Aquahot smokes after service
Long story short: The motor for my 11 year old Aquahot 450 died and was replaced with a new smaller motor: same mounts, just smaller overall size. Tech said "this is the new version". During the motor...
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Smaller motor could make less air and make the unit run rich causing smoke and soot. Or he could have used the wrong fuel nozzle and cause the same issue. You need someone that knows that unit and has the correct parts.
