How to Adjust Pressure Gauge 2.6 of Wan Jiale Gas Water Heater?

1, the first one on the left is the adjustment of air pressure. Most people adjust this control temperature. When rotating clockwise, the air pressure increases and the temperature rises.

2. The second small knob in the middle is the air pressure adjustment knob in summer and winter, which is generally adjusted to winter.

3. The one on the right is water pressure regulation. Generally, when the water pressure is adjusted, it will not move again, so this screw is also the most prone to rust and problems. However, it will not affect the use unless the water pressure is getting smaller and smaller.