Belimo B215HT029+TFRB120 : 2-Way 1/2" High Temperature Characterized Control Valve (CCV), Cv 0.29, Stainless Steel Ball and Stem, Spring Return Control Valve Actuator, 120VAC, 22 in-lb, On/Off Control Input, <75 Second Run Time, <75 Second Spring Return, 5-Year Warranty