Question about Intertherm Heating & Cooling
Hello,The 90* nozzle is usally installed in miller brand units because of the "short" chamber.The 90* should not cause soot.Soot = not enough primary AIR into the burner mix.If the unit mfg. wants .50/80*a it should be used.#559 might translate into a .65gph input thus overfiring the unit.If a .50gph is installed the AIR mix problem will take care of itself (less fuel).Soot is unacceptable in your (young)3.5yrs unit and should NEVER have soot at all.The problem started when the nozzle was replaced try (insist) on mfg spec. nozzle.
Posted on Nov 08, 2010
Testimonial: "Good advice. My tech will be here tomorrow morning and I have already purchased the proper 50/80 A noozle as required by unit manufacturer. "
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Posted on Jan 02, 2017
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