--- product_id: 537407633 title: "PRVNL757100" brand: "merrill" price: "€ 34.84" currency: EUR in_stock: true category: "Merrill" url: https://www.desertcart.it/products/537407633-prvnl757100 store_origin: IT region: Italy --- # 100 PSI Max Pressure 3/4" NPT Threaded Connection Lead-Free Brass & Stainless Steel Springs PRVNL757100 **Brand:** merrill **Price:** € 34.84 **Availability:** ✅ In Stock ## Summary > 🛠️ Elevate Your Water Safety Game — Because Your System Deserves the Best! ## Quick Answers - **What is this?** PRVNL757100 by merrill - **How much does it cost?** € 34.84 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.it](https://www.desertcart.it/products/537407633-prvnl757100) ## 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 - • **Universal 3/4" NPT Thread:** Seamlessly integrates with standard plumbing, well, and irrigation systems for hassle-free installation. - • **Certified Safety Assurance:** IAMPO and NSF/ANSI 372 certified for trusted quality and peace of mind in every use. - • **Precision Pressure Control:** Engineered to safely relieve excess pressure up to 100 PSI, protecting your plumbing system with confidence. - • **Cold Water System Optimized:** Specifically designed for cold water applications, ensuring reliable operation without compromise. - • **Premium Lead-Free Brass Construction:** Durable, corrosion-resistant design ensures long-lasting performance and compliance with health standards. ## Overview The Merrill MFG 3/4" Lead-Free Brass Pressure Relief Valve is a high-quality, corrosion-resistant safety valve designed for cold water systems. Featuring a 3/4" NPT threaded connection and a maximum pressure rating of 100 PSI, it ensures reliable pressure relief to protect plumbing, well, and irrigation setups. Certified by IAMPO and NSF/ANSI 372, this valve combines durability with compliance, making it an essential upgrade for professional-grade water system safety. ## Description Buy Merrill MFG 3/4" Lead-Free Brass Pressure Relief Valve – 100 PSI Water System Safety Valve, NPT Thread, Durable Corrosion-Resistant Design for Well, Plumbing & Irrigation Systems: Relief Valves - desertcart.com ✓ FREE DELIVERY possible on eligible purchases ## Features - Pressure relief valves are for protection against excessive pressure - 3/4 in. male NPT x 3/4 in. female FPT - Lead free brass with stainless steel control springs - IAMPO Certified - 3/4" Line Connection, 100 PSI - Not for use with water heaters -Cold water systems only - 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 | B0BW4Z38VV | | Best Sellers Rank | #108,294 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #78 in Relief Valves | | Brand Name | Merrill | | Connector Type | Threaded | | Customer Reviews | 4.4 4.4 out of 5 stars (41) | | Exterior Finish | Stainless Steel | | Inlet Connection Size | 0.75 inches | | Inlet Connection Type | National Pipe Tapered | | Item Dimensions | 2.47 x 1.45 x 1.05 inches | | Item Type Name | No Pressure Relief Valve | | Manufacturer | Merrill Manufacturing Company | | Manufacturer Part Number | PRVNL757100-A | | Material Type | No lead Brass | | Maximum Pressure | 100 psi | | Model Number | PRVNL757100-A | | Number of Items | 1 | | Number of Packs | 1 | | Number of Pieces | 1 | | Number of Ports | 2 | | Outlet Connection Size | 0.75 inches | | Outlet Connection Type | MNPT | | Size | 0.75 Inch | | Specification Met | IAMPO, NSF/ANSI 372, AB 1953 | | Thread Size | 3/4 inch | | Thread Type | NPT | | UPC | 642367453541 | | Unit Count | 1 Count | | Valve Type | Pressure Relief Valve | ## Product Details - **Brand:** Merrill - **Exterior Finish:** Stainless Steel - **Inlet Connection Size:** 0.75 inches - **Inlet Connection Type:** National Pipe Tapered - **Item dimensions L x W x H:** 2.47 x 1.45 x 1.05 inches - **Material:** No lead Brass - **Maximum Operating Pressure:** 100 psi - **Number of Ports:** 2 - **Outlet Connection Size:** 0.75 inches - **Outlet Connection Type:** MNPT ## Images ![PRVNL757100 - Image 1](https://m.media-amazon.com/images/I/214dX4hFjNL.jpg) ![PRVNL757100 - Image 2](https://m.media-amazon.com/images/I/41uKmkNKNuL.jpg) ![PRVNL757100 - Image 3](https://m.media-amazon.com/images/I/21-cgFf08qL.jpg) ![PRVNL757100 - Image 4](https://m.media-amazon.com/images/I/41B1U7prngL.jpg) ![PRVNL757100 - Image 5](https://m.media-amazon.com/images/I/41pqd2vBMhL.jpg) ## Frequently Bought Together - Merrill MFG PRVNL757100-3/4" Lead-Free Pressure Relief Valve, 100 PSI, Brass, NPT, - MEASUREMAN 0-100 PSI/kPa Water Pressure Gauge, Glycerin Filled,psi Gauge,for Home Water Pressure Test, 2-1/2’’ Dial, 304 Stainless Steel Case, 1/4’’ NPT Lower Mount - SENCTRL 100 Psi Lead-Free Glycerin Liquid Filled Low Pressure Gauge, 2.5" Dial Size, 1/4" NPT Lower Mount, Stainless Steel Case, for Home Potable Water Pump, Air, Well, RV Hose, Pressure Test --- ## 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.it/products/537407633-prvnl757100](https://www.desertcart.it/products/537407633-prvnl757100) --- *Product available on Desertcart Italy* *Store origin: IT* *Last updated: 2026-09-27*