Yes just change the orfice in the burner and pilot if there is one.
Can you convert a natural gas wall heater to propane.
Older units made for natural gas could be converted to propane but not the other way around.
The biggest sticking point is that natural gas is kept at a lower pressure and some appliances can t handle the higher pressure of propane even with adjustments.
You can convert some appliances but others are designed to burn only natural gas.
I have a vent free natural gas heater made by procom.
Propane is high pressure low volume.
Conversion involves replacing the propane regulators and orifices in the appliance with ones designed for natural gas.
People i have talked to say it is easy to convert to propane which would be much easier i think than running gas lines to the greenhouse.
The density difference between propane and natural gas means that propane gas appliances such as furnaces and ranges must be converted to handle the lighter natural gas.
I have heard this is possible.
Most propane companys offer the service to convert your heater for a small fee.
Natural gas is low pressure high volume.
If you can safely convert an appliance or furnace then switching to propane as a fuel source requires some appliance modification including replacing parts using a conversion kit.
Most space heaters are no longer convertible you must by the unit on the gas that you are using at your home.
You will want to check the coding for your appliance to make sure that the conversion is possible.
You may have a heater with an electric start.
How you can convert lpg heater into natural gas heater.
Most but not all appliances can be converted from natural gas to propane.