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:
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Rain sensors that mount outdoors to prevent irrigation after storm events.
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Soil-moisture and temperature sensors that measure root-zone conditions for smarter watering.
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Flow, pressure and system-health sensors that help you detect inefficiencies or system faults early.
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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.
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Rain Bird - WR2RFC - Wireless Rain-Freeze Combo
Rain BirdOriginal price $ 78.25 - Original price $ 78.25Original price$ 78.25$ 78.25 - $ 78.25Current price $ 78.25Rain Bird WR2RFC Wireless Rain/Freeze Sensor & Timer Take the guesswork out of watering and save up to 35% on water usage with the Rain Bird W...
View full detailsOriginal price $ 78.25 - Original price $ 78.25Original price$ 78.25$ 78.25 - $ 78.25Current price $ 78.25 -
Rain Bird WR2RFC-48 Wireless Rain/Freeze Sensor Combo with 48 Hour Rain Delay
Rain BirdOriginal price $ 84.55 - Original price $ 84.55Original price$ 84.55$ 84.55 - $ 84.55Current price $ 84.55Rain Bird WR2RFC-48 Rain Freeze Sensor with 48 Hour Delay Stop watering in the rain and save money with the Rain Bird WR2RFC-48 Wireless Rain/Freez...
View full detailsOriginal price $ 84.55 - Original price $ 84.55Original price$ 84.55$ 84.55 - $ 84.55Current price $ 84.55 -
Rain Bird - RSDBEX - RSD Series Rain Sensor with Latching Bracket and Extension Wire
Rain BirdOriginal price $ 21.35 - Original price $ 21.35Original price$ 21.35$ 21.35 - $ 21.35Current price $ 21.35Install Manual The Rain Bird® RSD Series Rain Sensor automatically shuts off your sprinkler system when it rains, so you don’t have to worry when y...
View full detailsOriginal price $ 21.35 - Original price $ 21.35Original price$ 21.35$ 21.35 - $ 21.35Current price $ 21.35 -
Rain Bird - MJ100B - 1 in. Brass Flow Sensor for ESP-ME3
Rain BirdOriginal price $ 140.13 - Original price $ 140.13Original price$ 140.13$ 140.13 - $ 140.13Current price $ 140.13Choose Affordable Protection Over Costly Leaks With cost-effective flow-sensing technology from Rain Bird, you can help homeowners avoid small...
View full detailsOriginal price $ 140.13 - Original price $ 140.13Original price$ 140.13$ 140.13 - $ 140.13Current price $ 140.13Sold out -
Rain Bird FG100 1-INCH WIRED PLASTIC FLOW SENSOR WITH NPT THREADED UNIONS
Rain BirdOriginal price $ 103.99 - Original price $ 103.99Original price$ 103.99$ 103.99 - $ 103.99Current price $ 103.99Rain Bird FG100 1-INCH Flow Sensor Take full control of your water usage and protect your landscape with the Rain Bird FG100 1-INCH WIRED PLASTIC...
View full detailsOriginal price $ 103.99 - Original price $ 103.99Original price$ 103.99$ 103.99 - $ 103.99Current price $ 103.99 -
Rain Bird FS100P 1" PVC Tee Flow Sensor
Rain BirdOriginal price $ 588.61 - Original price $ 588.61Original price$ 588.61$ 588.61 - $ 588.61Current price $ 588.61Rain Bird FS100P 1 Inch Tee Flow Sensor Gain complete control over your irrigation system with the Rain Bird FS100P 1" PVC Tee Flow Sensor. This es...
View full detailsOriginal price $ 588.61 - Original price $ 588.61Original price$ 588.61$ 588.61 - $ 588.61Current price $ 588.61Sold out -
Rain Bird - WR2RFI - Interface Only for Rain/Freeze Sensors
Rain BirdOriginal price $ 52.65 - Original price $ 52.65Original price$ 52.65$ 52.65 - $ 52.65Current price $ 52.65Spec Sheet Install Manual Rain and rain/freeze sensors are becoming “must have” components for irrigation systems these days. Rain Bird designed th...
View full detailsOriginal price $ 52.65 - Original price $ 52.65Original price$ 52.65$ 52.65 - $ 52.65Current price $ 52.65Sold out -
Rain Bird - FS200P - 2" PVC Tee Flow Sensor
Rain BirdOriginal price $ 741.08 - Original price $ 741.08Original price$ 741.08$ 741.08 - $ 741.08Current price $ 741.08Spec Sheet Install Manual Rain Bird flow sensors send flow data to central control or stand-alone controller systems for precise and accurate flow...
View full detailsOriginal price $ 741.08 - Original price $ 741.08Original price$ 741.08$ 741.08 - $ 741.08Current price $ 741.08Sold out -
Rain Bird - FS100B - 1" Brass Tee Flow Sensor
Rain BirdOriginal price $ 748.17 - Original price $ 748.17Original price$ 748.17$ 748.17 - $ 748.17Current price $ 748.17Spec Sheet Install Manual Rain Bird flow sensors send flow data to central control or stand-alone controller systems for precise and accurate flo...
View full detailsOriginal price $ 748.17 - Original price $ 748.17Original price$ 748.17$ 748.17 - $ 748.17Current price $ 748.17Sold out -
Rain Bird - PTPWRSUPP - 120V to 12V Power Supply for PT322 or PT3002 Pulse Transmitter
Rain BirdOriginal price $ 112.26 - Original price $ 112.26Original price$ 112.26$ 112.26 - $ 112.26Current price $ 112.26Power supply for Rain Bird PT322 or PT3002 pulse transmitter.
Original price $ 112.26 - Original price $ 112.26Original price$ 112.26$ 112.26 - $ 112.26Current price $ 112.26 -
Rain Bird - PT322 - Pulse Transmitter - No Display
Rain BirdOriginal price $ 602.80 - Original price $ 602.80Original price$ 602.80$ 602.80 - $ 602.80Current price $ 602.80Install Manual Reliable solid-state design Transmits flow data from FS series flow sensors Programmable from a laptop computer Dimensions Widt...
View full detailsOriginal price $ 602.80 - Original price $ 602.80Original price$ 602.80$ 602.80 - $ 602.80Current price $ 602.80Sold out -
Rain Bird - FS150P - 1 1/2" PVC Tee Flow Sensor
Rain BirdOriginal price $ 638.25 - Original price $ 638.25Original price$ 638.25$ 638.25 - $ 638.25Current price $ 638.25Spec Sheet Install Manual Rain Bird flow sensors send flow data to central control or stand-alone controller systems for precise and accurate f...
View full detailsOriginal price $ 638.25 - Original price $ 638.25Original price$ 638.25$ 638.25 - $ 638.25Current price $ 638.25Sold out -
Rain Bird - SMRT-Y - Soil Moisture Sensor Kit
Rain BirdOriginal price $ 277.39 - Original price $ 277.39Original price$ 277.39$ 277.39 - $ 277.39Current price $ 277.39Spec Sheet Install Manual Accurate - Reliable - Smart It’s time for a little feedback from the roots. With the new SMRT-Y Soil Moisture Sensor...
View full detailsOriginal price $ 277.39 - Original price $ 277.39Original price$ 277.39$ 277.39 - $ 277.39Current price $ 277.39Sold out -
Rain Bird - FS350B - 3 1/2" Brass Insert Type Flow Sensor
Rain BirdOriginal price $ 851.00 - Original price $ 851.00Original price$ 851.00$ 851.00 - $ 851.00Current price $ 851.00Rain Bird flow sensors send flow data to central control or stand-alone controller systems for precise and accurate flow monitoring. Rain Bird fl...
View full detailsOriginal price $ 851.00 - Original price $ 851.00Original price$ 851.00$ 851.00 - $ 851.00Current price $ 851.00Sold out -
Rain Bird - FG100SS - Flow Sensor, Slip
Rain BirdOriginal price $ 92.39 - Original price $ 92.39Original price$ 92.39$ 92.39 - $ 92.39Current price $ 92.39Spec Sheet Help protect your customers’ property and landscape with the FG100 Flow Sensor. Designed for residential and smaller commercial applicat...
View full detailsOriginal price $ 92.39 - Original price $ 92.39Original price$ 92.39$ 92.39 - $ 92.39Current price $ 92.39Sold out -
Rain Bird - ANEMOMETER - Anemometer Wind Speed Sensor
Rain BirdOriginal price $ 1,177.04 - Original price $ 1,177.04Original price$ 1,177.04$ 1,177.04 - $ 1,177.04Current price $ 1,177.04Spec Sheet Accurate wind speed measurement for high-wind shutdown or interrupt of irrigation programs Precision three-cup anemometer for measuring...
View full detailsOriginal price $ 1,177.04 - Original price $ 1,177.04Original price$ 1,177.04$ 1,177.04 - $ 1,177.04Current price $ 1,177.04 -
Rain Bird IVMSEN Field Device for Signal Line and Analog or Digital Sensor
Rain BirdOriginal price $ 714.50 - Original price $ 714.50Original price$ 714.50$ 714.50 - $ 714.50Current price $ 714.50Field device for interfacing between signal line and analog or digital sensor. IVM-SEN Interfaces with LX-IVM to control weather sensors or flow s...
View full detailsOriginal price $ 714.50 - Original price $ 714.50Original price$ 714.50$ 714.50 - $ 714.50Current price $ 714.50Sold out -
Rain Bird - IVMSEN - Interfacing Device for Signal Line and Analog or Digital Sensor
Rain BirdOriginal price $ 433.58 - Original price $ 433.58Original price$ 433.58$ 433.58 - $ 433.58Current price $ 433.58Field device for interfacing between signal line and analog or digital sensor. IVM-SEN Interfaces with LX-IVM to control weather sensors or fl ow ...
View full detailsOriginal price $ 433.58 - Original price $ 433.58Original price$ 433.58$ 433.58 - $ 433.58Current price $ 433.58Sold out -
Rain Bird - UFS200 - 2" Ultrasonic Series Flow, NPT
Rain BirdOriginal price $ 1,426.43 - Original price $ 1,426.43Original price$ 1,426.43$ 1,426.43 - $ 1,426.43Current price $ 1,426.43Spec Sheet Install Manual Compatible with IQ3, IQ4, Maxicom, SiteControl, LINK, Site SAT, ESP- LXD, LXME2 Pro, LXMEF, ESP-ME3 and LX-IVM Contro...
View full detailsOriginal price $ 1,426.43 - Original price $ 1,426.43Original price$ 1,426.43$ 1,426.43 - $ 1,426.43Current price $ 1,426.43 -
Rain Bird - UFS150 - 1.5" Ultrasonic Series Flow, NPT
Rain BirdOriginal price $ 1,342.00 - Original price $ 1,342.00Original price$ 1,342.00$ 1,342.00 - $ 1,342.00Current price $ 1,342.00Spec Sheet Install Sheet Compatible with IQ3, IQ4, Maxicom, SiteControl, LINK, Site SAT, ESP- LXD, LXME2 Pro, LXMEF, ESP-ME3 and LX-IVM Control...
View full detailsOriginal price $ 1,342.00 - Original price $ 1,342.00Original price$ 1,342.00$ 1,342.00 - $ 1,342.00Current price $ 1,342.00 -
Rain Bird - UFS100 - 1" Ultrasonic Series Flow, NPT
Rain BirdOriginal price $ 1,037.66 - Original price $ 1,037.66Original price$ 1,037.66$ 1,037.66 - $ 1,037.66Current price $ 1,037.66Spec Sheet Install Manual Compatible with IQ3, IQ4, Maxicom, SiteControl, LINK, Site SAT, ESP- LXD, LXME2 Pro, LXMEF, ESP-ME3 and LX-IVM Contro...
View full detailsOriginal price $ 1,037.66 - Original price $ 1,037.66Original price$ 1,037.66$ 1,037.66 - $ 1,037.66Current price $ 1,037.66 -
Rain Bird - FS350SS - 3 1/2" Stainless Steel Insert Type Flow Sensor
Rain BirdOriginal price $ 843.99 - Original price $ 843.99Original price$ 843.99$ 843.99 - $ 843.99Current price $ 843.99Spec Sheet Install Manual Rain Bird flow sensors send flow data to central control or stand-alone controller systems for precise and accurate f...
View full detailsOriginal price $ 843.99 - Original price $ 843.99Original price$ 843.99$ 843.99 - $ 843.99Current price $ 843.99Sold out -
Rain Bird - 4" PVC Tee Flow Sensor
Rain BirdOriginal price $ 851.00 - Original price $ 851.00Original price$ 851.00$ 851.00 - $ 851.00Current price $ 851.00Spec Sheet Install Manual Rain Bird flow sensors send flow data to central control or stand-alone controller systems for precise and accurate flo...
View full detailsOriginal price $ 851.00 - Original price $ 851.00Original price$ 851.00$ 851.00 - $ 851.00Current price $ 851.00Sold out -
Rain Bird - FS300P - 3" PVC Tee Flow Sensor
Rain BirdOriginal price $ 815.54 - Original price $ 815.54Original price$ 815.54$ 815.54 - $ 815.54Current price $ 815.54Spec Sheet Install Manual Rain Bird flow sensors send flow data to central control or stand-alone controller systems for precise and accurate fl...
View full detailsOriginal price $ 815.54 - Original price $ 815.54Original price$ 815.54$ 815.54 - $ 815.54Current price $ 815.54Sold out
