Sloan Regal Vacuum Breaker 1-1/2" x 15" (V-500-AA) 110 So by converting you get

So by converting you get a touchless

Screwdriver Bak-Chek® Angle Stop with Control Stop Plug

It is Sloan model H-551-A

armature spring

Sloan Model Number: G2 8111-1

Sloan Regal Vacuum Breaker 1-1/2" x 15" (V-500-AA) 110 So by converting you getPart Number: #08058 Sloan Model Number: V500AA Sloan Code Number: 0323017 Manufacturer: Sloan This Sloan Vacuum Breaker is the following dimensions: 1 1 2 x 15 inches. Includes the old style repair kit. Chrome plated finish. Designed for closet applications. Interchangeable with V 600 AA vacuum breakers. Fits all valves. Keep in mind that the diameter of the replacement vacuum breaker needs to match the diameter of the flushometer coupling assembly.