Sorry there is no labels on it there is one that says it’s propane but I can put a pencil lead in the hole of the orifice I just got a new gas valve for it due to the old one being bad. When I go to turn it on you can hear the gas flow and then get the explosion ignition where it like getting...
I have a Modine garage heater it only has one orifice and I think it’s to big for me running natural gas trying to find out what I need there are no numbers on it or the unit