Re: Oil Furnace Black Smoke
Posted by Bob on March 23, 19101 at 15:22:44:
In response to Re: Oil Furnace Black Smoke
: Where can I find the specs on oil burners (furnace). I can see I'm getting enough air so my nozzle tip must be open or worn. The pump is 100 psi. Rated .4 - 3.0 GPH. The nozzle is marked 100 70%. Do these things wear? or open wider with use?
: Thanks to all Dan

It's happened to mine a couple times over the years. Replaced the nozzle and the problem was gone. Yes,the velocity of the fuel oil and the impurities in it,wear the nozzle over time. I'm a mechanic,but it's the same principle as an injector nozzle in a gas or diesel engine.



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