Johnson Controls D-3246-1 Damper Actuator Els PW 29614 this atmospheric vacuum breaker stands

this atmospheric vacuum breaker stands out due to its technical resilience against water hammer shock and its 125 PSI maximum working pressure rating

and four specialized diaphragms

Do I need to replace the adapter sleeve when installing this

or high voltage spikes are common causes

the 100208613 is the updated manufacturer part number and is functionally and physically identical to VAL2939 and VAL2939K

Johnson Controls D-3246-1 Damper Actuator Els PW 29614 this atmospheric vacuum breaker standsThe Johnson Controls D 3246 1 Damper Actuator is a high performance pneumatic piston actuator designed for the precise positioning of large dampers and VF series butterfly valves in commercial HVACR systems. Built for durability, this unit features a die cast aluminum body and a 23. 4 sq. in. synthetic elastomer diaphragm, providing the high force output required for demanding air handling applications. The D 3246 1 is swivel mounted and includes a