[Compatible Models] For Atwood Hydro Flame 7912-II, 7916-II, 7920-II, 8012-II, FA 79D, HF 80D, DC82 25-32, DC82 35-41, FA 76D, FA 78 25-32, FA 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, DFSD12111, DFSD16111, DFSD20111. [Better Craftsmanship] Our 31501 circuit board, with more refined design and craftsmanship, is covered with a waterproof coating, which effectively prevents corrosion and short-circuiting from occurring, and has a longer and more stable service life. [Safe & Intelligent] Built-in Safe & Intelligent control module monitors, analyzes and controls the proper operation of your combustion furnace in real time. Make sure you can use it in a safe and stable condition. [Easy Installation] The 31501 board comes with detailed installation instructions so you can assemble it in minutes! Saving you time and money traveling back and forth to the repair store. [Perfect after-sales protection] Our products enjoy quality assurance services within one year, if you encounter any quality problems or installation problems can contact us, we are 24 hours for your service! For Atwood Hydro Flame 7912-II, 7916-II, 7920-II, 8012-II, FA 79D, HF 80D, DC82 25-32, DC82 35-41, FA 76D, FA 78 25-32, FA 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, DFSD12111, DFSD16111, DFSD20111.