Set Appliance State:
| Isolate Mains Power to appliance as per TOPs P4 |
Appliance primary water drained and discharged
Remove the end cap of the central heating isolation valve
Remove the filter from the valve
Remove the end cap of the central heating isolation valve
Remove the filter from the valve
Observation:
Visually inspect the filter.
Is the filter clear and unrestricted?
Is the filter clear and unrestricted?
Isolate as per TOPs P4
and refit as necessary