01-29-2023, 10:17 AM
If you have a quick high whine on start up, the bearings and motor are okay. A puff on firing start is present in some burners but not in others. It is a puff and runs clean and clear till cycling off.
Repeated smoking while burning (not a puff), especially black smoke needs attention.
Repeated smoking while burning (not a puff), especially black smoke needs attention.
Rudy Legett
2003 Foretravel U320 4010
ISM11 450 hp Allison 4000R
Factory Authorized Aqua Hot Repair Center
Southeast Texas Area