Compatible Models: 31501 Circuit board is compatible with Atwood Hydronic Flame Furnaces: 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 RV Hydro Flame Stove Ignition Board is fully functional, enabling the 31501 Ignition Control Board to perform all the functions required to turn on the stove and keep it running. Tips: Before purchasing a 31501 board, make sure the model number matches. Specifications: The 31501 Ignition Control Board is powered by 12V DC and sends a signal to open the gas valve and a high output voltage to generate an ignition spark to light the burner. Standard: 31501 Board RV Ignition Color: As Shown Material: Electronic Component Package Contents: 1 x 31501 Board RV Ignition Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture to be slightly different from the real thing. The measurement allowed error is +/- 1-3cm.