Sloan Regal and Old Style Royal (Before 1998) Flushometer Parts Breakdown and Troubleshooting Guide

Below is the parts breakdown for the Sloan Regal and Old Style Royal (Before 1998) Flushometers. Wrong version? See the Sloan Royal Flushometer since 1998 Parts Breakdown or the Sloan Royal Optima Plus Parts Breakdown instead. The reason that this breakdown is for Royal flushometers made before 1998, is because in 1998, the design of Royal flushometers changed to facilitate a dual bypass diaphragm, whereas they used to function with only one. Scroll down and click on the part number(s) you need to repair your Regal or old style Royal Flushometer. (Please note: If an item listed below does not have a link, we still carry it, but the item is not currently on our website. If you wish to order this item, give us a call.) Scroll past the parts breakdown to see the troubleshooting Q&A, which reviews common issues, and the solutions to fix them.