2. The outlet temperature of water heater is determined by the size of fire and water.

3. After setting the firepower, adjust the outlet water temperature through the water temperature adjustment knob.

4. When opening, the water turns to a low level, and the outlet water temperature becomes lower.

5. On the contrary, the water content is low and the temperature is high.

6. When setting the water quantity, the outlet water temperature can also be adjusted by the gas valve adjusting knob or the function change-over switch.

7. Turn up the fire and turn it to the open position. The outlet water temperature is high.

8. Turn down the fire about 60 degrees clockwise from the open position, so that the fire is turned down and the outlet water temperature is low.

9. But it should not be adjusted too low, so the air supply pressure is too low, and the fire of the main burner is easily blown out by the wind.

10. If low temperature is needed, you can flexibly use the function change knob to obtain ideal hot water.