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« on: November 14, 2020, 12:27:52 pm »
I have been doing nothing but waste oil heater sales/service for 30 years. I am here to help but we need to start with the small simple things and work our way up.
For right now put the air band setting to factory spec and leave it.
As long as the spark is not arcing to the nozzle and is blowing past it we are good.
The nozzle is actually 3 pieces the small jet just sits on the stem and can be easily removed. Is there any carbon buildup inside the stem of the nozzle or jet ? If so a burner rebuild needs to be done. When putting the nozzle back together always hold it upright otherwise you will smash the end of the jet.
Does the tank have a drain ? If so, open it to check for water and or antifreeze.
Reznors have a poor preheater assembly. So make sure the actual temp of the oil in the tank is at least 50*.
Lets start with this then we can move on to other things.