--- product_id: 230877961 title: "Merrill MFG CVNL100 1\" No-Lead Brass Check Valve 700 Series, 1\"" brand: "merrill" price: "1297700β‚«" currency: VND in_stock: true reviews_count: 8 category: "Merrill" url: https://www.desertcart.vn/products/230877961-merrill-mfg-cvnl100-1-no-lead-brass-check-valve-700 store_origin: VN region: Vietnam --- # IAPMO Certified check valve for reliable backflow prevention Threaded 1" FNPT connections for versatile installation 1" No Lead Brass - durable & corrosion resistant Merrill MFG CVNL100 1" No-Lead Brass Check Valve 700 Series, 1" **Brand:** merrill **Price:** 1297700β‚« **Availability:** βœ… In Stock ## Summary > 🚰 Elevate your flow game with the CVNL100 β€” where durability meets precision! ## Quick Answers - **What is this?** Merrill MFG CVNL100 1" No-Lead Brass Check Valve 700 Series, 1" by merrill - **How much does it cost?** 1297700β‚« with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.vn](https://www.desertcart.vn/products/230877961-merrill-mfg-cvnl100-1-no-lead-brass-check-valve-700) ## Best For - merrill enthusiasts ## Why This Product - Trusted merrill brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - β€’ **Leak-Proof Seal Technology:** Abrasion-resistant O-ring fitted poppet delivers a positive, maintenance-free seal every time. - β€’ **Certified Backflow Protection:** IAPMO certification guarantees dependable prevention of reverse water flow, protecting your setup. - β€’ **Built to Last with No Lead Brass:** Premium corrosion-resistant construction ensures longevity and safety in your plumbing system. - β€’ **Seamless Installation Flexibility:** Works flawlessly in both vertical and horizontal positions with standard 1" NPT threaded connections. - β€’ **Trusted by Professionals & DIYers Alike:** Top-rated (#7 in Check Valves) with 4.6 stars from 400+ reviewsβ€”join the community that demands quality. ## Overview The Merrill CVNL100 is a 1-inch No Lead Brass check valve designed for reliable backflow prevention in plumbing systems. Certified by IAPMO, it features abrasion-resistant seals and threaded FNPT connections for easy installation in multiple orientations. Rated for up to 200 PSI, it combines professional-grade durability with user-trusted performance, making it a top choice for both industrial and residential applications. ## Description Founded in 1949, Merrill Manufacturing is a family-owned and operated manufacturer in Iowa. While maintaining our family values, Merrill is always changing to meet and exceed the demands of our loyal customers! Merrill Manufacturing is located on the shores of Storm Lake, Iowa and is a global leader in the water well industry. Merrill is widely recognized for its yard hydrants, offering over 3,500 products to meet your water well needs. Founded in 1949, Merrill Manufacturing is a family-owned and operated manufacturer in Iowa. While maintaining our family values, Merrill is always changing to meet and exceed the demands of our loyal customers! Merrill Manufacturing is located on the shores of Storm Lake, Iowa and is a global leader in the water well industry. Merrill is widely recognized for its yard hydrants, offering over 3,500 products to meet your water well needs. Noel Merrill Anderson In 1949, Noel Merrill Anderson founded Merrill Manufacturing Company with his invention of the AnyFlow Yard Hydrant. Noel Merrill Anderson In 1949, Noel Merrill Anderson founded Merrill Manufacturing Company with his invention of the AnyFlow Yard Hydrant. Yard Hydrants Visit the Store Yard Hydrants Visit the Store Pressure Switches & Gauges Visit the Store Pressure Switches & Gauges Best Sellers Visit the Store Best Sellers Review: Brass check valve fir well water pressure tank. - Shipped quick, great quality. Make sure you order brass closed nipple fittings too. Review: Quality - Great works as designed. Thank you ## Features - Durable Construction: Made from high-quality No Lead Brass Construction for long-lasting performance and reliability. Check Valve is IAPMO Certified. - Size: 1 in. x 1 in. female NPT - Effective Backflow Prevention: Designed to resist reverse flow, ensuring consistent water flow in the intended direction - Abrasion resistant O-ring fitted to the poppet for a positive seal - Can be used in both vertical and horizontal positions - Performance Consideration: While effective in many applications, this valve may not fully stop reverse flow under all conditions; best suited for certain setups. - CALIFORNIA PROP 65 WARNING: Product may expose you to chemicals known to the State of California to cause cancer and reproductive harm. See P65Warnings.ca.gov for details ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B08GGBBR63 | | Best Sellers Rank | #12,715 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #10 in Check Valves | | Brand | Merrill | | Brand Name | Merrill | | Connector Type | Threaded | | Customer Reviews | 4.6 out of 5 stars 440 Reviews | | Exterior Finish | Brass | | Inlet Connection Size | 1 Inches | | Inlet Connection Type | National Pipe Tapered | | Manufacturer | Merrill Manufacturing Company | | Manufacturer Part Number | CVNL100-A | | Material | No Lead Brass | | Material Type | No Lead Brass | | Maximum Pressure | 200 Pound per Square Inch | | Model Number | CVNL100-A | | Number of Pieces | 1 | | Number of Ports | 2 | | Outlet Connection Size | 1 Inches | | Outlet Connection Type | FNPT | | Size | 1 Inch | | Thread Size | 1 inch | | Thread Type | NPT | | UPC | 642367450526 | | Unit Count | 1.0 Count | | Valve Type | check valve | ## Product Details - **Brand:** Merrill - **Exterior Finish:** Brass - **Inlet Connection Size:** 1 Inches - **Inlet Connection Type:** National Pipe Tapered - **Manufacturer:** Merrill Manufacturing Company - **Material:** No Lead Brass - **Maximum Operating Pressure:** 200 Pound per Square Inch - **Number of Ports:** 2 - **Outlet Connection Size:** 1 Inches - **Outlet Connection Type:** FNPT ## Images ![Merrill MFG CVNL100 1" No-Lead Brass Check Valve 700 Series, 1" - Image 1](https://m.media-amazon.com/images/I/31rDzTTq8mL.jpg) ![Merrill MFG CVNL100 1" No-Lead Brass Check Valve 700 Series, 1" - Image 2](https://m.media-amazon.com/images/I/61O5ko0AmmL.jpg) ![Merrill MFG CVNL100 1" No-Lead Brass Check Valve 700 Series, 1" - Image 3](https://m.media-amazon.com/images/I/41Zs7RyW2pL.jpg) ![Merrill MFG CVNL100 1" No-Lead Brass Check Valve 700 Series, 1" - Image 4](https://m.media-amazon.com/images/I/61OSd+wQkeL.jpg) ![Merrill MFG CVNL100 1" No-Lead Brass Check Valve 700 Series, 1" - Image 5](https://m.media-amazon.com/images/I/71uuwkA9BgL.jpg) ## Customer Reviews ### ⭐⭐⭐⭐⭐ Brass check valve fir well water pressure tank. *by C***A on April 2, 2026* Shipped quick, great quality. Make sure you order brass closed nipple fittings too. ### ⭐⭐⭐⭐⭐ Quality *by B***T on March 17, 2026* Great works as designed. Thank you ### ⭐⭐⭐⭐⭐ Perfect check valve! *by G***G on August 4, 2025* Works nice for well pump pressure tank tee. Easy install and no leaks so far. ## Frequently Bought Together - Merrill MFG CVNL100 1" No-Lead Brass Check Valve 700 Series, 1" - 1"x 11"Well Pressure Tank Tee Kit with 40/60psi Pressure Switch,Brass Pressure Tank Installation Kit for Water Well, Fit Most pressure tanks with diameters up to 16 Inch --- ## Why Shop on Desertcart? - πŸ›’ **Trusted by 1.3+ Million Shoppers** β€” Serving international shoppers since 2016 - 🌍 **Shop Globally** β€” Access 737+ million products across 21 categories - πŸ’° **No Hidden Fees** β€” All customs, duties, and taxes included in the price - πŸ”„ **15-Day Free Returns** β€” Hassle-free returns (30 days for PRO members) - πŸ”’ **Secure Payments** β€” Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** β€” Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.vn/products/230877961-merrill-mfg-cvnl100-1-no-lead-brass-check-valve-700](https://www.desertcart.vn/products/230877961-merrill-mfg-cvnl100-1-no-lead-brass-check-valve-700) --- *Product available on Desertcart Vietnam* *Store origin: VN* *Last updated: 2026-05-19*