O have a new propane wall heater in my new shop with a new low pressure reg. The heater works well during the day but when I go out at 8 am the heater is out pilot is out also. I live at 7030 feet, I leave a window open approx 3/4in.. the temp is around 27deg at nite.

  • Is there possibly water in the line from the tank to the heater that may be freezing and blocking the flow of gas? – jwh20 Feb 12 at 16:17
  • It would be helpful to know the make and model of heater. Is it vented or unvented? Your comment - I leave a window open approx 3/4in.. leads me to believe it's unvented which can be a problem at high altitude. – HoneyDo Feb 12 at 16:54
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  • Has it been re-jetted for the altitude? (I assume you probably know to do that). A volume of air only has 3/4 as much oxygen as at sea level, so it matters. – Harper - Reinstate Monica Feb 12 at 19:32
  • are you sure it's propane, and not butane, in the tank? – Jasen Feb 13 at 3:58

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