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| Moderated by: Al Gregory | ||
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lilpil Member
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Hello, I am new to all this and am getting involved in my Burnham V-7 series Oil Boiler and Beckett 'AF'/Carlin burner (100 psi) because the nozzle was changed out by the serviceman on September 22 when he cleaned the unit for winter. He put in a 'bigger' 1.35 gph 80 degree nozzle and I think this replaced a 1.25 gph 80 degree nozzle. I know the 'low' side water temperature was lowered but , other than that, all things should be considered equal after he left. During the summer the boiler just provides hot water. The 30 day period (August - September) before he put in the nozzle, my average daily oil consumption was 0.67 gals. The 30 day period (September-October) after the new nozzle was installed, my daily oil consumption was 1.12 gals. The boiler was not used for heat. Thus, I conclude that the work done on the unit, most likely the nozzle change out resulted in a 67 % increase in oil consumption to heat hot water. Can I assume the nozzle is the most likely suspect for the increase in oil consumption? Would the lowing of the 'low' side water temperature effect this? Will the change in nozzle increase or decrease oil consumption when I start heating the house as of November 1st? NB: heat is hot water radiator over 3,000 sf. How do I determine the size of my Burnham unit, i.e which series V7 model and its BTU output rating? Thanks for your time! -=Rob=- |
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Al Gregory Administrator 
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I always like a smaller nozzle and higher pump pressure whenever its possible. |
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