Belimo B220+TFRB24-SR : 2-Way 3/4" Characterized Control Valve (CCV), Cv 14, Stainless Steel Ball and Stem, Spring Return Control Valve Actuator, 24VAC/DC, 22 in-lb, 2-10VDC (4-20mA) Proportional Control Input, 95 Second Run Time, <25 Second Spring Return, 5-Year Warranty