B1809923S Goodman integrated HSI module
Furnace control board used on all GSM units. Board uses a 3 amp fuse (included). Measures 5-1/8" x 7-7/8". Wiring harness & instructions included for use when replacing a B18099-12 module.Also known as part number B18099-23, 1012-934A & 1012-83-9344A.