Why is it recommended by manufacturer not to use propane gas within a barbecue that have untaught gas burner? Why is it recommended by manufacturers not to use propane gas within...

Why is it recommended by manufacturers not to use propane gas within a barbecue that has inborn gas burner?
...And how does this relate to Carbon Monoxide Poisoning?
Why does condensation can still go off today...
Answers:    the gas valve are diffent
Toilet won't stop running after flushing?
They own different size mixing chambers for gas/air mixture. Your cooking outside so no horror of carbon monoxide poisoning