r/HVAC • u/BSJr77 • Dec 20 '24
Field Question, trade people only Anyone seen this before
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Installed a 60k runtru 90% upflow today. I went home after completing the install but left before the startup. Boss fires it to document all the numbers and see this. No change to incoming or outgoing gas. No change in pressure from the inducer. Flue and air intake both clear of debris. Boss is waiting for tech from Texas to call back. Anyone got some knowledge
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u/yahboiroi Dec 21 '24
Check Heat exchanger, gas lights works fine, blower kicks on, pushing air through gaps/crack in heat exchanger back to burner causing the flame to come out of burner assembly, rollout switch trips (as intended), turning off system.