logo
Quick Order
Sign in
    • Chemicals, Lubricants & Sealants
    • Plumbing
    • Garbage Disposals
    • PVF
    • Hangers, Struts & Fasteners
    • Fire Protection
    • Tape & Packaging Supplies
    • Pumps
    • HVAC
    • Tools & Supplies
    • Testing & Measuring
    • Safety & Security
    • Steam Products
    • Seals, Gaskets & Packing
    • Waterworks
  • Brands
  • Branch Locations
  • Showrooms
  • Promotions
  • Blog
  • Credit Application
  • Home/
  • Fire Protection / Fire System Testing & Alarms / Flow Switches

Flow Switches

Flow switches monitor fluid movement, ensuring efficiency and safety in various systems.

Brand

Showing 9 of 9 Results

2 WFD20N 10/40 DPDT FLOW SWITCH

2 WFD20N 10/40 DPDT FLOW SWITCH

PN: 79064

What's the price?

Sign in or Register for Pricing and Inventory

System Sensor® WFD

System Sensor® WFD

PN: 356542

What's the price?

Sign in or Register for Pricing and Inventory

System Sensor WFD80N

System Sensor WFD80N

PN: 600
MPN: WFD80N

What's the price?

Sign in or Register for Pricing and Inventory

System Sensor® WFD Waterflow Detector Switch

System Sensor® WFD Waterflow Detector Switch

PN: 79485

What's the price?

Sign in or Register for Pricing and Inventory

System Sensor® WFD Waterflow Detector Switch

System Sensor® WFD Waterflow Detector Switch

PN: 79176

What's the price?

Sign in or Register for Pricing and Inventory

3 WFD30N - 10/40 DPDT FLOW SWITCH

3 WFD30N - 10/40 DPDT FLOW SWITCH

PN: 79246

What's the price?

Sign in or Register for Pricing and Inventory

System Sensor WFD50N Waterflow Detector, 5"

System Sensor WFD50N Waterflow Detector, 5"

PN: 337
UPC: 783863045875
MPN: WFD50N

What's the price?

Sign in or Register for Pricing and Inventory

System Sensor 6" Water flow Switch

System Sensor 6" Water flow Switch

PN: 404
MPN: WFD60N

What's the price?

Sign in or Register for Pricing and Inventory

Potter Roemer 1144460 VSR-SG Water Flow Switch

Potter Roemer 1144460 VSR-SG Water Flow Switch

PN: 959857
MPN: VSR-SG

What's the price?

Sign in or Register for Pricing and Inventory

1 - 9 of 9

Flow switches are essential devices used to monitor and control fluid movement within various systems. They detect changes in flow rates and provide critical feedback to ensure optimal operation and safety. Commonly utilized in industrial applications, HVAC systems, and water management, flow switches enhance efficiency and prevent potential system failures by triggering alarms or shutting down equipment when necessary.
Shop
  • Locations
  • Showrooms
  • Promotions
  • Create an Account
Customer Service
  • Contact Us
  • FAQs
  • Returns
  • Credit Application
  • Billtrust Payments
Corporate
  • About Us
  • Careers
  • Subsidiaries
Divisions
  • Plumbing
  • Fire & Fabrication
  • HVAC
  • Municipal
  • Waterworks
Stay Connected
  • Facebook
  • LinkedIn
  • Instagram
  • Youtube

Don’t miss exclusive updates, expert tips, and special offers. Join our email list and make sure you never miss out!

  • Subscribe Now
  • Newsletter Signup

©2026 Etna Supply Company. All Rights Reserved.

  • Privacy Policy
  • Terms of Use