In this video i teardown and rebuild a diesel heater its as detailed as i could get it. Air Heater Service Repair Kit: amzn.to/4859u3a 5pcs Diesel Heater Glow Pin Stainer Burner Stainless Steel Screen Kit: amzn.to/3ulm14H
As long as you have a good filter inline your heat exchanger will stay pretty clean for several thousand hours unless you burn on low alot. You only need fuel additive when the temp drops and your fuel starts to jell. (about 10 degrees) And we don't really care what you watch on TV.
