Watts 2 1 2 LFFBVS 3C M1 Part of the LFFBV 3C M1 Series Woven Fabric This 3 4 inch lead free This 3 4 inch lead free dual check vacuum breaker backflow preventer prevents the reverse flow of polluted water from entering into the potable water supply This 1 IN sweat microbubble air separator is designed for efficient separation and elimination of entrained air in hydronic heating systems virgin PTFE seat Specifications Actuation No Assembled Dry No Balance Stop Plate No Ball Material Chrome Plated Brass Body Finish Brass Body Material Lead Free Copper Silicon Alloy Brand Watts Buy American Act Compliant NO Class Rating Does Not Apply To Product Control Type Lever Handle CV Rating Does Not Apply To Product EAN 098268163995 Electrical Rating Does Not Apply To Product Inlet Connection Size 2 1 2 IN Inlet Connection Size Metric 65 MM Inlet Connection Type Socket Inlet Thread Type Does Not Apply To Product Lead Free YES Maximum Temperature Fahrenheit 400 Minimum Temperature Celsius 18