SYSTEM SENSOR (WFD20N) 2″ Waterflow Detector, Schedule 10/40

The System Sensor WFD20N 2″ Waterflow Detector is a critical component for comprehensive fire protection monitoring in commercial and industrial wet pipe sprinkler systems. Engineered to provide rapid and reliable water flow detection, this precision sensor is designed to activate fire alarm systems immediately upon detecting water movement in sprinkler pipes, enabling swift emergency response and potential life safety interventions.

Compatible with Schedule 10 and Schedule 40 piping configurations, the WFD20N integrates seamlessly into complex fire suppression infrastructures across diverse facility types, including office complexes, manufacturing facilities, warehouses, and institutional buildings. Its robust construction ensures consistent performance in challenging environmental conditions, delivering dependable monitoring for critical fire protection infrastructure.

Key Features

• NFPA 72 compliant waterflow sensor for commercial fire alarm systems
• Compatible with Schedule 10 and Schedule 40 pipe configurations
• Precision mechanical design with tamper-resistant mechanical paddle
• Low-maintenance construction with corrosion-resistant materials
• Supports both supervised and non-supervised alarm circuit configurations
• UL Listed and FM Approved for reliable performance

Specifications

• Operating Temperature Range: 32°F to 120°F (0°C to 49°C)
• Maximum Working Pressure: 175 PSI
• Switch Type: Single Pole, Double Throw (SPDT)
• Pipe Sizes: 2″ nominal pipe diameter
• Electrical Rating: 10A @ 125/250VAC, 1/2A @ 125VDC

Ideal for integration with addressable fire alarm control panels from manufacturers like Simplex, Notifier, and Edwards, the WFD20N provides critical water flow detection for comprehensive fire protection strategies. Professional installers will appreciate its straightforward mounting configuration and compatibility with standard sprinkler system designs.

Compliance with critical industry standards including NFPA 72, UL 268, and UL 464 ensures that this waterflow detector meets the most stringent safety and performance requirements for commercial fire protection infrastructure.

For more information, contact the Life Safety Consultants team at (888) 557-0558, or email us at: sales@lifesafetycom.com