Amana-Goodman B1809904S Control Board 30067439-890 Hermetic Diaphragm Design: Provides a

Hermetic Diaphragm Design: Provides a high-integrity seal to prevent refrigerant leakage and atmospheric contamination

Operating at a factory-set

increasing the longevity of the 6-480 second timer

2-way valve features a 37 Cv

Amana-Goodman B1809904S Control Board 30067439-890 Hermetic Diaphragm Design: Provides aThe Amana Goodman B1809904S Control Board serves as the primary logic controller for specific gas fired furnace systems, providing critical sequencing for ignition, blower timing, and safety circuit monitoring. As the direct OEM replacement for B1809904, this board is engineered for drop in compatibility with Goodman GUN and GUS series units, specifically the 075, 100, and 125 MBH configurations. By managing the HVAC furnace control board operations,