{"product_id":"boltigen-8-frost-free-anti-siphon-sillcock-valve-lead-free-brass-1-2-npt-to-3-4-ght","title":"Boltigen 8\" Frost-Free Anti-Siphon Sillcock Valve — Lead-Free Brass, 1\/2\" NPT to 3\/4\" GHT","description":"\u003cstrong\u003eBoltigen's 8-inch anti-siphon frost-free sillcock is a lead-free brass outdoor faucet designed to stop backflow and prevent frozen, burst pipes while delivering a standard 3\/4\" GHT hose connection.\u003c\/strong\u003e\n\n\u003cp\u003eThis frost-proof sillcock blends freeze protection with anti-siphon safety in a durable, chrome-plated lead-free brass body. Built with an extended 8\" stem to keep the valve seat inside heated wall cavities, the unit reduces the risk of ice blockages and water damage. The 1\/2\" NPT male inlet threads make for straightforward plumbing connections, and the 3\/4\" GHT hose bibb fits most garden hoses and watering tools.\u003c\/p\u003e\n\n\u003ch3\u003eHow does this sillcock prevent freezing and burst pipes?\u003c\/h3\u003e\n\u003cp\u003eThe extended 8-inch stem positions the valve seat deeper inside the building envelope so water drains back into the warm interior when closed. This frost-free design reduces standing water in the exposed portion of the spigot, which lowers the chance of ice formation and pipe fractures.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e8\" stem length keeps water and valve seat inside heated wall.\u003c\/li\u003e\n  \u003cli\u003eInternal seat allows complete drainage when closed.\u003c\/li\u003e\n  \u003cli\u003eChrome-plated brass resists corrosion that can trap moisture.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat makes this an anti-siphon (backflow-preventing) sillcock?\u003c\/h3\u003e\n\u003cp\u003eThe integrated anti-siphon mechanism ensures that contaminated water cannot be drawn back into your potable supply if there is a pressure change. This passive safeguard is especially useful for outdoor taps connected to hoses, fertilizer injectors, or irrigation equipment.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eBuilt-in anti-siphon feature blocks backflow during pressure loss.\u003c\/li\u003e\n  \u003cli\u003eSuitable for potable water use thanks to lead-free brass construction.\u003c\/li\u003e\n  \u003cli\u003eReduces cross-connection risk when hoses or sprayers are attached.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow does it connect to my plumbing and hoses?\u003c\/h3\u003e\n\u003cp\u003eInstallation is simple: the sillcock threads into a 1\/2\" NPT female supply connection and terminates with a standard 3\/4\" GHT hose thread for quick hose attachment. The ergonomic hose bibb design makes hooking up and removing hoses easier while minimizing leaks at the connection point.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e1\/2\" NPT male inlet for standard threaded pipe fittings.\u003c\/li\u003e\n  \u003cli\u003e3\/4\" GHT outlet fits most common garden hoses and accessories.\u003c\/li\u003e\n  \u003cli\u003eThreaded design helps create a secure, leak-resistant joint.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat materials and durability features should I expect?\u003c\/h3\u003e\n\u003cp\u003eThe Boltigen sillcock is machined from lead-free brass and finished with chrome plating to extend service life in outdoor conditions. These materials resist corrosion and scaling, helping the valve operate smoothly season after season without introducing lead into potable water systems.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eLead-free brass body suitable for drinking water systems.\u003c\/li\u003e\n  \u003cli\u003eChrome plating increases corrosion and wear resistance.\u003c\/li\u003e\n  \u003cli\u003eRugged construction suited for replacement or new-build use.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: The Boltigen 8\" anti-siphon frost-free sillcock is aimed at homeowners, builders, and maintenance professionals who need a reliable outdoor water tap that protects against freezing and backflow. It’s ideal for exterior walls in climates with cold winters, for new installations where code or best practice requires backflow prevention, and for anyone retrofitting an older sillcock with a safer, lead-free replacement. If you want a straightforward, durable hose bibb with standard plumbing connections and built-in safety features, this model covers those needs without complex installation steps.\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: Can I use this sillcock with potable water?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. The Boltigen sillcock is made from lead-free brass and is suitable for potable water applications.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Will it stop my pipe from freezing?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: It reduces freeze risk by locating the valve seat inside a heated wall with an 8\" stem, but proper winterization is still recommended.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Boltigen","offers":[{"title":"Default Title","offer_id":56831434326356,"sku":"B0DNJF87G2","price":51.94,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1063\/2652\/4244\/files\/boltigen-front-view-frost-free-sillcock_bba8e716-a881-499c-9f77-265069c75042.jpg?v=1787016038","url":"https:\/\/gardenluxe.co.uk\/products\/boltigen-8-frost-free-anti-siphon-sillcock-valve-lead-free-brass-1-2-npt-to-3-4-ght","provider":"Gardenluxe Uk","version":"1.0","type":"link"}