Numbers on oil furnace nozzle

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  #1  
Old 10-27-03, 05:10 PM
criecke
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Numbers on oil furnace nozzle

What do the numbers and letters that are stamped on the
nozzle indicate.

Is there a source for the info that covers all the combinations
that I can get to on the net?

Thanks, Charlie
 
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Old 10-27-03, 07:25 PM
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Different manufacturers use different codes for the spray pattern but the first thing you will get is the firing rate. It will be in gallons per hour (at 100psi) Like 1.00 for one gallon. They start at .50 and go to .65, .75, .85, 1.00, 1.10, 1.20, 1.25, 1.35, 1.50, 1.65 and so on. The next number is the spray angle. 60, 70, and 80 are popular but 30, 45, and 90 are available. Next is spray pattern A or H is hollow. B or S is solid. SS is semi-solid. There are others depending on brand but I have covered what Hago and Delavan make for residential units. If you have any specific questions, post them back here. You may find the info at a web site for Delvan or Hago.

Ken
 
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Old 10-28-03, 06:47 AM
criecke
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Furnace nozzles

Thanks Kfield

The nozzle is selected by the burner manuf based on the design
of the burner and other things I guess.

Is any of the 3 items of the nozzle spec more important than
another when replacing the nozzle.

I would think the exact replacement is ideal,I have noticed
that over the years my "furnance man" has used diff last
letter nozzles in my furnance based on what he had with him
on the truck.

Any reason to complain? My burner specs a 0.65 X 80deg B
he uses the S version.

Charlie
 
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Old 10-28-03, 08:18 AM
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oil nozzle

Like Ken said before a B or an S on the nozzle are the same .
It means its a solid cone nozzle. Could also come in a Blue cap holder. ED
 
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