DerbyBorn wrote:
If the flame is too small, it blows out/doesn't heat the thermocouple
adequately.

If it's too big, it burns the thermocouple out too quickly.

So, it probably needs adjusting to make it bigger.


He needs to be told that pressing the button is the only way to get
gas to the pilot. Has he been using matches - if so the pilot jet
could have debris in it.

No, he has not used matches. The pilot light is behind a glass shield and is
very difficult to get to.