My gas insert is about 2 years old. There is an ashy white powder building up inside the unit on the walls (there are fake brick panels on the back and side walls) and also on the top (inside). Is this due to some contaminant in my gas supply, or perhaps a sign of air leaking into the unit around the seal on the front of the unit ?
Thanks. I appreciate any input you have...
Thanks. I appreciate any input you have...