# A044_F · Rheem · Communicating Furnace — Residential gas furnace fault code lookup by brand For A044_F · Rheem · Communicating Furnace, brand is Rheem; model / control board is Communicating Furnace; fault code is A044_F; fault name is Inducer Lo Pressure Switch Won't Open, verified against its source on 2026-08-28. - **Brand:** Rheem - **Model / control board:** Communicating Furnace - **Fault code:** A044_F _(verified: appears in the quote below)_ - **Fault name:** Inducer Lo Pressure Switch Won't Open _(verified: appears in the quote below)_ ## What the source says > A044_F Inducer Lo Pressure Switch Won't Open ## Source - https://airmanagementsupply.com/documents/rheem-ruud_R802V_UH_installation_instructions.pdf Last verified: 2026-08-28. Review by: 2028-08-27. Part of [Residential gas furnace fault code lookup by brand](https://referencesource.org/residential-furnace-fault-codes-by-brand/).