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Irrigation Sensors

Take your irrigation system from simply “on a schedule” to smart and responsive. In our Irrigation Sensors collection you’ll find devices that provide real-time data, helping your system water only when needed—avoiding waste, runoff and stressed plants.

Sensors like rain shut-off, soil-moisture probes, flow & pressure meters, freeze sensors and more allow you to monitor key conditions in your landscape. For instance, a rain sensor stops irrigation when sufficient rainfall has occurred. Soil-moisture sensors detect moisture levels in the root-zone and override fixed timers when the ground is still wet. Flow sensors monitor water movement through your system, alerting you to leaks or blockages.

In this collection you’ll find:

  • Rain sensors that mount outdoors to prevent irrigation after storm events. 

  • Soil-moisture and temperature sensors that measure root-zone conditions for smarter watering.

  • Flow, pressure and system-health sensors that help you detect inefficiencies or system faults early.

  • Sensors compatible with DIY systems, homeowner setups and pro irrigation systems—so whether you’re doing a home lawn or a large landscape you’re covered.

Why shop with Big Frog Supply? Because we understand irrigation, plumbing and lighting—and we know sensors aren’t just “extras,” they’re performance tools. We bring you sensor equipment, clear specs and real-world help to ensure you select the right device for your system size, environment and budget.

  • Sold out

    Hunter Industries - RFC - Rain-Clik Rain Freeze Sensor

    Hunter Industries
    $ 60.85 - $ 60.85
    $ 60.85
    $ 60.85 - $ 60.85
    $ 60.85

    Most rain-sensing devices work by accumulating a set amount of rainfall before a switch is activated that interrupts the circuit from the controlle...

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    $ 60.85 - $ 60.85
    $ 60.85
    $ 60.85 - $ 60.85
    $ 60.85
    Sold out
  • Sold out

    Hunter Industries - WRFCLIK - Wireless Sprinkler Rain Freeze Sensor

    Hunter Industries
    $ 103.63 - $ 103.63
    $ 103.63
    $ 103.63 - $ 103.63
    $ 103.63

    Most rain-sensing devices work by accumulating a set amount of rainfall before a switch is activated that interrupts the circuit from the controlle...

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    $ 103.63 - $ 103.63
    $ 103.63
    $ 103.63 - $ 103.63
    $ 103.63
    Sold out
  • Sold out

    Hunter Industries - MINICLIKH - Mini-Clik Rain Sensor, High Voltage

    Hunter Industries
    $ 52.38 - $ 52.38
    $ 52.38
    $ 52.38 - $ 52.38
    $ 52.38

    Irrigating a landscape during a rainstorm not only results in oversaturated plants and turf, it also wastes water. Hunter's Mini Clik rain sensor p...

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    $ 52.38 - $ 52.38
    $ 52.38
    $ 52.38 - $ 52.38
    $ 52.38
    Sold out
  • Sold out

    Rain Bird - FG100SS - Flow Sensor, Slip

    Rain Bird
    $ 92.39 - $ 92.39
    $ 92.39
    $ 92.39 - $ 92.39
    $ 92.39

    Spec Sheet Help protect your customers’ property and landscape with the FG100 Flow Sensor. Designed for residential and smaller commercial applicat...

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    $ 92.39 - $ 92.39
    $ 92.39
    $ 92.39 - $ 92.39
    $ 92.39
    Sold out
  • Rain Bird - Anemometer Wind Speed Sensor - - Irrigation - Big Frog Supply

    Rain Bird - ANEMOMETER - Anemometer Wind Speed Sensor

    Rain Bird
    $ 1,177.04 - $ 1,177.04
    $ 1,177.04
    $ 1,177.04 - $ 1,177.04
    $ 1,177.04

    Spec Sheet Accurate wind speed measurement for high-wind shutdown or interrupt of irrigation programs Precision three-cup anemometer for measuring...

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    $ 1,177.04 - $ 1,177.04
    $ 1,177.04
    $ 1,177.04 - $ 1,177.04
    $ 1,177.04

  • Rain Bird IVMSEN Field Device for Signal Line and Analog or Digital Sensor

    Rain Bird
    $ 714.50 - $ 714.50
    $ 714.50
    $ 714.50 - $ 714.50
    $ 714.50

    Field device for interfacing between signal line and analog or digital sensor. IVM-SEN Interfaces with LX-IVM to control weather sensors or flow s...

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    $ 714.50 - $ 714.50
    $ 714.50
    $ 714.50 - $ 714.50
    $ 714.50
  • Sold out

    Rain Bird - IVMSEN - Interfacing Device for Signal Line and Analog or Digital Sensor

    Rain Bird
    $ 433.58 - $ 433.58
    $ 433.58
    $ 433.58 - $ 433.58
    $ 433.58

    Field device for interfacing between signal line and analog or digital sensor. IVM-SEN Interfaces with LX-IVM to control weather sensors or fl ow ...

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    $ 433.58 - $ 433.58
    $ 433.58
    $ 433.58 - $ 433.58
    $ 433.58
    Sold out

  • Rain Bird - UFS200 - 2" Ultrasonic Series Flow, NPT

    Rain Bird
    $ 1,426.43 - $ 1,426.43
    $ 1,426.43
    $ 1,426.43 - $ 1,426.43
    $ 1,426.43

    Spec Sheet  Install Manual Compatible with IQ3, IQ4, Maxicom, SiteControl, LINK, Site SAT, ESP- LXD, LXME2 Pro, LXMEF, ESP-ME3 and LX-IVM Contro...

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    $ 1,426.43 - $ 1,426.43
    $ 1,426.43
    $ 1,426.43 - $ 1,426.43
    $ 1,426.43

  • Rain Bird - UFS150 - 1.5" Ultrasonic Series Flow, NPT

    Rain Bird
    $ 1,342.00 - $ 1,342.00
    $ 1,342.00
    $ 1,342.00 - $ 1,342.00
    $ 1,342.00

    Spec Sheet  Install Sheet Compatible with IQ3, IQ4, Maxicom, SiteControl, LINK, Site SAT, ESP- LXD, LXME2 Pro, LXMEF, ESP-ME3 and LX-IVM Control...

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    $ 1,342.00 - $ 1,342.00
    $ 1,342.00
    $ 1,342.00 - $ 1,342.00
    $ 1,342.00

  • Rain Bird - UFS100 - 1" Ultrasonic Series Flow, NPT

    Rain Bird
    $ 1,037.66 - $ 1,037.66
    $ 1,037.66
    $ 1,037.66 - $ 1,037.66
    $ 1,037.66

    Spec Sheet  Install Manual Compatible with IQ3, IQ4, Maxicom, SiteControl, LINK, Site SAT, ESP- LXD, LXME2 Pro, LXMEF, ESP-ME3 and LX-IVM Contro...

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    $ 1,037.66 - $ 1,037.66
    $ 1,037.66
    $ 1,037.66 - $ 1,037.66
    $ 1,037.66
  • Rain Bird - FS350SS - 3 1/2 in Stainless Steel Insert Type Flow Sensor - - Irrigation - Big Frog Supply
    Sold out

    Rain Bird - FS350SS - 3 1/2" Stainless Steel Insert Type Flow Sensor

    Rain Bird
    $ 843.99 - $ 843.99
    $ 843.99
    $ 843.99 - $ 843.99
    $ 843.99

    Spec Sheet Install Manual Rain Bird flow sensors send flow data to central control or stand-alone controller systems for precise and accurate f...

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    $ 843.99 - $ 843.99
    $ 843.99
    $ 843.99 - $ 843.99
    $ 843.99
    Sold out
  • Rain Bird - FS400P - 4 in. PVC Tee Flow Sensor - - Irrigation - Big Frog Supply
    Sold out

    Rain Bird - 4" PVC Tee Flow Sensor

    Rain Bird
    $ 851.00 - $ 851.00
    $ 851.00
    $ 851.00 - $ 851.00
    $ 851.00

    Spec Sheet Install Manual Rain Bird flow sensors send flow data to central control or stand-alone controller systems for precise and accurate flo...

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    $ 851.00 - $ 851.00
    $ 851.00
    $ 851.00 - $ 851.00
    $ 851.00
    Sold out
  • Rain Bird - FS300P - 3 in. PVC Tee Flow Sensor - - Irrigation - Big Frog Supply
    Sold out

    Rain Bird - FS300P - 3" PVC Tee Flow Sensor

    Rain Bird
    $ 815.54 - $ 815.54
    $ 815.54
    $ 815.54 - $ 815.54
    $ 815.54

    Spec Sheet Install Manual Rain Bird flow sensors send flow data to central control or stand-alone controller systems for precise and accurate fl...

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    $ 815.54 - $ 815.54
    $ 815.54
    $ 815.54 - $ 815.54
    $ 815.54
    Sold out

  • Hydro-Rain - BHP-FFS - B-hyve Wireless Flood/Freeze Sensor for B-hyve hub

    Hydro-Rain
    $ 32.89 - $ 32.89
    $ 32.89
    $ 32.89 - $ 32.89
    $ 32.89

    B-HYVE FLOOD FREEZE SENSOR  Water intrusion in the home causes extensive damage unless it is caught right away. The B-hyve™ Freeze Sensor for B-hyv...

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    $ 32.89 - $ 32.89
    $ 32.89
    $ 32.89 - $ 32.89
    $ 32.89

Pro tip: Install your sensor in a representative location—e.g., a soil-moisture sensor in the root-zone of the typical plant type, a rain sensor in an open area away from overhangs—and configure the threshold settings according to your site conditions. Regularly check sensor wiring, cleaning and calibration. A good sensor can save significant water and protect your landscape long-term.

Browse the collection, pick the sensor type that fits your goals, and start monitoring smarter today.

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