Troubleshooting Guide: Improving Flush Performance

If you notice your toilet has a weak flush, the problem may not always be the solenoid. Before replacing any parts, there’s a quick step you can try that often fixes the issue. This can improve water flow and restore proper flushing performance.

When to Use This Guide

You experience low flush power or reduced water flow.
Previous solutions (like replacing the solenoid) haven’t helped.
Your home has low water pressure, which may make the reducing valve unnecessary. How to Test Water Pressure with a Stopwatch and Measuring Cup

Step-by-Step Solution

Turn off the water supply
Locate and shut off the water supply valve connected to your toilet.
Disconnect the water hose
Unscrew the water hose carefully from the toilet’s inlet connection.
Remove the Reducing Valve
Inside the connection, you will see a small valve insert. Remove it as shown in the diagram.
Reconnect the water hose
Once the reducing valve is removed, securely reconnect the water hose.
Turn water supply back on and test
Restore water flow, then flush the toilet several times to check if the performance has improved.

Visual Reference

Important Notes

Only remove the reducing valve if your home has low water pressure. How to Test Water Pressure with a Stopwatch and Measuring Cup
This step often solves weak flush issues without replacing the solenoid.
After reconnecting, check for any leaks.

Conclusion

By removing the reducing valve, you may restore normal flush power quickly and easily, avoiding unnecessary part replacements. This is a recommended first troubleshooting step before considering solenoid replacement.