Starting at $220.00
  • Usually ships in 1-2 weeks



  • Model LC30 Thermo-Flo Flow Controller
  • Connects to all Flowline flow switches (FT10/GT10)
  • Fail-safe relay control of pumps or valves with 0-60 second delay
  • Sensor input: (1) flow switch
  • Contact type: (1) SPDT relay
  • LED indication: sensor, power & relay
  • Polypropylene enclosure rated NEMA 4X
  • Sensor supply: 24 VDC @ 50 mA
  • Strobe type option:
    • -10X1: N/A
    • -10X2: Xenon tube
  • Strobe flash option:
    • -10X1: N/A
    • -10X2: (1) per second
  • Contact rating: 250 VAC @ 10A
  • Consumption: 0.25A maximum
  • Supply voltage: 120 / 240 VAC @ 50-60 Hz


The Flowline LC30 Thermo-Flo Flow Controller is a general purpose flow controller that accepts one flow sensor input, and provides one 16A relay for low flow pump or process protection. The optional flash alarm brings attention to low-flow alarm conditions. Package this flow controller with our liquid or gas flow switch sensors.

Additional features / benefits of the Flowline LC30 Thermo-Flo Flow Switch include:

  • Optional strobe brings immediate attention to flow alarm conditions
  • Polypropylene enclosure rated NEMA 4X with swivel base for conduit alignment
  • Easy setup with LED indicators for sensor, power and relay status
  • Invert switch changes relay state from NO to NC without rewiring
  • Compatible with Flowline liquid and gas flow switch sensors
  • Connects to all Flowline flow switches (FT10/GT10)
  • Mounts directly onto flow switch
  • Switches load up to 10 Amps including valves, horns, and buzzers
  • Ideal for chemical injection lines
  • Optional visual alarm