We have 2 comfort glow ventless gas log heaters. The problem is they will not stay lit. we have replaced all the parts... taken it aprt and cleaned it completely.
It lights fine and will run for about 36 hours,then it shuts down. Then you can re-start it the next day and it repeats the same pattern (runs for a long time,then quits. Any suggestions?

What model and brand do you have? Most ventless logs have an low oxygen sensor, you might have one that is doing its job.

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