Cozy Enclosed Front Console Heater 70,000 btuh Natural Gas "wrong natural gas goes" Questions

...Natural Gas-- from the big pipe lines, or from a Bottled Gas source (like LP Gas?) Have you added new gas lines recently?-- did they get bled out properly?-- were the pipes cleaned before connected? ...

problem with the heat exchanger a baffle issue have to change. sorry wrong unit, the standard is if pilot goes out you are allowed 3 minutes before gas has to shut down, that's how it should be tested

...Natural Gas or Propane and it may be operating on the wrong gas? Let me know what you find, Thanks! Try cleaning the orifice . I use a twist tie wire off a loaf of bread . Careful, dont damage it

...Natural Gas and did this but it is now showing with: Error Code 11 or 12 Which is not be able to Ingite the heater we have checked everything but can not get this to Ingite it clicks for about 15 ...