{"product_id":"arrowhead-1-3-16-in-fine-threaded-x-3-4-in-mht-brass-vacuum-breaker","title":"Arrowhead 1-3\/16 in. Fine Threaded X 3\/4 in. MHT Brass Vacuum Breaker","description":"\u003cdiv\u003e\n\u003cp\u003e\u003cstrong\u003eArrowhead 1-3\/16 in. Fine Threaded x 3\/4 in. MHT Brass Vacuum Breaker\u003c\/strong\u003e is a purpose-built replacement vacuum breaker designed to protect your potable water supply from backflow in outdoor irrigation, garden hose setups, and sprinkler lines. Crafted from lead-free brass, it combines durability with safety for everyday use in the field or on the job.\u003c\/p\u003e \u003ch3\u003eWhy this matters\u003c\/h3\u003e\n\u003cp\u003eBackflow prevention is essential for safeguarding drinking water whenever irrigation or water-powered equipment is connected to your home supply. This vacuum breaker provides a reliable barrier against back-siphonage, reducing the risk of contaminants entering your potable system during seasonal use or high-demand watering periods.\u003c\/p\u003e \u003ch3\u003eKey features that stand out\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eBrass, lead-free construction\u003c\/strong\u003e for long-lasting performance and safe, clean water supply.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eMax pressure 125 psi\u003c\/strong\u003e and \u003cstrong\u003emax temperature 180°F\u003c\/strong\u003e, designed to handle typical outdoor irrigation conditions and hot-water exposures near outdoor spigots.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eEnd 1: Fine Threaded\u003c\/strong\u003e with \u003cstrong\u003e1-3\/16 in\u003c\/strong\u003e size – a secure, tight seal on standard threaded connections.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eEnd 2: MHT\u003c\/strong\u003e with \u003cstrong\u003e3\/4 in\u003c\/strong\u003e size – compatibility with hose-thread fittings for versatile installation.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eReplacement vacuum breaker\u003c\/strong\u003e solution that simplifies swaps without reworking plumbing.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePackaging Type: Clamshell\u003c\/strong\u003e for visible retail presentation and easy inventory handling.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eIncluded: 1 piece per package\u003c\/strong\u003e – straightforward, single-use replacement when needed.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eIdeal applications\u003c\/h3\u003e\n\u003cp\u003eUse this vacuum breaker anywhere you need dependable backflow protection on outdoor irrigation systems, sprinkler lines, or garden setups that require a direct, low-profile connection between a fine-threaded supply and a hose-thread component. It’s a practical choice for contractors, landscapers, and DIY homeowners upgrading aging hardware or stocking spare parts for maintenance fleets.\u003c\/p\u003e \u003ch3\u003ePractical installation and care tips\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eEnsure proper alignment of End 1 (Fine Threaded) with the corresponding supply fitting and End 2 (MHT) with the hose thread connection.\u003c\/li\u003e \u003cli\u003eUse appropriate thread sealant or Teflon tape on male threads to promote a snug seal without over-tightening.\u003c\/li\u003e \u003cli\u003eAfter installation, check for leaks and operate the line to verify smooth flow and backflow protection.\u003c\/li\u003e \u003cli\u003ePeriodic inspection is recommended in outdoor environments; replace if threads show wear or the unit leaks under normal pressure.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eSpecification snapshot\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eMaterial: Brass (lead-free)\u003c\/li\u003e \u003cli\u003eMax Pressure: 125 psi\u003c\/li\u003e \u003cli\u003eMax Temperature: 180°F\u003c\/li\u003e \u003cli\u003eEnd 1 Type\/Size: Fine Threaded, 1-3\/16 in\u003c\/li\u003e \u003cli\u003eEnd 2 Type\/Size: MHT, 3\/4 in\u003c\/li\u003e \u003cli\u003eUsage: Replacement Vacuum Breaker\u003c\/li\u003e \u003cli\u003ePackaging Type: Clamshell\u003c\/li\u003e \u003cli\u003eNumber in Package: 1\u003c\/li\u003e \u003cli\u003eBrand: Arrowhead\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Arrowhead","offers":[{"title":"Default Title","offer_id":52176678813970,"sku":"4486122","price":13.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0928\/1024\/8466\/files\/4486122_A.eps_High.jpg?v=1775591142","url":"https:\/\/nationalhardwaregroup.com\/products\/arrowhead-1-3-16-in-fine-threaded-x-3-4-in-mht-brass-vacuum-breaker","provider":"National Hardware Group","version":"1.0","type":"link"}