[Compatible] The Micro-P-711 control board is used in 2-way, 3-way, AMES, AES, adjustable-temperature, and fixed-temp. Compatible with Dometic refrigerators following models: S1521, S1531, S1621, S1631, S1821, S1831; RM2554, RM2607, RM2611, RM2612, RM2620, RM2652, RM2807, RM2811, RM2812, RM2820, RM2825, RM3607, RM3662, RM3663, RM3807, RM3862, RM3863, RM4872, RM4873, RM7030, RM7732, RM7832; NDR1062, NDR1272, NDR1282, NDR1492 [Comprehensive Model Compatibility] The Micro-P-711 control board is compatible with Dometic series refrigerators, including: S1521, S1531, S1621, etc., and NDR1062, NDR1272, etc. Compatible with AMES, AES, adjustable temperature, and fixed temperature systems, suitable for 2-way or 3-way RV refrigerators. [Detailed explanation of replacement models] This miniature P-711 control board can replace all black box board part numbers starting with "293", including but not limited to 2931842 series and 2932695.01, providing a comprehensive replacement solution. The components of the system's first release can be completely replaced, covering a wide range of applications. [Part Number Level Functions]Micro-P-711 control board has all the functions of Part Number control board and adds temperature adjustment function. Users can adjust the equipment according to their own needs to ensure the best refrigeration or freezing effect. [Safety and Upgrade]The control board has upgraded thermocouple circuit to solve the ground bounce problem. Fuse protection for the 120VAC circuit, 12VDC power supply and DC components has been added to ensure electrical safety and stability during use. [Convenient installation process] The moisture-proof treatment and bracket construction process ensure the durability and long-term service life of the product, making the installation process simple and convenient. Colour:Green Material:Meta