How to open the heating solenoid valve

Opening method of heating solenoid valve:

1. From the front of the heating valve, you can see that there is an "O" (the location is shown below), which is the abbreviation of the English word "open", which means open. Note that there is also an arrow pointing counterclockwise near the letter "O", which means turning counterclockwise to open the heating valve.

2. From the front of the heating valve, the letter "S" (see the position below) can be seen on the other side, which is the abbreviation of the English word "shut", which means closed. Note that you will also see a clockwise arrow near the "S". Turning in the direction of the arrow will close the heating valve.

3. Therefore, when you want to open the heating valve, look at the valve from the front and turn the valve counterclockwise to open the heating valve.

4. After opening the valve according to this method, when the heating is not hot, you must check the room heating to open the valve and turn it counterclockwise.

Finally, check the exhaust valve of each heater in the room. Rotate clockwise from the front to exhaust the air inside the heater and promote the heating cycle.