Computer Science for IGCSE & O level - Hardware (Section 30 - No. 41)
In a central heating system, what is the role of the gas valve?
To measure the temperature.
To regulate the flow of gas to the heater.
To control the pump.
To display the temperature readings.
הֶסבֵּר
The gas valve controls the flow of gas to the heater based on signals from the control system.