Stuart Turner saniflo & macerators repair guide
Stuart Turner saniflo & macerators changed its behaviour? If it leaks or fails to clear, stop using the connected fixtures and keep the casing closed. Prepare the model and postcode before arranging work.

Put the Stuart Turner fault into words.
A small box has an important job. Tell us what happens when its connected fixture is used.
Continuous running, a hum and water escaping need different assessment. Avoid repeated flushing to test a fault.
If it leaks or fails to clear, stop using the connected fixtures and keep the casing closed.
What has changed?
These are possible assessment areas, rather than a diagnosis or an instruction to dismantle the appliance.
The unit keeps running
Stop using connected fixtures and describe what started the run.
Sensing, discharge conditions or another internal issue may need assessment.
A hum replaces normal pumping
Do not repeatedly operate the connected fixtures.
An obstruction, motor condition or other problem may need inspection.
Water escapes around the unit
Stop using connected fixtures and keep the casing closed.
A connection, seal or casing issue needs assessment.
The connected fixture clears slowly
Note which fixtures are connected and when the change began.
Discharge conditions, pumping performance or sensing may contribute.
The unit stays silent
Record the model and any supply interruption without opening the unit.
Supply, switching or internal sensing may be involved.
Short runs happen unexpectedly
Note whether any connected fixture is being used.
Water entering the unit or sensing conditions may need checking.
Make the model useful.
Identify the actual pumping unit and connected fixtures. Similar white boxes can have different discharge arrangements and are not automatically interchangeable.
Identify the actual pumping unit, its model and the fixtures connected; photograph only safe accessible views.
Choose the address area.
In a compact kitchen
Show the usable space in front of the appliance. Do not rearrange heavy equipment to create an access photograph.