Condition: 100% brand , with all components tested and qualitychecked before shipment to ensure reliable performance. Compatibility: Direct replacement for control board model 31501. Replaces part numbers 33488, 33727, and 30575. Fully compatible with Dometic Atwood furnace models: 7916II, 7920II, 8012II, 8520IV, 8525IV, 8531IV, 8535IV, 8531III, 8535III, 8525II, 8531II, 8535II, 8520I, 8525I, 8531I, 8535I, AFMD25, AFMD30, AFMD35, DFMD30111, and more. Key Features: Manufactured with precise craftsmanship for consistent and accurate performance. Waterproof surface coating protects against moisture damage. Builtin corrosion resistance for extended durability. Short circuit prevention safeguards your equipment. Designed for long service life with dependable operation in various environments. Package Contents: 1 x Circuit Board Replacement (as pictured). Practical Applications: Ideal for replacing a failed or malfunctioning control board in your RV furnace to restore proper heating functionality. Suitable for preventative maintenance, reducing the risk of unexpected furnace breakdowns during travel or in cold weather. for upgrading older furnace control boards to a more durable, moistureresistant version to extend the lifespan of the heating system. Material and Performance: quality electronic components engineered for compatibility and performance with specified Dometic Atwood models. Coated for environmental protection, ensuring stable operation even in demanding RV or outdoor conditions. Precision manufacturing ensures accurate signal processing and reliable control over the furnace's functions.