblies are not allowed on irrigation systems anymore, so assemblies like this not rated "lead free" have very limited applications anymore. **Q: Is this assembly lead free?** A: No, it is not. The lead free version is a 350XL **Q: Spec on zurn site says 12.25" length. Amazon lists 17". What is 1" 350 length?** A: It’s closer to the 12.25. I think the box it comes in is likely 17”. **Q: Why wont the valves close?** A: Might be tight at first try to work them in ## Frequently Bought Together - Zurn Wilkins 1-350 1" 350 Double Check Backflow Preventer - Zurn Wilkins 1-SXL 1" SXL Cast Bronze Wye Type Strainer - Zurn Wilkins 34-350 3/4" 350 Double Check Backflow Preventer --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.kr/products/151144715-zurn-wilkins-1-350-1-350-double-check-backflow-preventer](https://www.desertcart.kr/products/151144715-zurn-wilkins-1-350-1-350-double-check-backflow-preventer) --- *Product available on Desertcart South Korea* *Store origin: KR* *Last updated: 2026-10-08*