Set Appliance State:

Mains Power Off
Turn Hot Water Tap On
Selector switch Water position
Gas On
WARNING! - Mains voltage is expected during test follow
TOPs P4 live testing procedure
Mains Power On

Measurement:

Is there 35°C temperature rise at 8.5 litres per minute?
Notes:
Boiler incorporates a flow restrictor that reduces flow rate to approximately 8 l/minute.
To investigate poor flow rate CLICK HERE