{"product_id":"g1-2-dn15-brass-automatic-air-vent-valve-hvac-exhaust","title":"G1\/2 DN15 Brass Automatic Air Vent Valve for HVAC Systems","description":"\n\u003ch2\u003eLEENKEA G1\/2 Brass Automatic Air Vent Valve – Reliable Air Release for HVAC \u0026amp; Exhaust Systems\u003c\/h2\u003e\n\u003cp\u003eKeep your heating, cooling, and exhaust systems running at peak efficiency with the \u003cstrong\u003eLEENKEA G1\/2 (DN15) Brass Automatic Air Vent Valve\u003c\/strong\u003e. Engineered for durability and consistent performance, this compact valve automatically releases trapped air from pipework, preventing airlocks and maintaining smooth fluid flow throughout your system.\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\u003eHigh-Temperature Resistant Brass Construction:\u003c\/strong\u003e Built from robust DN15 brass, this automatic air vent valve is engineered to withstand elevated temperatures, delivering a reliable seal and consistent performance over its lifespan.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCorrosion-Resistant Coating:\u003c\/strong\u003e Features a protective coating designed to resist moisture and water exposure, significantly enhancing longevity and preventing rust formation — ideal for wet or humid environments.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eEfficient Air Removal:\u003c\/strong\u003e Automatically eliminates excess trapped air from HVAC and exhaust systems, facilitating smooth operation and improving overall system efficiency and flow performance.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePrecision Exhaust Mechanism:\u003c\/strong\u003e Built with precision-engineered components, the exhaust mechanism guarantees dependable, efficient operation — making it a critical component in any ventilation or hydronic system.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eEasy Maintenance Design:\u003c\/strong\u003e Designed for user convenience, this valve allows for straightforward removal and reinstallation, simplifying routine cleaning and any troubleshooting efforts.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable style=\"border-collapse: collapse; width: 100%;\"\u003e\n  \u003ctr style=\"background-color: #f5f5f5;\"\u003e\n    \u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003e\u003cstrong\u003eProduct Name\u003c\/strong\u003e\u003c\/td\u003e\n    \u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003eAutomatic Air Vent Valve\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr\u003e\n    \u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n    \u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003eLEENKEA\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr style=\"background-color: #f5f5f5;\"\u003e\n    \u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003e\u003cstrong\u003eMaterial\u003c\/strong\u003e\u003c\/td\u003e\n    \u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003eBrass\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr\u003e\n    \u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003e\u003cstrong\u003eThread Size\u003c\/strong\u003e\u003c\/td\u003e\n    \u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003eG1\/2 inch (DN15)\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr style=\"background-color: #f5f5f5;\"\u003e\n    \u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003e\u003cstrong\u003eFinish\u003c\/strong\u003e\u003c\/td\u003e\n    \u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003eSilver\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr\u003e\n    \u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003e\u003cstrong\u003eBattery Required\u003c\/strong\u003e\u003c\/td\u003e\n    \u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003eNo\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr style=\"background-color: #f5f5f5;\"\u003e\n    \u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003e\u003cstrong\u003eOrigin\u003c\/strong\u003e\u003c\/td\u003e\n    \u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003eMainland China\u003c\/td\u003e\n  \u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eWhat's in the Box\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e1 × Automatic Air Vent Valve (G1\/2, DN15)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhy Choose This Air Vent Valve?\u003c\/h3\u003e\n\u003cp\u003eTrapped air in HVAC pipework, radiators, and hydronic systems causes reduced efficiency, uneven heating or cooling, and increased wear on pumps and components. The LEENKEA Automatic Air Vent Valve continuously and automatically purges air without any manual intervention — keeping your system balanced, efficient, and protected.\u003c\/p\u003e\n\n\u003cp\u003eFor more information on best practices for HVAC system maintenance and safety, visit the U.S. Department of Energy – Home Heating Systems resource. For workplace safety guidance when installing or maintaining valve systems, refer to \u003ca href=\"https:\/\/www.osha.gov\/pressure-vessels\" target=\"_blank\" rel=\"noopener noreferrer\"\u003eOSHA Pressure Vessel \u0026amp; Piping Safety\u003c\/a\u003e.\u003c\/p\u003e\n\n\u003ch3\u003eRelated Products You May Like\u003c\/h3\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\/1-1-4-inch-adjustable-washbasin-siphon-trap-leak-proof-silicone-seal\"\u003e1-1\/4\" Adjustable Washbasin Siphon Trap | Leak-Proof Silicone\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cem\u003e\u003cstrong\u003eNote:\u003c\/strong\u003e Actual product colour may vary slightly from images due to monitor brightness and lighting conditions. Please allow for minor measurement tolerances in the listed dimensions.\u003c\/em\u003e\u003c\/p\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: What is a G1\/2 automatic air vent valve used for in HVAC systems?\u003c\/h4\u003e\n\u003cp\u003eA: A G1\/2 automatic air vent valve is used to automatically release trapped air from HVAC pipework, radiators, underfloor heating systems, and other hydronic or exhaust systems. Trapped air causes airlocks that reduce efficiency and can damage pumps — this valve continuously vents air without manual intervention, keeping your system running smoothly.\u003c\/p\u003e\n\n\u003ch4\u003eQ: What does DN15 mean on this brass air vent valve?\u003c\/h4\u003e\n\u003cp\u003eA: DN15 refers to the nominal pipe diameter of 15 millimetres, which corresponds to a G1\/2 inch thread size. This is a standard size widely compatible with most residential and light commercial HVAC, heating, and plumbing systems.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Is this automatic air vent valve easy to install?\u003c\/h4\u003e\n\u003cp\u003eA: Yes. The G1\/2 threaded connection means it can be screwed directly into a compatible port on your radiator, manifold, or pipework. The valve operates automatically once installed — no tools, batteries, or electrical connections are required during normal operation. Always ensure the system pressure is at a safe level before installation.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Will this brass vent valve resist corrosion over time?\u003c\/h4\u003e\n\u003cp\u003eA: Yes. The valve is constructed from solid brass with an added protective coating that resists moisture and water exposure. This combination of materials makes it highly resistant to rust and corrosion, ensuring long-lasting, reliable performance even in demanding wet environments.\u003c\/p\u003e\n\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"What is a G1\/2 automatic air vent valve used for in HVAC systems?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"A G1\/2 automatic air vent valve is used to automatically release trapped air from HVAC pipework, radiators, underfloor heating systems, and other hydronic or exhaust systems. Trapped air causes airlocks that reduce efficiency and can damage pumps — this valve continuously vents air without manual intervention, keeping your system running smoothly.\"}}, {\"@type\": \"Question\", \"name\": \"What does DN15 mean on this brass air vent valve?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"DN15 refers to the nominal pipe diameter of 15 millimetres, which corresponds to a G1\/2 inch thread size. This is a standard size widely compatible with most residential and light commercial HVAC, heating, and plumbing systems.\"}}, {\"@type\": \"Question\", \"name\": \"Is this automatic air vent valve easy to install?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Yes. The G1\/2 threaded connection means it can be screwed directly into a compatible port on your radiator, manifold, or pipework. The valve operates automatically once installed — no tools, batteries, or electrical connections are required during normal operation. Always ensure the system pressure is at a safe level before installation.\"}}, {\"@type\": \"Question\", \"name\": \"Will this brass vent valve resist corrosion over time?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Yes. The valve is constructed from solid brass with an added protective coating that resists moisture and water exposure. This combination of materials makes it highly resistant to rust and corrosion, ensuring long-lasting, reliable performance even in demanding wet environments.\"}}]}\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\": \"Home \u0026 Living\", \"item\": \"https:\/\/oasis-select.com\/collections\/home-living\"}, {\"@type\": \"ListItem\", \"position\": 3, \"name\": \"G1\/2 DN15 Brass Automatic Air Vent Valve for HVAC Systems\", \"item\": \"https:\/\/oasis-select.com\/products\/g1-2-dn15-brass-automatic-air-vent-valve-hvac-exhaust\"}]}\u003c\/script\u003e","brand":"Oasis Select","offers":[{"title":"1pc","offer_id":47748786585705,"sku":"14:193#1pc","price":22.25,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0679\/7931\/3257\/files\/S36eefa7503b143c3b284697f7ee1781fM.webp?v=1783088583","url":"https:\/\/oasis-select.com\/products\/g1-2-dn15-brass-automatic-air-vent-valve-hvac-exhaust","provider":"Oasis Select","version":"1.0","type":"link"}