Today i went for a late night walk and while in front of house i looked up at pellet pipe and noticed some embers coming out of pipe. I never really looked up there so didnt notice them in the past. Is this common for pellet stoves to blow out some hot embers from pipe going through roof. I saw about 10 embers in the span of 5 mins. If it matters i have a 3 year old quadra fire santa fe. With 3 inch black pipe and a cathedral ceiling.