IFSWSBF-1 Industrial Taco Flow Switches

Taco Flow Switches is Originally developed for the fire protection industry, the materials of construction, operation, and dependability of the Taco Industrial Flow Switch are superior to any other product on the market. It is overwhelmingly preferred by boiler manufacturers and comes with the industry’s only 3-year warranty. The Taco Industrial Flow Switch (IFS) starts or stops electronically operated equipment when a flow or no flow condition occurs. The IFS can be used in 1” to 8” liquid flow lines, carrying water or any nonhazardous fluid not harmful to brass, stainless steel, or EPDM. It is used in a wide variety of applications including heating systems, domestic water boosters, process work, water systems, chillers and on low mass boilers.

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  • EPDM Seal Superior to Competitor’s Mechanical Bellows
  • Little Mechanical Wear or Fatigue
  • Stainless Steel Paddles & Trip Rods
  • NEMA 1 and NEMA 4 Models
  • Single or Double Switch Models
  • High Current Models Available
  • For Use on 1” to 8” Diameter Pipe
  • UL, CSA, CE Approved


  • Hot Water Heating Systems
  • Domestic Water Boosters
  • Process Work
  • Hydronic Heating & Cooling
  • Chillers
  • Low Mass Boilers