Set Appliance State:
| Isolate Mains Power to appliance as per TOPs P4 |
Boiler drained and discharged
Gain access to the filter fitted in the central heating return valve
(This can usually be accessed by removing the integral filling loop, if fitted,
or the end cap of the valve)
Gain access to the filter fitted in the central heating return valve
(This can usually be accessed by removing the integral filling loop, if fitted,
or the end cap of the valve)
Observation:
Inspect the filter, it should be clean and clear from restrictions and blockages.
Is the filter clean and free from blockages and restrictions?
Is the filter clean and free from blockages and restrictions?
