Belimo Z2050QS-J+CQKB24-SR-RL SKU: Z2050QS-J+CQKB24-SR-RL $239.40 $532.00 Quantity -+ Factory Stock Details Belimo Z2050QS-J+CQKB24-SR-RL : 2-Way 1/2" ZoneTight Zone Valve, Sweat End Fitting, Cv 0.5 - 5.9, Electronic Fail-Safe Valve Actuator, 24VAC, 2-10VDC ... Data Sheet Installation Instructions DetailsData SheetInstallation Instructions Back Belimo Z2050QS-J+CQKB24-SR-RL : 2-Way 1/2" ZoneTight Zone Valve, Sweat End Fitting, Cv 0.5 - 5.9, Electronic Fail-Safe Valve Actuator, 24VAC, 2-10VDC (4-20mA) Proportional Control Signal, Normally Close/Fail Open, 5-Year Warranty Back Back Stocked items ship in 1 business day. Factory items typically ship in 3-5 business days (estimate only). Actual times may vary.Email sales@energycontrol.com for more information.