{"product_id":"pro-grade-anti-siphon-valve-with-flow-control-for","title":"Pro Grade Anti Siphon Valve With Flow Control For Above Ground Sprinklers, Three Quarter Inch Female To Female Threads, Works With Standard Sprinkler Timers, Manual Bleed Screw, Easy Install Backflow Prevention","description":"\u003cdiv\u003eProfessional 3\/4 Inch Anti-Siphon Valve with Flow Control\u003cbr\u003e\n✔️ 3\/4 inch anti-siphon valve with flow control; above-ground unit \u003cp\u003eDesigned for above-ground irrigation setups, this professional-grade anti-siphon valve prevents backflow and protects your water supply. It installs at least 6 inches above the highest sprinkler head and works with standard 24V timers for easy system upgrades.\u003c\/p\u003e \u003cp\u003e✅ 3\/4 inch female-to-female thread inlet\/outlet compatible with standard timers\u003cbr\u003e\n✅ Flow control knob on top for zone tuning and uniform coverage\u003cbr\u003e\n✅ Automatic and manual bleed screw for easy startup and testing\u003cbr\u003e\n✅ Reverse flow design reduces diaphragm stress and prevents flooding\u003cbr\u003e\n✅ Buna-N diaphragm handles harsh water environments\u003cbr\u003e\n✅ Flow range 0.2 to 22 GPM; operating pressure 15 to 150 psi\u003cbr\u003e\n✅ Above-ground installation requires maintaining 6 inches above the highest head\u003cbr\u003e\n✅ For low flows (\u0026lt;3 GPM) or drip setups, install a 200 mesh filter before the valve\u003cbr\u003e\n✅ Heavy-duty construction with stainless steel screws\u003cbr\u003e\n\u003c\/p\u003e \u003cp\u003e💡 What is an anti siphon valve used for in irrigation systems?\u003c\/p\u003e\n\u003cp\u003eHandy summary: it prevents backflow and helps protect your water supply while keeping irrigation zones efficient.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eBackflow prevention protects potable water and irrigation lines\u003c\/li\u003e\n\u003cli\u003eFlow control allows precise zone tuning and reduces misting\u003c\/li\u003e\n\u003cli\u003eAbove-ground installation with 3\/4 inch connections is straightforward\u003c\/li\u003e\n\u003cli\u003eDesigned to work with standard 24V timers\/controllers\u003c\/li\u003e\n\u003c\/ul\u003e \u003c\/div\u003e","brand":"Amazon","offers":[{"title":"Default Title","offer_id":48207146057963,"sku":"VXB00004RAAZ","price":49.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0662\/3268\/0683\/files\/916ysT48o1L.jpg?v=1778813032","url":"https:\/\/vxb.com\/products\/pro-grade-anti-siphon-valve-with-flow-control-for","provider":"VXB Bearings","version":"1.0","type":"link"}