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    opaddlertst's Avatar
    opaddlertst Posts: 1, Reputation: 1
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    #1

    Jan 19, 2008, 12:07 AM
    Beckett Model A15 on my Miller Mobile Home Kerosene Furnace
    The original nozzle reads: .60 (gal/min) and 80 B (degrees). Can I use a .65 and 80ES nozzle on my kerosene fueld Miller Mobile Home Furnace?
    hvac1000's Avatar
    hvac1000 Posts: 14,540, Reputation: 435
    Heating & Air Conditioning Expert
    		  
    #2

    Jan 19, 2008, 07:50 AM
    If you have the proper knowledge to set up a different nozzle it might be OK.
    For most people it is best to stick with what is on the rate plate. A .65 will burn more fuel than a .60 and may over fire the furnace making it not last as long. This is why I do not recommend a home owner up size the nozzle.

    Also the 80 degree spread should have the same designation. The B and ES means two different things as it could be a solid ,hollow, all purpose flame spread an you want to maintain what the factory recommends because it can boom or do other things like burn the sides/plate on the heat exchanger if not correct.

    If you do not know what you are doing on oil call a pro. Just having the furnace adjusted a bit wrong can cost you big $$$$ in wasted oil due to improper burning in chamber.
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