Isolation Valve Kits are made of quality material and work with all tankless water heater with 3/4'' MPT outlet. It's esay installation, compact design would provide the best user experience.
IMPORTANT: This is the Expansion PEX A Connector, not the Crimp PEX B connector. This PEX A connector is a little bigger than 3/4''. It can only work the Expansion PEX A pipe, not for the Crimp PEX B pipe
LF Clean Brass
Easy Installation and Compact Design, Fits Tankless Water Heater with 3/4'' MPT Outlet
For Hot & Cold Water, Female Thread x Expansion PEX A connection
100% leak tested, standard brass version, Pressure Relief Valve Included; Complies with NSF/ANSI 61