1. **Enhanced Compatibility**: Fully compatible with part numbers 521593, 902175, and 9237-192. Works seamlessly with EasyTouch PL4/PSL4 and IntelliTouch i5+3 systems for optimal pool control.<br> 2. **Superior Quality**: High-quality materials and advanced manufacturing ensure excellent insulation and anti-leakage performance for reliable pool system management.<br> 3. **Efficient Pool Control**: Designed for smooth operation, allowing easy management of pool functions for optimal performance.<br> 4. **Advanced Technology**: Features a Stabilizer Power Module with high-grade filtering capacitors and quality power chips, delivering pure DC power and precise output control.<br> **Type**: Hand Tool Parts<br> **Model**: 521218<br> **Specifications**: 521218<br> **Note**: Product appearance may vary slightly by batch but does not affect functionality.<br> **Color**: Green<br> **Material**: PCB<br> **Package Includes**:<br> 1 �� Surge Board<br> *Disclaimer: Slight color variations may occur due to lighting or display settings. Measurement tolerance: +/- 1-3cm.*<br> Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Sold by-DIMEANI official store