Set Appliance State:
| Isolate Mains Power to appliance as per TOPs P4 |
Turn OFF DHW inlet valve and drain down the DHW circuit.
Observation:
Remove the DHW flow restrictor and inspect for blockage and/or damage?
Note:
The flow restrictor is situated within the top union of the flow switch.
Note:
The flow restrictor is situated within the top union of the flow switch.
Isolate as per TOPs P4
and refit as necessary