F261KAH-V01C Fluid Flow Switch, Type 3R Enclosure, 1 2 3 And 6″ Stainless Steel Paddles. The F261 Series Flow Switches respond to fluid flow in lines carrying water, ethylene glycol, or other nonhazardous fluids. These models also work in applications with swimming pool water and lubricating oils.

F261 Series Standard Flow Switches use a variety of paddle sizes to respond to fluid flow rates in applications with pipe sizes greater than 1 inch trade size.