{"product_id":"automatic-brass-air-vent-valve-dn10-dn15-dn20-dn25-central-heating-radiator","title":"Automatic Brass Air Vent Valve DN10–DN25 | Radiator Heating","description":"\n\u003ch2\u003eAutomatic Brass Exhaust Valve – DN10 \/ DN15 \/ DN20 \/ DN25\u003c\/h2\u003e\n\u003cp\u003eKeep your central heating system running at peak efficiency with this \u003cstrong\u003eAutomatic Brass Air Release Valve\u003c\/strong\u003e. Available in DN10, DN15, DN20, and DN25 thread sizes, this high-precision valve automatically purges trapped air from radiator systems — no tools, electricity, or manual intervention required. Made in Mainland China.\u003c\/p\u003e\n\n\u003ch3\u003eWhy Choose This Air Vent Valve?\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePremium Brass Construction:\u003c\/strong\u003e Solid brass body delivers outstanding corrosion resistance and long-lasting durability, even in high-temperature, high-humidity heating environments.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHigh-Temperature \u0026amp; Rust Resistant:\u003c\/strong\u003e Engineered to withstand the demanding conditions of central heating systems, ensuring a reliable, leak-free seal season after season.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePrecision-Cast Components:\u003c\/strong\u003e Every internal part is cast with high precision for a consistently reliable exhaust mechanism — no air lock, no fuss.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eStandard Thread Sizing:\u003c\/strong\u003e DN10, DN15, DN20, and DN25 thread sizes conform to standard pipe fittings for quick, straightforward installation — no specialist plumber required.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eElectricity-Free Operation:\u003c\/strong\u003e Fully automatic and passive — no power source needed. The valve self-regulates to vent air as it accumulates.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eIdeal Replacement Part:\u003c\/strong\u003e A perfect drop-in replacement for worn or damaged control valves on radiator systems, keeping your heating performing optimally.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eGold Finish:\u003c\/strong\u003e Classic gold-toned brass aesthetic that suits both modern and traditional radiator setups.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eProduct Specifications\u003c\/h3\u003e\n\u003ctable style=\"width:100%; border-collapse: collapse;\"\u003e\n  \u003ctr style=\"background:#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\u003eColor\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003eGold\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr style=\"background:#f5f5f5;\"\u003e\n\u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003e\u003cstrong\u003eAvailable Sizes\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003eDN10, DN15, DN20, DN25\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003e\u003cstrong\u003eOperation\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003eAutomatic (Electricity-Free)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr style=\"background:#f5f5f5;\"\u003e\n\u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003e\u003cstrong\u003ePackage Contents\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003e1 x Automatic Exhaust Valve\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003e\u003cstrong\u003eCountry of Origin\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003eMade in Mainland China\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eInstallation Notes\u003c\/h3\u003e\n\u003cp\u003ePlease allow 2–3% dimensional variance due to manual measurement — refer to size charts and product images for guidance. Screen colour calibration may cause slight colour variations between the image and the actual product.\u003c\/p\u003e\n\n\u003ch3\u003eRelated Products You May Like\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/stainless-steel-self-tapping-screws-m2-2-m4-8-phillips-wood-hinge\"\u003e10PCS Stainless Steel Self-Tapping Screws M2.2–M4.8 Phillips\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/10pcs-broom-handle-grip-sleeve-22mm-high-elasticity-nonslip-plastic-mop-stick-replacement-end-cap-for-home-cleaning-universal\"\u003e10Pcs Broom Handle Grip Sleeve – Nonslip Replacement End Cap\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/10pcs-no-drill-non-trace-screw-hooks-5-7x5-7cm-thick-adhesive-invisible-picture-hanging-kit-for-photo-frame-keys\"\u003e10Pcs No-Drill Non-Trace Screw Hooks – Adhesive Hanging Kit\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eLearn more: \u003ca href=\"https:\/\/www.osha.gov\/personal-protective-equipment\" target=\"_blank\" rel=\"noopener\"\u003eOSHA on personal protective equipment\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: What thread sizes does this automatic brass exhaust valve come in?\u003c\/h4\u003e\n\u003cp\u003eA: This automatic air release valve is available in four standard thread sizes: DN10, DN15, DN20, and DN25 — covering the most common radiator and central heating pipe fittings for a versatile, compatible fit.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Does this air vent valve require electricity or batteries to operate?\u003c\/h4\u003e\n\u003cp\u003eA: No — this valve is completely electricity-free. It operates automatically and passively, venting trapped air from your heating system without any power source, wiring, or manual adjustment.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Is this valve suitable as a replacement for a damaged radiator air vent?\u003c\/h4\u003e\n\u003cp\u003eA: Yes. This automatic exhaust valve is designed as a direct replacement for worn or damaged air vent valves on central heating radiator systems. The standard thread sizing ensures compatibility with most existing installations for a straightforward swap.\u003c\/p\u003e\n\n\u003ch4\u003eQ: How durable is the brass construction in a central heating environment?\u003c\/h4\u003e\n\u003cp\u003eA: Solid brass is an ideal material for heating applications — it is highly resistant to corrosion and rust, handles elevated temperatures with ease, and provides a reliable, long-lasting seal. Precision-cast internal components further ensure consistent performance over time.\u003c\/p\u003e\n\u003c!-- production-packaging-notice --\u003e\n\u003ch3\u003eProduction \u0026amp; Packaging Notice\u003c\/h3\u003e\n\u003cp\u003eTo maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"What thread sizes does this automatic brass exhaust valve come in?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"This automatic air release valve is available in four standard thread sizes: DN10, DN15, DN20, and DN25 — covering the most common radiator and central heating pipe fittings for a versatile, compatible fit.\"}}, {\"@type\": \"Question\", \"name\": \"Does this air vent valve require electricity or batteries to operate?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"No — this valve is completely electricity-free. 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Precision-cast internal components further ensure consistent performance over time.\"}}]}\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:\/\/68k0rh-yt.myshopify.com\/\"}, {\"@type\": \"ListItem\", \"position\": 2, \"name\": \"Home page\", \"item\": \"https:\/\/68k0rh-yt.myshopify.com\/collections\/frontpage\"}, {\"@type\": \"ListItem\", \"position\": 3, \"name\": \"Automatic Brass Air Vent Valve DN10–DN25 | Radiator Heating\", \"item\": \"https:\/\/68k0rh-yt.myshopify.com\/products\/automatic-brass-air-vent-valve-dn10-dn15-dn20-dn25-central-heating-radiator\"}]}\u003c\/script\u003e","brand":"Richie's","offers":[{"title":"DN25","offer_id":57574024839334,"sku":"1005012833013713-DN25","price":55.42,"currency_code":"USD","in_stock":true},{"title":"DN10","offer_id":57574024872102,"sku":"1005012833013713-DN10","price":34.35,"currency_code":"USD","in_stock":true},{"title":"DN20","offer_id":57574024904870,"sku":"1005012833013713-DN20","price":35.75,"currency_code":"USD","in_stock":true},{"title":"DN15","offer_id":57574024937638,"sku":"1005012833013713-DN15","price":34.27,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0785\/2182\/7494\/files\/S9d20d602a6e140eb9be79525fb1825eel.webp?v=1791237678","url":"https:\/\/richiesmart.com\/products\/automatic-brass-air-vent-valve-dn10-dn15-dn20-dn25-central-heating-radiator","provider":"Richie's","version":"1.0","type":"link"}