Schneider Electric VM3313P33A000 3/4-inch, 3-Way Zone Valve

Schneider-Electric-VM3313P33A000-Zone-Valve, 3-Way Mixing, 3/4" Sweat connection, 4.0 Cv flow capacity, Proportional Modulating (0-10 VDC / 4-20 mA control input), 24 VAC power supply, Non-Spring Return (NSR / Fails in Place)