Stihl Solution Valve Not Closing Fully

Solution continues to drip from the nozzle after releasing the trigger

This repair may involve working with high voltage components or water connections. Always unplug the appliance before removing any panels.

If you are not confident in your ability to perform this repair safely, we strongly recommend contacting a professional technician.

Possible Causes

Worn or contaminated solution solenoid valve, debris in manual valve seat, excessive line pressure from pump

Safety: Unplug the unit and relieve pressure by squeezing the trigger.

Flush valve: Run warm clean water through the system to dissolve detergent crystals that may prevent full closure.
Inspect solenoid valve: Access the solution solenoid valve and check for leaks at its outlet when the unit is off. If it drips, the valve may need cleaning or replacement.
Clean manual valve: If the trigger operates a mechanical valve, inspect and clean the valve seat and O-rings.

Medium 3/5

Solution Solenoid Valve

Check Price on Amazon

We may earn a commission from links on this page.