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4\

4" Waterflow Detector

SKU :
WFD40NA
Model:
System Sensor WFDNA Series
PRODUCT SPECIFICATIONS
DESCRIPTION
PRODUCT SPECIFICATIONS

The WFD40NA is a waterflow detector for use with 4" pipe.

• NEMA 4 rated
• Audible and visual switch activation
• Switch Synchronization activates both alarm panel and local bell
or horn strobe
• Tamper-resistant cover screws
• Fits Schedule Piping 7 through 40
• Pipe Size 4" / Hole Size 2"

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Certifications
ULC Factory Mutual
PRODUCT SPECIFICATIONS
PRODUCT SPECIFICATIONS
SUPPORTING DOCUMENTS
SKU Listing Hole Size (In.) Pipe Size (In.) Other Switch Type Enclosure Rating
WFD40NA ULC, FM 2 4 7 thru 40 Schedule Pipe 2 x SPDT NEMA 4
WFD20NA ULC, FM 1-1/4 2 7 thru 40 Schedule Pipe 2 x SPDT NEMA 4
WFD25NA ULC, FM 1-1/4 2-1/2 7 thru 40 Schedule Pipe 2 x SPDT NEMA 4
WFD30NA ULC, FM 2 3 7 thru 40 Schedule Pipe 2 x SPDT NEMA 4
WFD50NA ULC, FM 2 5 10 thru 40 Schedule Pipe 2 x SPDT NEMA 4
WFD60NA ULC, FM 2 6 10 thru 40 Schedule Pipe 2 x SPDT NEMA 4
WFD80NA 2 8 10 thru 40 Schedule Pipe 2 x SPDT NEMA 4
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Product Spec Sheet
Installation & Maintenance Instructions
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