Belimo Z2050QPF-J+CQX24-3-T : 2-Way 1/2" ZoneTight Valve, Cv 5.9, Press Fit, Non-Spring Return Valve Actuator, 24 VAC/DC, On/Off, Floating Point Control Input, 75 Second Run Time, Terminals, NEMA 1 (IP40) Enclosure, 5-Year Warranty (MUST BE CONFIGURED BEFORE PURCHASE; please contact us at 888-739-8400. Price subject to change based on options selected) (Customized products are non-returnable and non-refundable)