{"product_id":"orbit-51016-3-4-inch-fpt-brass-manual-anti-siphon-sprinkler-valve-outdoor-irrigation","title":"Orbit 51016 3\/4 Inch FPT Brass Manual Anti-Siphon Sprinkler Valve | Outdoor Irrigation","description":"\u003ch3\u003eOverview\u003c\/h3\u003e\n\u003cp\u003eThe Orbit 51016 Brass Manual Anti-Siphon Valve combines a forward-flow valve with an atmospheric vacuum break to help prevent backflow into any culinary or household lines. Built with a heavy-cast brass body, this valve is designed for outdoor irrigation projects using cold water. It supports precise flow adjustments through an easy-to-rotate handle, giving you reliable control where you need it most.\u003c\/p\u003e\n\n\u003ch3\u003eKey Benefits and Real‑Life Use\u003c\/h3\u003e\n\u003cp\u003eIdeal for installations common in California and others where separate backflow protection is preferred at the point of connection, this valve helps separate irrigation from indoor water supplies. The inline design works with standard 3\/4 inch FPT connections, and its robust construction is built to handle outdoor conditions while you fine-tune watering zones.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eInline forward flow valve paired with atmospheric vacuum break to reduce backflow risk\u003c\/li\u003e\n  \u003cli\u003eHeavy-cast brass body for durability and consistent flow control\u003c\/li\u003e\n  \u003cli\u003eOutdoor use with cold water only, designed for long-term outdoor exposure\u003c\/li\u003e\n  \u003cli\u003e3\/4 inch FPT connection size for compatibility with common irrigation setups\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eIn practical terms, the valve is often installed above ground on risers to maintain proper elevation. Expect crisp, smooth operation from the flow control handle, which can be adjusted as your irrigation needs shift across seasons. This design supports a predictable watering rhythm without clumsy adjustments at the mainline point.\u003c\/p\u003e\n\n\u003ch3\u003eInstallation Tips and How It Fits Your System\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003ePlace the valve at least 12 inches above the highest sprinkler head in the zone you control to ensure proper function\u003c\/li\u003e\n  \u003cli\u003eConsider a steel sprinkler key for hard-to-reach spots and PVC-Lock fittings for faster, glue-free setup\u003c\/li\u003e\n  \u003cli\u003eUse only for outdoor irrigation with cold water to match the valve’s intended use\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThese guidelines help you prepare a clean, maintainable installation that supports system separation where required by local codes, while keeping water flow predictable and adjustable.\u003c\/p\u003e\n\n\u003ch3\u003eWhy Choose Orbit\u003c\/h3\u003e\n\u003cp\u003eOrbit’s brass anti-siphon valve is designed to minimize contaminants entering the household supply by providing a controlled, isolated outlet for irrigation. The combination of a precise flow-control mechanism and a sturdy brass body is built to withstand outdoor weather and repeated use, offering a practical, non‑critical solution for backflow prevention in compatible irrigation setups.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: What is the Orbit 51016 anti-siphon valve used for?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: It combines forward flow control with an atmospheric vacuum break to prevent backflow from irrigation into household lines, suited for outdoor cold-water use.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: What installation considerations should I know?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Install at least 12 inches above the highest head, often on risers, and use PVC-Lock fittings for quick, glue-free setup.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Orbit","offers":[{"title":"Default Title","offer_id":43982887780486,"sku":"B00004S22H","price":51.76,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0665\/1602\/5478\/files\/orbit-brass-anti-siphon-valve.jpg?v=1778771950","url":"https:\/\/patiozora.com\/products\/orbit-51016-3-4-inch-fpt-brass-manual-anti-siphon-sprinkler-valve-outdoor-irrigation","provider":"PatioZora","version":"1.0","type":"link"}