{"product_id":"upgraded-3-4ft-720a-pressure-vacuum-breaker-assembly-thick-brass-pvb","title":"UPGRADED 3\/4ft 720A Pressure Vacuum Breaker Assembly - Thick Brass PVB","description":"\u003cp\u003eIn this review of the UPGRADED 3\/4' 720A Pressure Vacuum Breaker Assembly the bottom line is simple: it is a robust, straightforward backflow preventer built for irrigation and outdoor water systems where durable sealing and pressure resistance matter. The reviewer found the unit's switch to a sealant-based seal and its thickened brass construction to be the single biggest reasons to choose it for residential or light commercial sprinkler and cooling loop protection, especially where systems see variable pressure and the risk of back-siphonage is a concern.\u003c\/p\u003e\n\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n \u003cli\u003e\n\u003cstrong\u003eSealant-based sealing:\u003c\/strong\u003e Uses a durable sealant instead of Teflon tape to reduce deterioration and maintain a reliable seal under sustained pressure.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eThickened brass body:\u003c\/strong\u003e Heavy brass construction improves corrosion and oxidation resistance for longer service life in outdoor installations.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eHigh pressure capacity:\u003c\/strong\u003e Rated for use up to 400 PSI, offering confidence in systems that experience high or fluctuating pressure.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eAutomatic vacuum break:\u003c\/strong\u003e Automatically admits air when pressure drops to prevent back-siphonage and protect potable supplies.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eClear flow direction:\u003c\/strong\u003e The unit shows water flow direction regardless of installation orientation, simplifying correct fitting during setup.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eIncluded installation guidance:\u003c\/strong\u003e Comes with instructions that cover installation and troubleshooting to help installers avoid common errors.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eWho It's For\u003c\/h2\u003e\n\u003cp\u003eThe 3\/4' 720A PVB is best for homeowners, landscapers, and light commercial sites that need a compact backflow preventer for sprinkler systems, irrigation lines, or small cooling circuits. Its thickened brass and sealant-based design make it suitable where outdoor exposure and pressure variability are expected.\u003c\/p\u003e\n\u003cp\u003eThose working on very large municipal systems or who require specialty certified assemblies for heavy industrial waterworks should look elsewhere; this unit is aimed at residential and small commercial plumbing and irrigation protection rather than large-scale industrial installations.\u003c\/p\u003e\n\n\u003ch2\u003ePros \u0026amp; Cons\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003ePros\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n \u003cli\u003eDurable sealant instead of tape reduces the chance of seal failure over time.\u003c\/li\u003e\n \u003cli\u003eRobust thickened brass body resists corrosion and handles demanding outdoor conditions.\u003c\/li\u003e\n \u003cli\u003eAutomatic vacuum break function reliably protects against back-siphonage when pressure drops.\u003c\/li\u003e\n \u003cli\u003eHigh 400 PSI maximum rating provides margin for higher-pressure systems.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eCons\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n \u003cli\u003eUnscrewing the valve will destroy the internal PVB seal, so servicing must be done with care or by replacement rather than disassembly.\u003c\/li\u003e\n \u003cli\u003eNot positioned as a specialty industrial-grade backflow assembly for large municipal applications.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable\u003e\n \u003ctr\u003e\n\u003ctd\u003eModel\u003c\/td\u003e\n\u003ctd\u003e720A Pressure Vacuum Breaker Assembly\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003eConnection size\u003c\/td\u003e\n\u003ctd\u003e3\/4' (in)\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003eMaximum pressure\u003c\/td\u003e\n\u003ctd\u003eMax 400 PSI\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003eBody material\u003c\/td\u003e\n\u003ctd\u003eThickened brass\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003eSealing method\u003c\/td\u003e\n\u003ctd\u003eSealant (do not use Teflon tape)\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003ePrimary use\u003c\/td\u003e\n\u003ctd\u003eIrrigation, sprinkler and cooling systems\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003eWarranty\u003c\/td\u003e\n\u003ctd\u003e18-month warranty\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003eOur Verdict\u003c\/h2\u003e\n\u003cp\u003eThe UPGRADED 3\/4' 720A Pressure Vacuum Breaker Assembly is a sensible, value-oriented choice for residential and small commercial irrigation and sprinkler protection. Its sealant sealing approach and thickened brass construction give practical durability, and the 400 PSI rating offers extra reliability; installers should avoid disassembling the valve to preserve the internal seal.\u003c\/p\u003e\n\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eCan this unit be used on a garden irrigation system?\u003c\/strong\u003e\u003cbr\u003eYes, it is intended for outdoor garden irrigation and sprinkler systems to prevent backflow into the potable supply.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat happens if I unscrew the valve for service?\u003c\/strong\u003e\u003cbr\u003eUnscrewing the valve will destroy the internal PVB seal, so servicing by disassembly is not recommended and replacement may be required.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs Teflon tape required when installing?\u003c\/strong\u003e\u003cbr\u003eNo, the manufacturer specifies using sealant instead of Teflon tape to maintain the designed seal performance.\u003c\/p\u003e","brand":"LTLUO","offers":[{"title":"Default Title","offer_id":48680298053851,"sku":"B0FG2C78JB","price":99.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/1043\/1707\/files\/61kRf-UKx5L._SL1500.jpg?v=1778632029","url":"https:\/\/gearmusthave.com\/products\/upgraded-3-4ft-720a-pressure-vacuum-breaker-assembly-thick-brass-pvb","provider":"GearMustHave","version":"1.0","type":"link"}