Yes, it is audible. Not loud but you can hear it. If the flame is blue with no orange it is good. Put screening on the access panel to keep the bugs out.
Chuck - Sparta, TN
2012 Jay Flight 22FB, 2 x Honda EU2000i
2013 GMC Yukon XL Denali AWD
EDUCATION is what you get when you read the fine print.....
EXPERIENCE is what you get when you don't.