Technical DocumentationFT-110 Turbine Sensor: 0.26–66 GPM Output Specs7/22/2025For P/Ns 173935-C, 173935-D, 244425-C, 244425-D, 173940-C, 173940-Dft-110-.26_6.6-gpm-frequency-output.pdf (gemssensors.com)