Set Appliance State:

Mains Power Off
Gas On; Pilot On
On/Off Switch ON
DHW Thermostat to MAX
Mode Selector Switch to Summer
Hot Water Tap on
WARNING! Mains voltage is expected during test, follow TOPs P4 live testing procedure
Mains Power On

Observation:

Is there a 35 degree C temperature rise in the Hot Water at a flow rate of 9.5 litres per minute?