2-Way 1/2" Terminal Unit Valve, Cv 0.63, Normally Closed, Stainless Steel Trim, F x UM Connection, Spring Return Electronic Valve Actuator, 24 VAC/DC, 90 in-lb, Proportional 0-10 VDC, Proportional 4-20 mA, 30 Second Run Time, <14 Second Spring Return