Flame rectification

In simplest terms, flame rectification is a way of making sure that a gas-powered device is burning correctly. When gas burns, it creates a small electrical current. Flame rectification takes advantage of this current to make sure the flame is present and burning properly.

Flame rectification works kind of like a test. Here's how it goes:

1. Your device turns on and sends a small electrical current through a wire called a "flame sensor."
2. If the flame is present and burning properly, it will create a small electrical current of its own that flows back through the flame sensor wire.
3. The device can detect this new current coming back through the sensor wire and knows that the flame is burning correctly.
4. If there is no flame or if the flame is not burning properly, there won't be any electrical current flowing back through the sensor wire. This tells the device that something is wrong and it can turn off the gas to prevent any problems.

So, flame rectification is basically a way of making sure that a gas-powered device has a good, healthy flame that's burning like it's supposed to. If the flame isn't working right, the device can detect that and take action to prevent any harm or issues.