Watts SS 2.5 TR TXG 6X6 Part of the TR2 Series Woven Fabric This 3 4 inch lead free This 3 4 inch lead free pressure vacuum breaker backflow preventer prevents the reverse flow of polluted water from entering into the potable water supply due to backsiphonage Specifications Actuation No Assembled Dry Yes Balance Stop Plate No Ball Material 316 Stainless Steel Body Finish Bronze Body Material Bronze Brand Watts Buy American Act Compliant YES Class Rating Does Not Apply To Product Control Type Lever Handle CV Rating Does Not Apply To Product EAN 098268764178 Electrical Rating Does Not Apply To Product Inlet Connection Size 3 4 IN Inlet Connection Size Metric 20 MM Inlet Connection Type Socket Inlet Thread Type Does Not Apply To Product Lead Free YES Maximum Temperature Fahrenheit 400 Minimum Temperature Celsius 40 6 x 6 foot stainless steel transition riser is used to connect to the main building overhead fire system or potable water supply The fitting passes under the foundation without joints and extends up through the floor