Neptune Systems 1" Flow Sensor FS100

Overview

The Neptune Systems FS-100 Flow Sensor allows you to accurately measure and monitor water flow through your aquarium’s plumbing. Designed for use with the FMM (Fluid Monitoring Module), this inline sensor provides real-time data to your Apex, helping you optimize return pump performance and quickly detect clogs, restrictions, or pump issues. With a flow range of 150–1500 GPH, it’s ideal for medium-to-large aquarium systems.

Key Features

• Accurate Flow Monitoring – Measures flow rates between 150–1500 GPH.

• Inline Installation – Fits seamlessly into standard 1" PVC plumbing.

• Apex Integration – Connects to the FMM for real-time data in Apex Fusion.

• Durable & Reliable – Built to withstand continuous aquarium use in freshwater or saltwater.

• Custom Fittings Included – Comes with two BSPP x 1" slip unions for easy installation with standard plumbing.

Product Specifications

• Model: FS-100 Flow Sensor

• Connection: FMM Module (Fluid Monitoring Module)

• Flow Range: 150–1500 GPH

• Plumbing Size: 1" Slip PVC

• Thread Type: BSPP (British Standard Parallel Pipe)

• Application: Inline installation for return pumps or flow lines

What’s Included

• (1) FS-100 1" Flow Sensor

• (2) BSPP x 1" Slip Unions