Fisher Type P163A or P164A auxiliary remote release units allow the internal valve to be closed from a location other than the primary control point (Type P650 or P651).
Fisher P163A and P164 Auxiliary Remote Release
Types
Fisher P163A and P164 Series Auxiliary Remote Release
Fisher P163A and P164 Auxiliary Remote Release
Features
Can be Installed through Mounting Brackets up to 3/8-inch (9,5 mm) thick