Set Appliance State:
Turn Hot Water Tap On
Isolate Mains Power to appliance as per TOPs P4
Turn off cold water supply to appliance
Turn off cold water supply to appliance
Observation:
Remove and inspect flow regulator,
Note:
Regulator is located on DHW inlet pipe before secondary heat exchanger (front pipe).
Note:
Regulator is located on DHW inlet pipe before secondary heat exchanger (front pipe).
Isolate as per TOPs P4
and refit as necessary