Best Flow Sensors (Feb. 2023) - Rated by CherryPicks' Experts

At a Glance: Our Top Picks

Top 1

HiLetgo G1/2" Water Flow Hall Sensor Switch 1-30L/min 1.75MPa Flow Meter Flow...

9.9
CPR Score
Top 2

Navien 30008571A Flow Sensor

9.8
CPR Score
Top 3

Ecosmart Fsa Nfsml Flow Sensor

9.6
CPR Score
Tips


Our team has selected the top 30 best Flow Sensors by analyzing and evaluating 112 products of different Industrial Electrical brands, including uxcell, EcoSmart, QWORK, HiLetgo, BQLZR, Walfront, Hilitand, DIGITEN, Haofy, Gikfun, Vikye, Marhynchus, CSNSD, Sundance Spas, NAVIEN, Gems Sensors And Midzooparts, Still, Our editor rated and compared them on product features before you buy.

* Cherrypicksreviews.com is reader-supported, Our editor review, and recommend the best products based on extensive data analysis, if you click on the product links, we may earn a commission through qualifying products purchased.

The Best Flow Sensors Rated by CherryPicks

Market Overview
Flow Sensors Reviewed
  • Reviews Analyzed: 2,062 Items
  • CPR Avg. Rating: 8.5 / 10
30 Products Evaluated
  • Highest Price: $456.49
  • Lowest Price: $7.99
  • Avg. Price: $52.22
Price Disclaimer

Top 30 Flow Sensors on Aamazon (Verified You can Buy)

HiLetgo G1/2" Water Flow Hall Sensor Switch 1-30L/min 1.75MPa Flow Meter Flowmeter Counter Water Flow Sensor

HiLetgo

Ratings for HiLetgo (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
HiLetgo 3,123

Features

1-30L/min 1.75MPa 1/2" Hall Effect Flowmeter Control Water Flow Sensor
The lowest rated working voltage: DC4.5 5V-24V
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Top 2

Navien 30008571A Flow Sensor

NAVIEN
10.0 x 4.0 x 4.0 Inches

Ratings for NAVIEN (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
ADVENTURER'S BAG 1,339
HVAC Pros 4,898

Features

Navien 30008571A Flow Sensor
Top 3

Ecosmart Fsa Nfsml Flow Sensor

EcoSmart
FSA NFSML
1.5 x 1.5 x 0.75 Inches

Ratings for EcoSmart (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
Amazon.com -

Features

Flow Sensor Assembly for ECO 8 ECO 11
Models : ECO 8, ECO 11
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Top 4

6560-860, Sundance Spas - Hot Tub Flow Switch

Sundance Spas
6560-860
2.0 x 6.0 x 4.0 Inches

Ratings for Sundance Spas (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
Hot Tub Things -

Features

Sundance Spas Flow Switch with Bypass 6560-860
Original Sundance Spa Parts. No generics
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Top 5

DIGITEN G1/2" Water Flow Hall Sensor Switch Flow Meter Flowmeter Counter 1-30L/min

DIGITEN
0.1102 Pounds

Ratings for DIGITEN (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
DIGITEN -

Features

The Water Flow Sensor is light, nimble outline, small size and 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.
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Top 6

Navien 30012033B Dhw Flow Sensor

NAVIEN
9.0 x 7.0 x 3.0 Inches

Ratings for NAVIEN (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
HVAC Pros 4,898

Features

Navien 30012033B Dhw Flow Sensor
Top 7

HT-800 G1 Thread 220V Magnetic Wate Flow Sensor Switch Pipe Boosting Pump Laser Machine Automatic Electronic Switch Control for Shower Low Water Pressure Solar Heater Water Circulation

Walfront
0.0 x 0.0 x 0.0 Inches
0.5291 Pounds

Ratings for Walfront (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
Partgry-T -

Features

Automatic Control --- This water flow switch uses water flow magnetic control device and on-off control sensing elements, so as to achieve automatic control and switch on or off booster pump
Stable Performance --- induction chamber, magnetic control chamber and electronic components are designed separately in order to avoid switch failure caused by iron matter in pipeline is magnetic adsorbed
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Gems Sensors FS-200 Series Bronze Flow Switch, Inline, Shuttle Type, 0.5 gpm Flow Setting, 1" NPT Female

Gems Sensors
27051
6.75 x 5.63 x 4.5 Inches
1.1023 Pounds

Ratings for Gems Sensors (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
Data Alchemy 8,772
SMARTNSAVE -

Features

Wetted Materials: Bronze, PTFE,316 Stainless Steel, Viton, Ceramic
Electrical Termination: 18 AWG, 24"-26" long Polymeric Leads
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Top 9

DIGITEN G1-1/2" 1.5" Water Flow Hall Sensor Switch Meter Flowmeter Control 10-150L/min

DIGITEN

Ratings for DIGITEN (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
DIGITEN -

Features

Flow range:10-150L/min
Allow compression:Water pressure 1.75 Mpa below
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Top 10

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

DIGITEN
FL-608ZJ

Ratings for DIGITEN (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
SENSTREE -

Features

☺Work for Arduino, Raspberry Pi, and Reverse Osmosis Filter. Small size, waterproof, easy to install, heat resistance, pressure resistance, cold resistance.
☺Material: food grade, all materials are in line with ROHS testing standards, can be used for potable water.
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Top 11

DIGITEN G3/8" Quick Connect Hall Effect Sensor Water Flow Sensor Food-Grade Flowmeter Water Flow Counter Meter 0.3-10L/min - Arduino, Raspberry Pi, and Reverse Osmosis Filter Compatible

DIGITEN
FL-308ZJ

Ratings for DIGITEN (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
SENSTREE -

Features

★Food grade: Liquid passed through is safe to drink.
★G3/8 inch Quick-Connect: Easy installation and removal, suitable for 3/8" tube and works with most Reverse Osmosis filtration systems.
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Top 12

uxcell 1/4in Quick Connect Hall Effect Liquid Water Flow Switch Flowmeter Counter 1-25L/min

uxcell

Ratings for uxcell (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
uxcell 34

Features

Light weight, small size, easy to install.
Mainly used for water heater, boiler, water dispensers, coffee machines, hot card machines, steam equipment, ect.
Show More
Top 13

Gikfun Water Flow Hall Sensor Switch Flow Meter Flowmeter Counter 1-30L/min for Arduino (Pack of 2pcs) EK1457

Gikfun

Ratings for Gikfun (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
Gikfun_Official_Store -

Features

Working voltage range: DC 5-18 v
Load capacity: <10 mA (DC 5V)
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Top 14

DIGITEN G1/4" Water Flow Sensor, Food-Grade Hall Effect Sensor Flow Meter Flowmeter Counter Connect Hose 0.3-6L/min - Arduino, Raspberry Pi, and Reverse Osmosis Filter Compatible

DIGITEN
FL-S401AZJ

Ratings for DIGITEN (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
SENSTREE -

Features

★Waterproof, heat resistance, pressure resistance, cold resistance.
★Suitable for 1/4" tube. Small size, easy to install, all materials are in line with ROHS testing standards.
Show More
Top 15

uxcell G3/4" Hall Effect Liquid Water Flow Sensor Switch Flowmeter Counter Meter DC 5V 2-45L/min SEN-HZ43WB

uxcell
a18041200ux0141
2.3622 x 1.1811 x 1.2205 Inches

Ratings for uxcell (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
uxcell 34

Features

Stable, high temperature, low water pressure start.
Brass material, small size, easy to install.Hall element is imported, water-proof design to prevent water ingress,The inside of the impeller is inlaid with a stainless steel shaft and is always wear-resistant.
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Top 16

DIGITEN FS-C02 G3/4" BSP Male Thread Water Flow Switch 0-2A/ 0-220V(AC or DC) for Shower Flow Water Heater

DIGITEN
2.3622 x 1.1811 x 1.1024 Inches
250.0 Grams

Ratings for DIGITEN (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
DIGITEN -

Features

Made of brass, It is waterproof, heat resistant, pressure resistant and cold resistant. Small size and easy to install. All materials are in line with ROHS testing standards.
Note: It can't be connected to a load directly, and the relay board must be connected first.
Show More
Top 17

BQLZR G1/2 Water Flow Switch FS-09 Magnetic Stainless Steel Water Sensor

BQLZR
N01484

Ratings for BQLZR (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
BQLZR(7-20 days delivery,Fast and free shipping,great customer service) -

Features

Stainless Steel
Top 18

Marhynchus Pump Flow Sensor Switch Thread Water G3/4" 3/4" AC220V 1A for Low Water Pressure Area Flow Water Heater Pneumatic Pressure Flow Switch

Marhynchus
3.1496 x 1.5748 x 2.3622 Inches
0.3968 Pounds

Ratings for Marhynchus (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
Sugreat-us -

Features

APPLICATION: It is mainly used in the household tap water pressurization in low water pressure area, especially the low water pressure ignition starting of the shower, and the automatic circulation of solar water heater.
STABLE PERFORMANCE: It is designed to separate the sensing room, magnetic control room and electronic components. Avoid the iron material in the pipe to be adsorbed by magnetic materials so as to avoid the failure of the switch.
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Top 19

SPDT Thread Paddle Type R3/4 Liquid Water Oil Flow Sensor Switch Automatic Control 15A 250V HFS-20

Walfront
Walfronti6ve9go40k
5.1181 x 2.7559 x 3.1496 Inches

Ratings for Walfront (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
Partgry-T -

Features

Extensive Use ---This flow switch is an automatic element that controls flow in pipes, which can be used on water treatment system, central air-conditioning, water cooled chiller and relative industries
Subject Range --- Applicable fluid includes water, ethylene glycol, oil or other liquid not classified as hazardous or corrosive and air
Show More
Top 20

uxcell G3/4 Hall Effect Liquid Water Flow Sensor Switch Flow Meter Counter Meter 2.5-30L/min SEN-CL43W6

uxcell
a18041200ux0144
2.4409 x 1.2205 x 1.2205 Inches

Ratings for uxcell (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
uxcell 34

Features

Stable, high temperature, low water pressure start.
Brass material, small size, easy to install.Hall element is imported, water-proof design to prevent water ingress,The inside of the impeller is inlaid with a stainless steel shaft and is always wear-resistant.
Show More
Top 21

uxcell G1/2" Hall Effect Liquid Water Flow Sensor Switch Flowmeter Counter Meter 1-30L/min SEN-CL21W

uxcell
a18041200ux0131
2.4409 x 0.9449 x 1.0236 Inches

Ratings for uxcell (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
uxcell 34

Features

Stable, high temperature, low water pressure start.
Brass material, small size, easy to install.Hall element is imported, water-proof design to prevent water ingress,The inside of the impeller is inlaid with a stainless steel shaft and is always wear-resistant.
Show More
Top 22

Water Flow Sensor Switch Hall Effect Liquid Water Flowmeter Meter 1-30L/min, DC4.5-18V, Copper - Water Flow Hall Sensor

Haofy
2.3622 x 1.0236 x 1.0236 Inches
perfect

Ratings for Haofy (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
Qmee -

Features

★ Safe and Reliable ★ This flow sensor switch is made of brass, all materials are in line with ROHS testing standards. It's a safety device that shuts off the current to the device (heaters, pumps, etc.) when it senses no water flow.
★ Water Pressure, Flow Range, Connection ★ G1/2 type water flow sensor, its maximum water pressure is 1.75MPa, the range of flow is from 1L/min to 30L/min. Three wire connection: Red for positive pole, black for negative pole, yellow for pulse signal.
Show More
Top 23

PX4FLOW V1.3.1 Optical Flow Sensor Smart Camera with MB1043 Ultrasonic Module Sonar for PX4 PIX Pixhawk Flight Control System

Midzooparts

Ratings for Midzooparts (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
Obelia~s -

Features

PX4FLOW V1.3.1 Optical Flow Sensor Smart Camera with MB1043 Ultrasonic Module Sonar for PX4 PIX Pixhawk Flight Control System
Top 24

CSNSD YF-S401 Water Flow Sensor 1/4" Food-Grade Hall Effect Flowmeter Fluid Mete for Coffee Machine TeaMaker Water Flow Sensor Switch

CSNSD

Ratings for CSNSD (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
csnsd -

Features

Water flow sensor water purifier Hall sensor connection hose.
Product materials: Food grade plastic is safe, colorless and non-toxic, and all raw materials meet ROHS testing standards.
Show More
Top 25

Water Pump Flow Switch, 1 PCS HT-30 AC 0-110V 0.2A G3/4"-3/4" Thread Water Pump Flow Sensor Switch, Water Flow Control Switch Sensor

Vikye
3.1496 x 1.9685 x 1.9685 Inches

Ratings for Vikye (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
Vikye-H -
Top 26

Pump Water Flow Sensor Machine G1/2 Thread for Booster Pump Magnetic Automatic Control Switch

Hilitand
0.0 x 0.0 x 0.0 Inches
0.3086 Pounds

Ratings for Hilitand (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
tanus 8,463

Features

MAGNETIC CONTROL: This G1/2 water flow switch uses water flow magnetic control device and on-off control sensing elements, so as to switch on or off pump.
HIGH TEMPERATURE RESISTANT: High temperature resistant material is used to make sure that the flow switch can be used in hot and cold water. The maximum temperature can reach 70C°.
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Top 27

Navien Flow Sensor Tankless Water Heater

NAVIEN
30010537A

Ratings for NAVIEN (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
ADVENTURER'S BAG 1,339

Features

Navien
Flow
Show More
Top 28

Ecosmart FSA QC MEDLRG ECO 24 Replacement Part

EcoSmart
FSA QC MEDLRG
3.0 x 2.0 x 1.5 Inches
0.25 Pounds

Ratings for EcoSmart (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
Amazon.com -

Features

Flow Sensor assembly for ECO 18 - ECO 36
ECO 18, ECO 24, ECO 27, ECO 36
Show More
Top 29

DIGITEN G3/4" Water Flow Hall Sensor Switch Flow Meter Flowmeter Counter 1-60L/min

DIGITEN
0.1543 Pounds

Ratings for DIGITEN (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
DIGITEN -

Features

Flow range:1-60L/min
Allow compression:Water pressure 1.75 Mpa below
Show More
Top 30

QWORK 1/2" (HFS-15) Water Flow Control Switch, 250V Brass Water Flow Switch Paddle Control, 1.0Mpa, SPDT Output, Male Thread Connection

QWORK

Ratings for QWORK (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
QWORK 807

Features

Durable: Brass body can hold 0℃~ 120℃ temperature, and the ABS shell can offer great protection.
Interface dimensions: 1/2"(HFS-15), Switch Type: SPDT, Max working pressure: 1.0Mpa, Electrical parameters of micro - switch: 220VAC, 15A, male thread connection.
Show More

Top 10 Flow Sensors - Verified to Buy (New Feb. 2023)

Top 10 Flow Sensors Brands on Amazon

Here is the list of top-rated brands that were evaluated by CherryPicks.

  • HiLetgo
  • NAVIEN
  • EcoSmart
  • Sundance Spas
  • DIGITEN
  • Walfront
  • Gems Sensors
  • uxcell
  • Gikfun
  • BQLZR

Top 10 Flow Sensors Sellers: CPR Seller Rank List

CPR sellers rank is based on CherryPicks-AI bestselling ranking system that helps us analyze each seller's sales trends. The List of top seller ranks is our in-house data, essential for our product ranking to help you make the right shopping choice.

Rank Name Yearly Feedbacks Avg. Ratings
🥇 uxcell 18,164 4.7
🥈 QWORK 3,346 4.8
🥉 ADVENTURER'S BAG 2,459 4.8
4 HiLetgo 1,415 4.8
5 HVAC Pros 999 4.9
6 tanus 637 4.7
7 Data Alchemy 619 3.7
8 Partgry-T 516 4.7
9 Amazon.com 386 4.7
10 BQLZR(7-20 days delivery,Fast and free shipping,great customer service) 371 4.8
View or download top Flow Sensors seller & rating report
uxcell [18164] QWORK [3346] ADVENTURER'S BAG [2459] HiLetgo [1415] HVAC Pros [999] tanus [637] Data Alchemy [619] Partgry-T [516] Amazon.com [386] BQLZR(7-20 days delivery,Fast and free shipping... [371] uxcell 63% QWORK 12% ADVENTURER'S BAG 9% HiLetgo 5% HVAC Pros 3% tanus 2% Data Alchemy 2% Partgry-T 2% Amazon.com 1% BQLZR(7-20 days delivery,Fast and free shipping... 1%

Why Should You Trust Us?

Now hundreds and thousands of Industrial Electrical supplies are available on Amazon, Picking the right one is not easy, and that may take a lot of your time, Right? and What is the best Flow Sensors to buy in February 2023?

CherryPicks’s Methodology for Evaluating Flow Sensors

We developed the CherryRatings-AI system to identify and score reviews and the CherryPicks-AI ranking system that uses TensorFlow framework to generate the best list, It will help us evaluate Industrial Electrical items that sell on Amazon. The score of items is based on over ten parameters such as analyzing customer review content, product reviewing rating statistics, brand reputation evaluation, comparing product price with features, etc, You can visit How We Rank to learn more in detail.

We collected and analyzed 112 of Flow Sensors reviews based on our selection criteria. It helped us shortlist the top qualified and rated Flow Sensors for Industrial Electrical, We found that most customers choose Flow Sensors with an average price of $52.22, and the top brands are uxcell, EcoSmart, QWORK, HiLetgo, BQLZR, Walfront, Hilitand, DIGITEN, Haofy, Gikfun, Vikye, Marhynchus, CSNSD, Sundance Spas, NAVIEN, Gems Sensors And Midzooparts. 

Then our expert-level editors reviewed all those quality items and selected the top 30 Flow Sensors for you, We have researched hundreds of sellers and picked the top sellers for Industrial Electrical, including uxcell, QWORK, ADVENTURER'S BAG, HiLetgo, HVAC Pros, tanus, Data Alchemy, Partgry-T, Amazon.com, BQLZR(7-20 days delivery,Fast and free shipping,great customer service), Gikfun_Official_Store And Hot Tub Things. The HiLetgo G1/2" Water Flow Hall Sensor Switch 1-3... are available for purchase right now, and The seller of #1 rank product has received honest feedback from 19 consumers with an average rating of 4.0.

We've helped a lot of satisfied users get the right Industrial & Scientific product based on their needs, and save lots of time for them to pick Flow Sensors to buy.


Written By Brandi W. Cortright

Brandi is a woman in tech who loves to write about the electronics and gadgets she has used. On this site, she would be providing you unbiased reviews of electronics as they are released into the market to make you know what to expect before making a purchase.