I have a Heatilator model: GC150 NAT Our fireplace seems to have the pilot on, but it looks like something near the pilot under the log is burning all the time. So I can not say for sure if the pilot is on all the time or not. This is our first fireplace so we have no experience as to what it is supposed to look like. I do not know if this is possible, but sometimes it looks like maybe the pilot flame is flickering on and off behind what is burning under one of the logs.....Again I am not 100% sure of what I am looking at... However, If you flip the switch and leave it on the fire will sometimes ignite after several minutes.... like 20 minutes or more. It never goes off by itself once its kicked on. Is this safe to do? I am thinking our first bet would be to clean the pilot.... We dont have the owners manual so we are not sure where to start... Hope someone can give us a hand and save us some money learning to do it ourself!! Thanks!