FMM Fluid Monitoring Module

Neptune Systems FMM – Fluid Monitoring Module expands your Apex Controller with four sensor ports and one DC24V accessory port for comprehensive system oversight. Monitor flow rates across return lines and equipment, detect leaks in critical areas, and automate water level management for top-offs and mixing tasks. Compatible with Apex A2 and A3 controllers, the FMM integrates seamlessly via Apex Fusion to trigger alerts, equipment shutdowns, and automated responses. Supports flow sensors, optical water level sensors, leak detectors, and accessories like solenoid valves and utility pumps. Compact, plug-and-play design simplifies installation and expansion as your reef system evolves. Requires Neptune Apex Controller; sensors and accessories sold separately.