Yes, you can replace your Fike 63-1025 detector with the newer Fike 63-1307 model. The 63-1307 is designed as a direct replacement for the 63-1025, offering enhanced features and compatibility while maintaining the same functionality. Ensure you follow proper installation and testing procedures as outlined in the manufacturer’s instructions to ensure optimal performance and compliance with safety regulations. If you have any specific questions or concerns during the replacement process, feel free to reach out for assistance.