The Apollo™ MVB-LF (34BLF Series) Thermostatic Mixing Valves are designed to control and limit the volumes of cold and hot water required to deliver mixed water at a predetermined temperature either from the point of source or point of use application for single or multiple fixtures. The valves are built using lead free* materials and can be configured with several design features depending on your application. Now triple listed to ASSE 1017, 1069, and 1070 and a minimum flow rate of 0.5gpm.