Regulation 17 Fuel creep
An oil heater shall be so constructed that, when it is operated under normal conditions, no fuel may spread over any part of it so as to cause an increase in the size of the flame of the burner.
An oil heater shall be so constructed that, when it is operated under normal conditions, no fuel may spread over any part of it so as to cause an increase in the size of the flame of the burner.