3/4 In Brass Hose Connection Vacuum Breaker Backflow Preventer, Non-removable, Chrome Finish_This 3/4 inch 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 a brass body construction, stainless steel working parts, and a rubber diaphragm and disc. It is furnished with exclusive non-removable feature and equipped to allow sill cock to be drained. This hose bibb 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. The maximum pressure is 125 psi (8.6 bar)._Non-removable once installed_Brass body_No special tools required for servicing_Chrome finish_Specifications_Backflow Preventer Type Vacuum Breaker_Body Finish Chrome_Body Material Brass_Body Pattern Does Not Apply To Product_Brand Watts_Buy American Act Compliant NO_Bypass No_Bypass Size Does Not Apply To Product_Cap And Tether No_Disc Material Rubber_EAN 098268006681_Elbow Fitting No_Hazard Protection Level Health Hazard_Hot And Harsh Water No_Hydrant Connection No_Inlet Connection Size 3/4 IN_Inlet Connection Size-Metric 20 MM_Inlet Connection Type Female Threaded_Inlet Shutoff Valve Type No Shutoff Valve_Inlet Thread Type GHT_Lead Free NO_Maximum Temperature-Fahrenheit 180_Maximum Working Pressure-BAR 8.60_Maximum Working Pressure-PSI 125_Meter Type No Meter_Minimum Temperature - Celsius 1.00_Minimum Temperature-Fahrenheit 33_Outlet Connection Size 3/4 IN_Outlet Connection Type Male Threaded_Outlet Shutoff Valve Type No Shutoff Valve_Outlet Thread Type GHT_Part Number 0063055_Polymer Coating No_Pressure Operation Continuous_Protection Type Backsiphonage_Series 8_Strainer No_Type Kit