--- product_id: 19771558 title: "Watts 0371271 530C 1/2\" Poppet Style Adjustable Relief Valve" brand: "watts" price: "708.63 DT" currency: TND in_stock: true reviews_count: 12 category: "Watts" url: https://www.desertcart.tn/products/19771558-watts-0371271-530c-1-2-poppet-style-adjustable-relief-valve store_origin: TN region: Tunisia --- # Reliable water/oil/air system protection Durable lead-free brass & stainless steel Adjustable pressure 50-175 psi Watts 0371271 530C 1/2" Poppet Style Adjustable Relief Valve **Brand:** watts **Price:** 708.63 DT **Availability:** βœ… In Stock ## Summary > πŸ’§ Stay ahead of pressure spikes with precision-engineered relief! ## Quick Answers - **What is this?** Watts 0371271 530C 1/2" Poppet Style Adjustable Relief Valve by watts - **How much does it cost?** 708.63 DT with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.tn](https://www.desertcart.tn/products/19771558-watts-0371271-530c-1-2-poppet-style-adjustable-relief-valve) ## Best For - watts enthusiasts ## Why This Product - Trusted watts brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - β€’ **Built to Last:** Lead-free brass body with stainless steel spring ensures corrosion resistance and decades of dependable use. - β€’ **Leak-Proof Assurance:** Buna-N disc and O-ring deliver a secure seal, preventing costly leaks and downtime. - β€’ **Versatile Compatibility:** 3/4" NPT male inlet and 1/2" NPT female outlet fit a wide range of industrial and residential systems. - β€’ **High Pressure Resilience:** Handles up to 300 psi max pressure, adapting seamlessly to fluctuating system demands. - β€’ **Precision Pressure Control:** Calibrated adjustment lets you dial in exact relief pressure for tailored system safety. ## Overview The Watts 0371271 530C 1/2" Poppet Style Adjustable Relief Valve offers precise, adjustable pressure relief from 50 to 175 psi, built with lead-free brass and stainless steel for durability. Designed for water, oil, and air systems, it features a 3/4" NPT male inlet and 1/2" NPT female outlet, ensuring broad compatibility and leak-proof performance under pressures up to 300 psi. ## Description The Watts Lead-Free Brass Calibrated Poppet Type Pressure Relief Valve is a poppet type valve specifically designed for use as protection from the buildup of excessive pressure in systems containing water, oil, or air. Crafted with meticulous attention to detail, this valve boasts a durable construction featuring a 3/4" NPT male inlet and 1/2" NPT female (drain) outlet, ensuring compatibility with a wide range of systems. Furthermore, its all-brass composition, coupled with a stainless steel spring, guarantees resilience and longevity even in the face of demanding operating conditions, and its lead-free construction guarantees compliance with industry standards. It also comes with a lead-free brass bonnet, a Buna-N disc on machined body seat, as well as an O-ring to ensure a secure, leak-proof seal.Engineered for precision, this relief valve is conveniently equipped with a calibrated adjustment feature, offering flexibility based on your system's specific requirements by allowing you to finely tune the valve to the exact relief pressure required for optimal performance.With a maximum pressure rating reaching up to 300 psi (20.67 bar), this valve has an adjustable range spanning from 50 to 175 psi (3.45 to 12.06 bar), this relief valve offers a wide spectrum of protection, adapting seamlessly to varying pressure requirements. Whether mitigating sudden spikes or maintaining steady pressure levels, this valve stands as a versatile solution for ensuring system integrity and safety. Review: Quality valve - The valve was of good quality and the plumber commented on it. So far all good. Review: Good product - Pressure relief on hot water system. The last like this lasted over twenty years but is now leaking slightly. Good service life ## Features - RELIEF VALVE: The Watts Lead-Free Brass Calibrated Poppet Type Pressure Relief Valve is designed for use as protection from the buildup of excessive pressure in systems containing water, oil, or air. - COMPREHENSIVE FEATURES: This valve includes a 3/4" NPT male inlet by 1/2" NPT female (drain outlet), a stainless steel spring, lead-free brass bonnet, Buna-N disc on machined body seat, and O-ring. - CALIBRATED ADJUSTMENT: This valve is equipped with a calibrated adjustment feature that allows precise setting of the valve to the required relief pressure, offering flexibility based on your system's specific requirements. - WIDE PRESSURE RANGE: With a maximum pressure rating of 300 psi (20.67 bar) and an adjustable range spanning from 50 to 175 psi (3.45 to 12.06 bar), this relief valve offers versatility in managing pressure levels. - EVERY DROP COUNTS: Water. It's in our name and close to our hearts. Since 1874, Watts Water Technologies has been delivering innovative technologies that make the world's most precious resource safe and accessible. Everything we design is made to keep the Earth's most precious resource safer, cleaner, and more useful for our customers. Our family of brands offers one of the most varied product lines in the world, with world-class, water-related solutions. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B000936L24 | | Best Sellers Rank | #96,485 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #63 in Relief Valves | | Brand | Watts | | Brand Name | Watts | | Connector Type | Threaded | | Customer Reviews | 4.3 out of 5 stars 101 Reviews | | Exterior Finish | Bronze | | Inlet Connection Type | National Pipe Tapered | | Item Dimensions | 3.8 x 2.3 x 1.5 inches | | Item Type Name | 1/2" Poppet Style | | Item dimensions L x W x H | 3.8 x 2.3 x 1.5 inches | | Manufacturer | Watts | | Manufacturer Part Number | 1/2 530-C | | Material | Bronze | | Material Type | Bronze | | Maximum Pressure | 300 Pound per Square Inch | | Model Number | 1/2 530-C | | Number of Pieces | 1 | | Number of Ports | 2 | | Outlet Connection Type | MNPT | | Size | 0.5 Inch | | Specification Met | ASME | | Thread Size | 1/2" | | Thread Type | NPT | | UPC | 098268018233 | | Unit Count | 1.0 Count | | Valve Type | Pressure Relief Valve | ## Images ![Watts 0371271 530C 1/2" Poppet Style Adjustable Relief Valve - Image 1](https://m.media-amazon.com/images/I/81Vaame12QL.jpg) ## Customer Reviews ### ⭐⭐⭐⭐⭐ Quality valve *by A***Y on July 2, 2024* The valve was of good quality and the plumber commented on it. So far all good. ### ⭐⭐⭐⭐⭐ Good product *by D***T on February 26, 2023* Pressure relief on hot water system. The last like this lasted over twenty years but is now leaking slightly. Good service life ### ⭐⭐⭐⭐ Know what you are buying *by B***L on April 26, 2025* I was experiencing strong pressure oscillations under changes in flow. I bought this device hoping to stamp out the oscillation. It kind of helped but it streams water continuously out the bypass. This is not β€œCalifornia Friendly”. Reading the instruction manual carefully, it does exactly what it is supposed to. I returned the device and bought piston pulsation dampener. --- ## 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.tn/products/19771558-watts-0371271-530c-1-2-poppet-style-adjustable-relief-valve](https://www.desertcart.tn/products/19771558-watts-0371271-530c-1-2-poppet-style-adjustable-relief-valve) --- *Product available on Desertcart Tunisia* *Store origin: TN* *Last updated: 2026-07-26*