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DIY) Found the problem. Rusty burner, clogged wing. Flame not propagating. Thanks for help in earlier threads fellas : r/HVAC
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![How To Tell If My Heat Exchanger is Cracked? [With Pictures]](https://www.supertechhvac.com/wp-content/uploads/2021/08/This-one727268-rusted-heat-exchanger-1.jpg "How To Tell If My Heat Exchanger is Cracked? [With Pictures]")
How To Tell If My Heat Exchanger is Cracked? [With Pictures]
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