# System Sensor WFD40N Waterflow Detector 4" Fire Sprinkler Monitoring

Ensure critical fire safety with the System Sensor WFD40N 4 inch Waterflow Detector designed for robust fire sprinkler monitoring. This essential component for industrial automation systems provides reliable detection of water flow within sprinkler systems offering a vital layer of protection. Its robust design ensures long-term performance in demanding environments.

Engineered for precision and durability the System Sensor WFD40N operates effectively with 125/250VAC at 10.0A and 24VDC at 2.5A. It is specifically designed for Sch 7 through 40 steel pipe and accommodates a 2 inch hole size making installation straightforward. This detector is a key element in maintaining the integrity of your fire suppression infrastructure.

-   **Reliable Waterflow Detection** for immediate fire event notification
-   **Durable Construction** built for industrial automation environments
-   **Wide Compatibility** with standard steel pipe sizes and hole diameters
-   **Efficient Operation** with specified AC and DC voltage and current ratings
-   **Essential Fire Safety Component** for sprinkler system integrity

## Details

- **Price:** 999.0 USD
- **Vendor:** System Sensor
- **Type:** Safety Equipment > Fire Detection > Waterflow Detectors
- **Tags:** 4 inch detector, fire safety equipment, fire sprinkler monitoring, industrial automation, Ram Automations, sprinkler system component, System Sensor WFD40N, waterflow detector

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 999.00 USD | In stock |

## Images

- System Sensor WFD40N Waterflow Detector 4" Fire Sprinkler Monitoring-Ram Automations

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> Source: [Ram Automations](https://ramautomations.com/products/system-sensor-wfd40n-4-waterflow-detector)
> Updated: 2026-10-09