Okay. This just started happening. This is a ventless, nearly new, heater to aid in heating this 80 year-old house. Seeing the sparks that are in the video has me concerned. I thought maybe it was dirty but from what? There was a natural gas outage yesterday in town so maybe some junk in the lines related to that? I'm really at a loss. I clean it thoroughly every year and inspect everything in case i have to replace anything and to avoid the release of carbon monoxide.… See More