QuestionsCategory: Questionshigh efficiency furnace 92% 120btu fresh air intake
Handyman Staff asked 2 months ago

Why is my goodman gm9s921205dn high efficiency furnace is having a strong suction through the fresh air intake 3"pvc causing flame to shut down the system, and shows error code EEO, then I remove the pvc vent off and it starts functioning normal without errors, please, explain, thank you.