{"product_id":"2-pack-air-vacuum-relief-valve-3-4-1-inch-bs-thread-drip-irrigation","title":"2-Pack Air \u0026 Vacuum Relief Valve 3\/4 \u0026 1 Inch BS Thread Irrigation","description":"\n\u003ch2\u003e2-Pack Automatic Air \u0026amp; Vacuum Relief Valves — Built for Reliable Water Flow\u003c\/h2\u003e\n\u003cp\u003eKeep your drip irrigation system, water tank, or garden water line running smoothly with this \u003cstrong\u003eset of 2 Automatic Air \u0026amp; Vacuum Relief Valves\u003c\/strong\u003e. Designed with a \u003cstrong\u003eBS (British Standard) thread connection\u003c\/strong\u003e, these valves automatically release trapped air and prevent vacuum lock — ensuring consistent, uninterrupted water flow throughout your irrigation network.\u003c\/p\u003e\n\u003cp\u003eConstructed from durable \u003cstrong\u003ePP (polypropylene) plastic\u003c\/strong\u003e, these lightweight yet robust valves are built to withstand pressures up to \u003cstrong\u003e850 kPa\u003c\/strong\u003e, making them suitable for a wide range of residential and agricultural water systems. Available in both \u003cstrong\u003e3\/4 inch and 1 inch\u003c\/strong\u003e male connector sizes to suit various pipe configurations.\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eMade in Mainland China.\u003c\/em\u003e\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAutomatic Operation:\u003c\/strong\u003e Releases trapped air and relieves vacuum conditions automatically — no manual intervention needed\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDual Size Pack:\u003c\/strong\u003e Includes one 3\/4 inch and one 1 inch valve, or a pair of your chosen size, for flexible installation\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBS Thread Standard:\u003c\/strong\u003e Compatible with British Standard male connector fittings for secure, leak-free connections\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHigh-Pressure Rating:\u003c\/strong\u003e Rated up to 850 kPa, suitable for demanding drip irrigation and water tank systems\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDurable PP Construction:\u003c\/strong\u003e Corrosion-resistant polypropylene material for long-lasting outdoor performance\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWide Compatibility:\u003c\/strong\u003e Ideal for water tanks, drip irrigation lines, garden water systems, and more\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eNo Harmful Chemicals:\u003c\/strong\u003e Free from high-concern chemicals for safe use in garden and irrigation applications\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaterial\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePP (Polypropylene) Plastic\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eConnection Standard\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eBS (British Standard) Thread\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eConnector Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMale Connector\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSizes Available\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e3\/4 Inch \u0026amp; 1 Inch\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMax Pressure\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u0026lt; 850 kPa\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eQuantity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e2 Pieces per Pack\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eHigh-Concern Chemicals\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eNone\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOrigin\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMade in Mainland China\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eWhat Is an Air \u0026amp; Vacuum Relief Valve?\u003c\/h3\u003e\n\u003cp\u003eAir and vacuum relief valves are critical components in pressurized water systems. They automatically \u003cstrong\u003event trapped air\u003c\/strong\u003e during filling and \u003cstrong\u003eprevent vacuum siphoning\u003c\/strong\u003e when the system drains — protecting pipes, emitters, and water tank infrastructure from damage caused by pressure imbalances. Learn more about efficient irrigation design from the EPA WaterSense Irrigation resource.\u003c\/p\u003e\n\n\u003ch3\u003eGreat Pairing Products\u003c\/h3\u003e\n\u003cp\u003eComplete your garden irrigation setup with these related items from our store:\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/1-inch-threaded-brass-ball-valve-water-gas-oil-flow-control\"\u003e1-Inch Threaded Brass Ball Valve – Water, Gas \u0026amp; Oil Flow Control\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/1-inch-impact-rocker-sprinkler-adjustable-rotating-irrigation\"\u003e1-Inch Impact Rocker Sprinkler – Adjustable Rotating Irrigation\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eLearn more: \u003ca href=\"https:\/\/en.wikipedia.org\/wiki\/Valve\" target=\"_blank\" rel=\"noopener\"\u003eValve\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: What size pipes are these air and vacuum relief valves compatible with?\u003c\/h4\u003e\n\u003cp\u003eA: These valves are available in \u003cstrong\u003e3\/4 inch and 1 inch\u003c\/strong\u003e sizes with a \u003cstrong\u003eBS (British Standard) male thread connection\u003c\/strong\u003e. This pack includes two valves — check your product variant selection for the specific size combination. They are compatible with standard BS-threaded irrigation fittings and water tank connectors.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Where should I install an air and vacuum relief valve in my drip irrigation system?\u003c\/h4\u003e\n\u003cp\u003eA: Air and vacuum relief valves are typically installed at the \u003cstrong\u003ehighest point\u003c\/strong\u003e of an irrigation line or water tank outlet where air is most likely to accumulate. This ensures air is expelled efficiently during system pressurisation and vacuum lock is prevented when the system depressurises or drains.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Are these valves suitable for outdoor and agricultural use?\u003c\/h4\u003e\n\u003cp\u003eA: Yes. Made from \u003cstrong\u003ecorrosion-resistant PP (polypropylene) plastic\u003c\/strong\u003e and rated up to \u003cstrong\u003e850 kPa\u003c\/strong\u003e, these valves are well-suited for outdoor garden systems, drip irrigation networks, and agricultural water tank installations. They are free from high-concern chemicals, making them appropriate for use in garden water systems.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Do these valves require any special tools to install?\u003c\/h4\u003e\n\u003cp\u003eA: No special tools are required. Simply \u003cstrong\u003ehand-tighten or use a standard wrench\u003c\/strong\u003e to thread the male BS connector into your compatible female fitting. Ensure the thread direction and size match your existing fittings before installation for a secure, leak-free seal.\u003c\/p\u003e\n\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"What size pipes are these air and vacuum relief valves compatible with?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"These valves are available in 3\/4 inch and 1 inch sizes with a BS (British Standard) male thread connection. This pack includes two valves — check your product variant selection for the specific size combination. They are compatible with standard BS-threaded irrigation fittings and water tank connectors.\"}}, {\"@type\": \"Question\", \"name\": \"Where should I install an air and vacuum relief valve in my drip irrigation system?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Air and vacuum relief valves are typically installed at the highest point of an irrigation line or water tank outlet where air is most likely to accumulate. This ensures air is expelled efficiently during system pressurisation and vacuum lock is prevented when the system depressurises or drains.\"}}, {\"@type\": \"Question\", \"name\": \"Are these valves suitable for outdoor and agricultural use?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Yes. Made from corrosion-resistant PP (polypropylene) plastic and rated up to 850 kPa, these valves are well-suited for outdoor garden systems, drip irrigation networks, and agricultural water tank installations. 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Ensure the thread direction and size match your existing fittings before installation for a secure, leak-free seal.\"}}]}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"BreadcrumbList\", \"itemListElement\": [{\"@type\": \"ListItem\", \"position\": 1, \"name\": \"Home\", \"item\": \"https:\/\/oasis-select.com\/\"}, {\"@type\": \"ListItem\", \"position\": 2, \"name\": \"Outdoor \u0026 Sports\", \"item\": \"https:\/\/oasis-select.com\/collections\/outdoor-sports\"}, {\"@type\": \"ListItem\", \"position\": 3, \"name\": \"2-Pack Air \u0026 Vacuum Relief Valve 3\/4 \u0026 1 Inch BS Thread Irrigation\", \"item\": \"https:\/\/oasis-select.com\/products\/2-pack-air-vacuum-relief-valve-3-4-1-inch-bs-thread-drip-irrigation\"}]}\u003c\/script\u003e","brand":"Oasis Select","offers":[{"title":"0.75 inch-2pcs","offer_id":47748067360873,"sku":"166:366006#0.75 inch-2pcs","price":52.01,"currency_code":"USD","in_stock":true},{"title":"1 inch-2pcs","offer_id":47748067393641,"sku":"166:366002#1 inch-2pcs","price":52.01,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0679\/7931\/3257\/files\/S3265cc7dee7446c4b132dd32496fb710m.webp?v=1783080992","url":"https:\/\/oasis-select.com\/products\/2-pack-air-vacuum-relief-valve-3-4-1-inch-bs-thread-drip-irrigation","provider":"Oasis Select","version":"1.0","type":"link"}