Belimo WGVL+AVKX24-3 : WGVL Warren Globe Valve Linkage Retrofit Kit, Electonic Fail-Safe Valve Actuator, 24 VAC, 450LBF, On/Off, Floating Point Control Input, 90 Second Run Time, <35 Second Fail-Safe, 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)