The Best Flow Sensors

Looking for the best Flow Sensors?

Discover now our comparison of the best Flow Sensors. It is never easy to choose from the wide range of offers. On the market, you will find an incalculable number of models, all at different prices. And as you will discover, the best Flow Sensors are not always the ones at the highest prices! Many criteria are used, and they make the richness and relevance of this comparison.
To help you make the best choice among the hundreds of products available, we have decided to offer you a comparison of the Flow Sensors in order to find the best quality/price ratio. In this ranking, you will find products listed according to their price, but also their characteristics and the opinions of other customers. Also discover our comparisons by categories. You won’t have to choose your products at random anymore.

No. 1

GREDIA 1/4" Water Flow Sensor Food-Grade Switch Hall Effect Flowmeter Fluid Meter Counter Connect Hosepipe 0.3-6L/min

Connect to a hosepipe whose inner diameter is about 5 to 7 mm( G1/4 inch connector)
Flow range: 0.5-3L/min, Water Pressure: ≤0.8Mpa
Working voltage: DC 5-24 V, F=(98*Q)±3%, Q=L/Min
Material: food grade plastic, all raw materials conform to the ROHS test standard
Wide application: It is mainly used in water heater, coffee machine, water purifier, drinking fountain, beverage machine, campus smart card equipment, etc.

No. 2

JESSINIE 2Pcs YF-S201C DC3.5-24V G1/2" Transparent Flow Sensor Turbine Flowmeter Water Flow Sensor Transparent Water Flow Meter YF-S201C Range 1-30L/min

The flow sensor mainly consists of a plastic valve body, a water flow rotor assembly, and a Hall sensor.
The product has a lightweight and flexible appearance, small size, and is easy to install. The impeller is internally inlaid with stainless steel beads, which is wear-resistant. Design of lines and isolation from water.
Valve body is made of transparent material to facilitate observation of water flow and rotor conditions. All raw materials meet testing standards.
Working voltage range: black version DC3.5-12V; Transparent DC3.5-24V; Load capacity: ≤ 10 mA (DC 5V); Allowable pressure resistance water pressure below 1.75Mpa
Scope of application: Suitable for water heaters, card readers, automatic water dispensers, and other flow metering equipment

No. 3

SENSTREE G1/2 ’’ Flow Hall Sensor with NPT Thread, 1-30L/Min Flow Meter, Flowmeter Counter, Arduino, Raspberry Pi, and Reverse Osmosis Filter Compatible

NPT Thread
1-30L/min
The Water Flow Sensor is light, has a nimble outline, small, and is easy to install—the bearings used in the rotating part.
There is an integrated magnetic hall effect sensor that outputs an electrical pulse with every revolution. The hall effect sensor is sealed from the water pipe and allows the sensor to stay safe and dry.
Installed by flow direction in the product, otherwise, there is no signal output.
It is mainly used in water heaters, coffee machines, water purifiers, drinking fountains, beverage machines, campus smart card equipment, etc.

No. 4

GLX-FLO-RP Flow Switch for Hayward Goldline Aquarite Salt Systems - Pool Flow Sensor with 15ft Cable - Replaces GLXFLORP - Protects Salt Cell & Chlorine Generator

Universal Compatibility: This GLX-FLO-RP flow switch assembly seamlessly integrates with Hayward Goldline Aquarite salt systems, including Aqua Rite, Pro Logic, Aqua Logic, and more. Direct replacement for GLXFLORP, GLX-FLO-HP, and OPT-F/S models.
Protects Your Investment: Accurately monitors water flow to automatically shut down your salt system when flow is insufficient, preventing costly damage to your salt cell and chlorine generator.
Easy DIY Installation: Features standard 1/2" threads and a 15-foot cable with a standard phone jack connector for quick and simple plug-and-play installation. Includes sealant tape for a leak-proof seal.
Reliable Performance: Built with durable, corrosion-resistant materials for long-lasting performance in harsh pool environments. Ensures accurate flow detection for consistent chlorine production.
Peace of Mind Guarantee: Backed by a [Insert your warranty period, e.g., 2-Year] warranty. Contact us for expert support and hassle-free replacements. Enjoy a worry-free pool season!

No. 5

GLX-FLO-RP Flow Switch Assembly Compatible with Goldline Aquarite Salt Systems, Pool Flow Sensor for Aqua Rite Swimming Pool Salt Cell and Chlorine Generator, 15 Feet Cable Pool Flow Switch

Replacement Parts : GLX-FLO-RP flow switch can compatible with all Goldline & Aqua Rite salt systems, GLX-FLO-RP flow switch replacement can be used with Goldline Aquarite salt chlorination turbo cell. The part GLX-FLO-RP assembly replaces GLXFLORP, GLX-FLO-HP, OPT-F/S. Although the model name is different. They are universal
Widely applicable: The flow switch GLX-FLO-RP suitable for Goldline Aquarite salt cell and chlorine generator systems. Our GLX-FLO-RP can be compatibled with all goldline series & Aquarite series. Like :Aqua Rite, Aqua Rite Pro, Pro Logic, Aqua Logic, Aqua Plus, Aqua Rite XL, Mineral Springs Mineral Springs MS10/MS11,H40, SwimPurePlus, SplashCLEAR, SmartPure, Splash SP-40, OmniLogic, Omni Hub, OnCommand...List some but not all
Product Information: The GLX-FLO-RP flow switch uses standard 1/2'' threads and our part GLXFLORP flow sensor assembly with 15-Foot Cable. One end is a standard Phone Jack connection and can easily plug in the control panel of your pool salt chlorinator system, meanwhile the water flow sensor GLX-FLO-RP has a circle gasket and a round of tape. Both of them can ensure better sealing
Automatic Protection: The pool water flow switch can monitor the water flow in real time.If no water flow is detected, it will automatically shut down the salt system to prevent the salt cell from being damaged.Flow sensor GLX-FLO-RP can fix "NO FLOW" situation and it's easy to install. Just insert the two ends of the flow switch with cable into the correspondingly correct positions. Unplug existing (old) flow sensor, wrap enough tape and screw the switch into Run pump, don't overtighten it
Not only"GLX-FLO-RP": We believe that our GLX-FLO-RP swimming pool flow switch can help you better enjoy the swimming pool in summer. At the same time, We offer 2 year Warranty of our pool flow switch

No. 6

Flow Switch for Hayward,Replacement for GLX-FLO-RP for Hayward Goldline Aquarite Salt System,Pool Flow Sensor Switch for Hayward Salt Cell and Chlorine Generators System,Assembly Kit with 15ft Cable

Replacement Model: The Replacement for Hayward/Goldline flow switch replace for GLXFLORP, GLX-FLO-RP, GLX-FLO-HP, OPT-F/S; The flow switch compatible with all Goldline & Aqua Rite salt systems, flow switch replacement can be used with Hayward Goldline Aquarite salt chlorination turbo cell; NOT Compatible with Jacuzzi or other Spa system
Universal Fit: The flow switch compatible with Hayward and Goldline salt chlorine generator systems, include Aqua Rite, Aqua Rite Pro, Pro Logic, Aqua Logic, Aqua Plus, Aqua Rite XL, Mineral Springs Mineral Springs MS10/MS11,Swimpure +, H40, SplashCLEAR, SmartPure, Splash SP-40, OmniLogic, Omni Hub and more
Easy Installation: The replacement flow switch for Hayward salt cell uses standard 1/2" threads, wrapping with tape(Include), then screw the flow sensor into the tee housing (NOT INCLUDED) and plug in the phone jack cable at the controller of your pool salt chlorinator system; Only take a few minutes to make "no flow" warning light to go off
The flow switch comes with sealant tape and a gasket ensure no leaks; Arrow on flow sensor indicates the direction of water flow, ensuring proper installation direction
Buy with Confidence: Every pool flow switch for Hayward Salt System is backed by 12 Month warranty

No. 7

DIGITEN G3/4" Water Flow Sensor, Food-Grade Hall Effect Sensor Flow Meter Flowmeter Counter 1-60L/min - Arduino, Raspberry Pi, and Reverse Osmosis Filter Compatible

☺Work for Arduino, Raspberry Pi, and Reverse Osmosis Filter. Small size, waterproof, easy to install, heat resistance, pressure resistance, cold resistance.
☺Material: All materials align with ROHS testing standards, and can be used for potable water.
☺Cable length: 15cm. Flow range:1-60L/min, working voltage range:DC 5-18 V, allow compression:Water pressure 1.75 Mpa below.
☺Hall effect sensor. Connect to G3/4 inch BSP male thread, if used for NPT, need thread seal tape. Output waveform: square wave, output pulse signal.
☺Wide application: It is mainly used in water heater, coffee machine, water purifier, drinking fountain, beverage machine, campus smart card equipment, etc.

No. 8

GLX-FLO-RP Flow Switch Assembly, Pool Flow Sensor Compatible with Goldline and Aquarite Salt Systems Pool Flow Switch with 15 ft. Cable

Part number: GLX-FLO-RP Pool flow switch replace GLX-FLO-HP, Q-12DS-C2, OPT-F/S, GLXFLOP
Compatible model: Pool flow sensor compatible with : Aqua Rite, Aqua Rite Pro, Aqua Rite XL, Aqua Logic, Aqua Plus, Pro Logic, Mineral Springs Mineral Springs MS10/MS11,H40, SwimPurePlus, SplashCLEAR, SmartPure, Splash SP-40
Function: Pool flow sensor with 15 feet long cable detects water flow to protect your saltwater system, automatically controls pump operation when flow rate drops below safe levels
Simple installation: Screw the salt system flow switch into the tee housing (if there is a leak, use the supplied waterproof tape to wrap the threads before screwing it in) and plug the other end of the telephone line into the controller
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No. 9

NewYall AC A/C Compressor Flow Sensor for Toyota Sienna 2011-2016 Toyota Sienna 2011-2016 Highlander 2011-2013 Avalon 2013-2017 Avalon 2013-2017 GS350 2013-2015 ES350 2013-2016

For Toyota Sienna 2011-2016
For Toyota Camry 2012-2017
For Toyota Highlander 2011-2013
For Toyota Avalon 2013-2017
For Lexus RX350 2010-2015
For Lexus GS350 2013-2015
For Lexus ES350 2013-2016

SaleNo. 10

Ecosmart Fsa Nfsml Flow Sensor

Flow Sensor Assembly compatible with ECO 8 and ECO 11
Flow Sensor Assembly replacement part for tankless electric water heaters

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Last update on 2025-06-08 / Affiliate links / Images from Amazon Product Advertising API

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