Replaced 14x30x2 and 20x30x2 filters Adjusted belt tension Bearings in OK shape Heat exchanger is in poor condition: it will be rusted out to the point of having holes within another heating season or 2. Flame sensor is impossible to remove for cleaning due to rust This is going to require replacing the entire burner assembly, flame sensor, and spark igniter. System is functioning properly at this time, but unreliable operation is likely without parts replacement. Due to cost ($8122.44) we do not recommend making these repairs Unit replacement is recommended in the next year or two, or at the next breakdown.
