Hi all. First post, new to the forum. Thanks! I have a Jotul Sebago gas heater. I've found it shut off a few times recently. This latest time I spent a few minutes sitting in front of it observing. Here's what I found... When I light the pilot it appears normal. When I set the burner in the High position and turn it on the pilot flame dims and goes out in just a couple of seconds. When I set the burner in the Low position and turn it on the pilot flame stays lit. I can then gradually turn the burner up to High and the pilot stays lit. It's been cycling for about three or four hours now and seems to be working fine, even with the burner still on the High position.