Belimo B209B+TR24-3-T US : 2-Way 1/2" Characterized Control Valve (CCV), Cv 0.8, Chrome Plated Brass Ball and Nickel Plated Stem, Non-Spring Return Control Valve Actuator, 24VAC, 18 in-lb, On/Off, Floating Point Input, Terminal Strip, 90 Second Run Time, 5-Year Warranty
