are new burners like (RIELLO)better on efficiency and heat if all the calibrations are the same and using the same size nozzle and angle as on a old burner of say 10 years old.if so can you give the reason
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Okay, here’s my take on it. Riello burners, in my experience are top of the line. That being said, I’m not sure if a new Riello burner would be much more efficient that another of the same type that is only ten years old. The savings you’d see (If any) after switching would take a long time to show up after factoring in the cost of the unit and installation.
I agree with smiling_man_dan,
Plus, in ten years, development and environmental emmisions requirements will have almost certainly forced better efficiency from both fuel economy and heat developed per g/kwh.
The differences may well be slight but the burner is regulated by its ability to heat the medium (water) and inefficiencies elsewhere such as heat loss through badly insulated ceilings, windows and walls will govern the burners activity….. i.e are your radiators on full just to warm the room because heat is being lost via a draghty old room with no insulation.
If the firebox of the burner and heat exchanger is in good clean condition, and your space is well insulated, then there is no reason why an old burner shouldnt be as good as a new one.
Sure, nozzle size and air/fuel mixture will alter the burner flame temperature but the whole thing is governed by the desired room temp thermostat and will keep going until the desired temperature is achieved.
Hope this is of use