Kozyvacu 3/4-Inch IPS Isolator Tankless Water Heater Service Valve Kit with Clean Brass Construction (FNPTxFNPT) - Lead free - meets all federal & state standards for lead levels in Drinking water system components - 3/4 IPS lead free isolator with lead free pressure relief valve - Hot and cold set tankless water heater service valve with female NPT connectors - Full port brass ball valves with adjustable packing gland - Hi-flow hose drains ( 500 WOG) &pressure relief valve ( 150 psi/200K BTU)