Convert LP gas Patio Heater to Natural Gas


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Old 05-27-08, 03:08 PM
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Convert LP gas Patio Heater to Natural Gas

I have a 25,000 btu LP gas Patio Heater that I would like to convert to Natural Gas. Gas pressure to the meter is 3 pounds and gas service from the meter to all appliances in the house is 1/3 lb. (.333 psi) per the gas company and 5 oz. or .3125 psi. acording to the plumber. Can anyone help with the correct drill bit size for the orifice.

Thanks
Marty
 
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Old 05-27-08, 03:28 PM
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A 47 drill size will give you 24190 btu's.
A 46 drill size will give you 25760 btu's.

I would go with the 47.

Additionally, if this heater utilizes a 20 cyl as it's LP source, you will need to remove the regulator on the hose.
 
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Old 06-16-08, 07:37 AM
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Desa Patio Heater Conversion LP to Natural Gas

I am trying to convert a 40,000 BTU Desa Outdoor Leisure patio heater from propane to natural gas. Can anyone tell me how to do this? What size does the main burner orifice have to be? Also, does the pilot orifice have to be changed/enlarged? Thanks for the help !
 
 

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