Compatible Models: 31501 circuit board is compatible with Atwood Hydronic Flame Furnaces including 7912-II, 7916-II, 7920-II, 8012-II, 79D, HF 80D, DC82 25-32, DC82 35-41, 76D, 78 25-32, 72D, 85-I Series, 85-II Series, 8500-III Series, 8500-IV Series, 8900-I DC Series, 8900-II DC Series, 8900-III DC Series, AFSD12, AFSD16, AFSD20, AFMD20, AFMD25, AFMD30, AFMD35, DFMD20111, DFMD30111, DFMD25111, DFMD35111, DFSD16111, and DFSD20111. Full Functionality: The 31501 control board for RV Hydronic Flame stoves is fully functional and designed to perform all necessary operations to ignite and maintain stove operation. Tips: Confirm the model number matches before purchasing the 31501 board. Specifications: The 31501 ignition control board operates on 12V DC, sends a signal to open the gas valve, and delivers high output voltage to generate an ignition spark for lighting the burner. Color: As shown. Material: Electronic components. Package Contents: 1 x 31501 RV ignition control board. Note: Other items not included. Lighting and display differences may cause slight variations in color between the image and the actual item. Measurement tolerances may vary by +/- 1-3 cm.