WATTS® 0792085 Vacuum Breaker, 3/4 in Nominal, Female Hose Threaded x Male Hose Threaded End Style, Copper Silicon Alloy Body, Import

This 3/4 inch lead free hose connection vacuum breaker backflow preventer permits the attachment of portable hoses to hose thread faucets and prevents the reverse flow of polluted water into the potable water supply due to backsiphonage. It consists of stainless steel working parts, and a rubber diaphragm and disc. It is secured with allen head set screw. It is ideal for inside and outside, health hazard installations requiring non-continuous pressure such as service sinks, swimming pools, photo developing tanks, laundry tubs, wash racks, dairy barns, marinas, and general outside gardening uses. Check with local inspection authorities for installation requirements. Maximum pressure is 125 psi (8.6 bar).