Penn Controls Baso Counterline F61KB-1 Flow Switch is a flow-detecting switch with SPDT (single-pole double-throw) contacts, designed to signal or control equipment based on liquid flow. It belongs to the Baso Counterline family and uses a paddle-based sensing element. The unit includes both a 3 in 1 paddle and a 6-inch paddle, enabling compatibility with multiple flow profiles and installation requirements. The F61KB-1 model designation identifies this specific configuration within the Baso Counterline line.
