01-29-2023, 02:14 PM
As Richard suggests, burner service which includes cleaning things up cures a bunch of firing issues. Not running the burner once per month, every month, year round, no excuses, causes a lot of firing issues.
Rudy Legett
2003 Foretravel U320 4010
ISM11 450 hp Allison 4000R
Factory Authorized Aqua Hot Repair Center
Southeast Texas Area