Thrifco 4500133 V-551-A Vacuum Breaker Repair Kit for Sloan Regal and Royal, Replaces 3323192

The Thrifco Plumbing V-551-A vacuum breaker repair kit is an aftermarket replacement kit for compatible Sloan Regal and old-style Royal flushometers using the V-551-A / 3323192 vacuum breaker style. The vacuum breaker helps allow water to flow through the flushometer while helping prevent reverse siphoning after the flush cycle. This kit includes the vacuum breaker insert, plastic spreader, and fiber washer. Match the V-551-A reference, Sloan 3323192 reference number, and existing vacuum breaker style to confirm the correct replacement.