Universal Fit: Designed for a broad array of refrigerators, the Micro-type P-711 is compatible with models including but not limited to S1521, S1531, S1621, S1631, and up to RM7832. This extensive compatibility ensures it meets the needs of most RV refrigeration systems. Direct Replacement: Effortlessly replace existing black box boards with part numbers starting with '293'. Compatible replacements include 2931842.01 through 2931843.04, and others like 2932691.017 and 2932881.010, making it a versatile solution for refrigerator repairs. Advanced Features: Equipped with automatic system detection and built-in temperature adjustment, the Micro-type P-711 offers surge protection and a sophisticated thermocouple circuit. It supports both fixed-temp and adjustable-temperature units, enhancing food preservation. Construction: Made with high-grade materials, the Micro-type P-711 control board is moisture-, ensuring reliable performance and in various environmental conditions. It's built to last, providing peace of mind for continuous use. Premium Construction: Made with high-grade materials, this part not only promises but also guarantees robust performance under various operating conditions. It's an essential upgrade for anyone looking to maintain their appliance in top condition. The product appearance and printed words depending on the batch, but this does not affect use Material: PCB Color: Green Package Contents: 1*Refrigerator Control Circuit Board 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 a little different from the real thing. The measurement allowed error is +/- 1-3cm.