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daleslad
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# Posted: 9 Jan 2012 12:45am
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Hi All,
I am thinking about putting a gas insert into a cabin which is located at 7300 ft. elevation.
I'd like to know if I should be concerned about the size of the propane tank and the BTU size of the gas insert.
The size of my tank is approximately 100 gallons.
The BTU's for the insert is 36,000.
I appreciate any help I can get on this.
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MtnDon
Member
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# Posted: 9 Jan 2012 10:17am - Edited by: MtnDon
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First, what is the altitude rating for the burner? And it is meant to be used with propane, right? As altitude increases the gas orifice needs to be smaller. Depending on the manufacturer that may srat with altitudes above 2000 to 4000 feet. If the orifice is not correctly sized for altitude the burner may soot up and produce CO. Note that the rating will likely be for sea level; at 7300 feet it will be less. The reason the orifice has to be smaller is the air density is less higher up. The reduction in the rating because of altitude is approx. 3% per 1000 feet of altitude.
Second, the temperature is important, the temperature of the propane tank, that is. The rate that a propane can deliver gaseous propane becomes less as the temperature decreases and as the tank is depleted.
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daleslad
Member
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# Posted: 9 Jan 2012 07:11pm
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Thanks Don,
I've got it figured out now and feel more comfortable with my transition from wood stove to gas insert.
Now if I can just find someone to buy my wood stove and move it for me I'd be pretty happy ha ha.
Thanks again for all of your help and great information.
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