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Best Flow Sensors - Buying Guide

Last Updated: 09/14/2019

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  #1

6560-860, Sundance Spas - Jacuzzi Flow Switch

Model: 6560-860   |    Mpn: 6560-860   |    Ean: 4202250102176   |    PartNumber: 6560-860   |   Asin: B0031B6Y9G

Sundance Spas Flow Switch with transparent tee 3/4" barb and a 3/8" barb off the side. This flow switch fits all 1999-present 2 pump or 3 pump systems and 2001+ 1-Pump Capri Systems. Used on the following Spa Models: Sundance 800/850/880 Series, 1999 - Present Sweetwater and Portifino Series with Circulation Pump Jacuzzi J-300 LCD Series Models, 2002+ (with box end connectors). If you have a 2002+ LED J-300 use the 2560-040 (curled finger connector) Troubleshooting: A defective flow switch will cause a flashing 'Flo' or solid 'Flo' on the control panel icon. Solid 'Flo' is the flow switch Flashing 'Flo' could be the flow switch, circulation pump (clogged or defective) or dirty filter.

Features

  • Sundance Spas Flow Switch with Bypass 6560-860
  • Original Sundance Spa Parts. No generics
  • Flow Switch with transparent tee 3/4 barb with a 3/8 barb off the side
  • 3/4 barb replaces part # 6560-858
  • Flow Switch used on Sundance Spas 800/850/880 Series Spas, 1999 - Present
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Brand: Sundance Spas   |   Manufacturer: Sundance Spas

Item Dimensions: 4 x 6 x 2 inches (10.2 x 15.2 x 5.1 cm)   |   Package Dimensions: 0.9 x 5 x 9 inches (2.3 x 12.7 x 22.9 cm)

Amazon Price: $32.99 | as of 09/14/2019(10:55am pst)
Availibility: Usually ships in 24 hours
List Price: $32.99

Warranty: Returns are not accepted on opened or used products and are subject to a 20% restocking fee.

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  #2

Ecosmart FSA QC MEDLRG ECO 24 Replacement Part

Model: FSA QC MEDLRG   |    Mpn: FSA QC MEDLRG   |    Ean: 0854920003203   |    PartNumber: FSA QC MEDLRG   |   Asin: B00Z0Z5XXE

Flow Sensor for Eco smart Electric Tank less water heaters. Used with ECO 8 and ECO 11 models. Contact Eco smart for more information.

Features

  • Flow Sensor assembly for ECO 18 - ECO 36
  • ECO 18, ECO 24, ECO 27, ECO 36
  • Contact Eco smart for questions
  • Country of Origin: China
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Brand: Ecosmart   |   Manufacturer: Ecosmart Water Heaters

Item Dimensions: 1.5 x 2 x 3 inches (3.8 x 5.1 x 7.6 cm)   |   Package Dimensions: 1.97 x 8.35 x 12.28 inches (5.0 x 21.2 x 31.2 cm)

Amazon Price: $18.84 | as of 09/14/2019(10:55am pst)
Availibility: Usually ships in 24 hours
List Price: $18.84 | Used Price: $14.34

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  #3

Ecosmart FSA NFSML ECO 8 Replacement Part

Model: FSA NFSML   |    Mpn: FSA NFSML   |    Ean: 0854920003197   |    PartNumber: FSA NFSML   |   Asin: B00Z0Z6IWE

Flow Sensor for EcoSmart Electric Tankless water heaters. Used with ECO 8 and ECO 11 models. This is a replacement part.

Features

  • Flow Sensor Assembly for ECO 8 ECO 11
  • Models : ECO 8, ECO 11
  • Contact EcoSmart for questions
  • Country of Origin: China
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Brand: Ecosmart   |   Manufacturer: Ecosmart Water Heaters

Item Dimensions: 0.75 x 1.5 x 1.5 inches (1.9 x 3.8 x 3.8 cm)   |   Package Dimensions: 0.7 x 3.4 x 3.5 inches (1.8 x 8.6 x 8.9 cm)

Amazon Price: $15.12 | as of 09/14/2019(10:55am pst)
Availibility: Usually ships in 24 hours
List Price: $15.12

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  #4

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

 Ean: 0713458679505   |    PartNumber: FL-408   |   Asin: B00VKATCRQ

Waterproof,Heat resistance,pressure resistance,cold resistance.
Easy to install.
Outer diameter: about 0.79inch
Frequency: F=7.5 * Q (L / Min) error: 2% voltage :3.5-24VDC, current can not exceed 10mA, 450 output pulses/liters, F=onstant * units of flow (L / min) * time (seconds)
Flow range:1-30L/min
Maximum current:15 mA(DC 5V)
Working voltage range:DC 5-24 V
Load capacity: 10 mA(DC 5V)
Operating Temp: 80 ,Operating humidity:35%-90%RH
Allow compression:Water pressure 1.75 Mpa below
Insulation resistance:>100M OHM
Storage Temperature:-25-80
Storage humidity:25%-95%RH
Output Waveform:Square Wave,output pulse singal.
ROHS Compliant.
Cable length:15cm.
Packaging include

Flowmeter x 1

Note:The thread is BSP, if used for NPT, need thread seal tape.

Features

  • Flow range:1-30L/min, Sensor:Hall effect
  • Allow compression:Water pressure 1.75 Mpa below
  • Working voltage range:DC 5-18 V
  • Output Waveform:Square Wave,output pulse signal.
  • Work for Android and PI system.
  • See more on Amazon...

Brand: DIGITEN   |   Manufacturer: DIGITEN

Package Dimensions: 1.42 x 4.72 x 7.72 inches (3.6 x 12.0 x 19.6 cm)

Amazon Price: $8.99 | as of 09/14/2019(10:55am pst)
Availibility: Usually ships in 24 hours
List Price: $11.99

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  #5

DIGITEN G1" Water Flow Hall Effect Sensor Switch Flow Meter Flowmeter Counter 1-60L/min

 Ean: 0713458679482   |    PartNumber: FL-808   |   Asin: B00VKAT7EE

Waterproof,Heat resistance,pressure resistance,cold resistance.
Easy to install.
Outer diameter: about 1.28inch
Frequency: F=4.8 * Q (L / Min) error:2% voltage :3.5-24VDC, current can not exceed 10mA, 450 output pulses/liters, F=onstant * units of flow (L / min) * time (seconds).
Flow range:1-60L/min
Maximum current:15 mA(DC 5V)
Working voltage range:DC 5-24 V
Load capacity:10 mA(DC 5V)
Operating Temp:0-80 ,Operating humidity:35%-90%RH
Allow compression:Water pressure 1.75 Mpa below
Insulation resistance:>100M OHM
Storage Temperature:-25 +80
Storage humidity:25% 95%RH
Output Waveform:Square Wave,output pulse singal.
ROHS Compliant.
Cable length:15cm.
Package includes

Flowmeter x 1

Note:The thread is BSP, if used for NPT, need thread seal tape.

Features

  • Flow range:1-60L/min, Sensor: Hall effect.
  • Allow compression:Water pressure 1.75 Mpa below
  • Working voltage range:DC 5-18 V
  • Output Waveform:Square Wave,output pulse signal.
  • Work for Android and PI system.
  • See more on Amazon...

Brand: DIGITEN   |   Manufacturer: DIGITEN

Package Dimensions: 1.81 x 3.39 x 4.09 inches (4.6 x 8.6 x 10.4 cm)

Amazon Price: $10.99 | as of 09/14/2019(10:55am pst)
Availibility: Usually ships in 24 hours
List Price: $10.99

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  #6

Generic YF-S402 High Precision Flow Meter Water Flow Sensor

Model: YF-S402   |    Mpn: YF-S402   |    Ean: 0713458600301   |    PartNumber: YF-S402   |   Asin: B00VE47P18

Minimum rated working voltage: DC 5~24V; Max. working current: 15mA (DC 5V); Working voltage range: DC 5~18V; Load capability: Working temperature: Humidity range: 35%~90%RH (no frost); Water pressure: Storage temperature: -25~80'C; Storage humidity: 25~95%RH; Flow range: 1~5L/min'; Frequency: 4380 pulse for 1L through the sensor Dimensions: 2.28 in x 1.38 in x 1.06 in (5.8 cm x 3.5 cm x 2.7 cm) Thread Size : G1/4" Weight: 1.02 oz (29 g) Packing List 1 x Flow meter (17cm-cable)

Features

  • Lightweight, Small in size, Easy to install;
  • With stainless steel axis in the wheel, abrasion resistant; Sealing ring design to prevent water leaks; Compliant with RoHS standard
  • Suitable for water heater, POS terminal, automatic water dispenser etc.
  • Installation direction: Vertical (inclination should not exceed 5 degrees)
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Brand: Zojan   |   Manufacturer: Generic

Item Dimensions: 1.06 x 1.38 x 2.28 inches (2.7 x 3.5 x 5.8 cm)   |   Package Dimensions: 0.98 x 3.19 x 4.69 inches (2.5 x 8.1 x 11.9 cm)

Amazon Price: $9.98 | as of 09/14/2019(10:55am pst)
Availibility: Usually ships in 24 hours
List Price: $9.98

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  #7

FASTROHY G3/4" Water Flow Sensor Witch,Copper Hall Effect Flowmeter Liquid Fluid Meter Sensor Switch Flowmeter Meter 2-45L/min

 Ean: 0645688827473   |    PartNumber: AT00EC7118   |   Asin: B07JZXBKJR

Specifications:
G3/4"
Condition: 100% Brand New
Material: Copper
Type: G3/4"(External Thread Diameter)
Water Quality Requirement: 60
Start Flow Range: 1.5L/min
Flow Range: 2-45L/min
Maximum Water Pressure: 1.75MPa
Working Voltage Range: DC4.5-18V
Max Current: 10mA
Insulation resistance: 100M
Electrical Strength: AC500V, 50Hz
Copper Switch Length: Approx. 45mm / 1.8inch
Wire Length: Approx. 35cm / 13.8inch

Package included:
1 x G3/4" Copper Liquid Water Flow Sensor Switch Flowmeter Meter

Features

  • Can be perfectly used for water heaters, water dispenser, water purifier, water vending machine, coffee maker, flow measurement device, water control machine and so on.
  • Lightweight, reasonable size, stable performance, low water pressure start, easy to install, safe to use.
  • There is an integrated 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.
  • Three wire connection: Red for positive pole, black for negative pole, yellow for pulse signal.
  • Made of high-quality copper material, environmental-friendly, really sturdy and durable to use. its maximum water pressure is 1.75MPa, the range of flow is from 2L/min to 45L/min.
  • See more on Amazon...

Brand: FASTROHY   |   Manufacturer: AETXJS

Package Dimensions: 0.6 x 2.8 x 3.6 inches (1.5 x 7.1 x 9.1 cm)

Amazon Price: $12.99 | as of 09/14/2019(10:55am pst)
Availibility: Usually ships in 24 hours
List Price: $12.99

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  #8

P100 Powder Cloud Air Flow Detection System. Viewable "smoke" for testing air currents and movement.

Model: P100   |    Mpn: P100   |    Ean: 0820103823746   |    PartNumber: P100   |   Asin: B00H3I2R1C

The P100 Powder Cloud System creates viewable clouds of highly micronized Borozin powder for studying low-velocity airflow. A high-quality rubber squeeze bulb gives a burst of air through the bottom of the P200 Powder Bottle. Quickly squeeze the bulb one or more times to create a cloud of appropriate size and density to conduct your airflow studies. Perfect for determining wind direction or directional flow and velocity of air from HVAC systems, clean rooms, hospital isolation rooms and more. Powder Cloud will NOT set off smoke detectors or alarms. Our proprietary formulation of highly micronized, white Borozin Powder (Zinc Stearate) carries on air just like smoke. It offers high visibility, great hang time and virtually no residue. Eco-friendly, non-toxic, odorless, noncorrosive. The P100 Powder Cloud System comes with carry case, instruction, one squeeze bulb and one powder bottle that will provide hundreds of puffs of dense white clouds for your air flow tests. P200 Replacement powder bottles are sold separately.

Features

  • Borozin powder so fine it floats on air just like smoke
  • Dense, white puffs of fine borozin powder for testing air flow
  • Safe, non-toxic, non-corrosive
  • Safe for use around combustible gases
  • Perfect for visualizing air movement and finding air leaks
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Brand: Powder Cloud   |   Manufacturer: MeterMall USA

Amazon Price: $39.95 | as of 09/14/2019(10:55am pst)
Availibility: Usually ships in 24 hours
List Price: $34.95

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  #9

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

 Ean: 0713458680822   |    PartNumber: FL-608ZJ   |   Asin: B07QNN2GRV

Specifications:
Frequency: F=5.5 * Q (L / Min), error: 2%, current can not exceed 10mA, 330 pulses/liter. F=onstant * units of flow (L / min) * time (seconds).
Flow range:1-60L/min
Maximum current:10 mA(DC 5V)
Working voltage range:DC 5-18 V
Load capacity: 10 mA(DC 5V)
Operating Temp: 80
Operating humidity: 35 - 90%RH
Allow compression:Water pressure 1.75 Mpa below
Insulation resistance: >100M OHM
Storage Temperature:-25 80
Storage humidity:25% 95%RH
Output Waveform:Square Wave,output pulse singal.
Cable length:15cm.

Package include:
Flowmeter x 1

Features

  • Waterproof, heat resistance, pressure resistance, cold resistance.
  • Small size, easy to install, all materials are in line with ROHS testing standards.
  • Flow range:1-60L/min, working voltage range:DC 5-18 V, allow compression:Water pressure 1.75 Mpa below.
  • Output Waveform: Square Wave,output pulse signal.
  • Sensor: Hall effect.
  • See more on Amazon...

Brand: DIGITEN   |   Manufacturer: DIGITEN

Package Dimensions: 0.9 x 3.6 x 4.4 inches (2.3 x 9.1 x 11.2 cm)

Amazon Price: $11.99 | as of 09/14/2019(10:55am pst)
Availibility: Usually ships in 24 hours
List Price: $11.99

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  #10

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

 Ean: 0713458679499   |    PartNumber: FL-803   |   Asin: B00VKAT9VA

Waterproof,Heat resistance,pressure resistance,cold resistance. Easy to install. Frequency: F=5.5 * Q (L / Min), error:2% voltage :3.5-24VDC, current can not exceed 10mA, 330 pulses/liter, F=onstant * units of flow (L / min) * time (seconds). Flow range:1-60L/min Maximum current:15 mA(DC 5V) Working voltage range:DC 5-24 V Load capacity: 10 mA(DC 5V) Operating Temp: 80 ,Operating humidity:35% 90%RH Allow compression:Water pressure 1.75 Mpa below Insulation resistance:>100M OHM Storage Temperature:-25 +80 Storage humidity:25% 95%RH Output Waveform:Square Wave,output pulse singal. ROHS Compliant. Cable length:15cm. Packaging include Flowmeter x 1

Features

  • Flow range:1-60L/min
  • Allow compression:Water pressure 1.75 Mpa below
  • Working voltage range:DC 5-18 V
  • Output Waveform:Square Wave,output pulse signal.
  • Sensor:Hall effect
  • See more on Amazon...

Brand: DIGITEN   |   Manufacturer: DIGITEN

Package Dimensions: 0.5 x 3.1 x 4.5 inches (1.3 x 7.9 x 11.4 cm)

Amazon Price: $11.99 | as of 09/14/2019(10:55am pst)
Availibility: Usually ships in 24 hours
List Price: $11.99

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  #11

EKM Metering 3/4" Water Meter - Stainless Steel, Pulse Output

Model: SPWM-075   |    Mpn: SPWM-075   |    Ean: 0788581421345   |    PartNumber: SPWM-075   |   Asin: B00GM5DCCA

Type: 3/4" Stainless Steel Pulse Output Water Meter

Mounting: Horizontal Inline Mount -- 3/4" Male NPT Pipe Threads

Units: Cubic Feet

Pulse Output: 1 Pulse Per 1/10 cubic foot (approx 0.75 gallon)

Model: SPWM-075

Our remote readable 3/4" Stainless Steel Pulse Output Water Meters are a great solution for remotely, or locally, monitoring water consumption.

This is a well made, industrial grade, stainless steel (201 grade) water meter. You can use it as a traditional water meter where you read the water consumption off of the face of the meter. It also has the added functionality of being able to connect the pulse output wires to a pulse counting device. This meter produces a pulse for every 1/10 cubic foot (approx 0.75 gallon, or 2.83 liters) that flows by the meter, these pulses can be then picked up and counted by our pulse counting devices.

This pulse output water meter can be connected to our EKM-Omnimeter Pulse v.4, which is our new pulse input meter. This is our most advanced electric meter to date. This meter can count the pulse outputs from up to 3 pulse output devices. It can also control up to 2 external relays, which allows you to turn things on and off remotely.

This water meter, when connected to a v.4 Omnimeter, can send pulse data to the cloud with our EKM Push communication system. The EKM Push sends all of your meter data to our cloud database and inserts it into your personal account, where you can access it for free. In other words, with this system you can easily monitor water use, at an unlimited number of sites around the world, for free.

Use these water submeters to meter the water consumption in your apartments, your irrigation water (which can save you in sewer costs in some areas), meter your well output, or use them to detect leaks while you are away.

Features

  • ACCURATE - A great solution for remotely or locally monitoring water consumption.
  • EASY TO USE - Simple 2-wire connection between water meter and kWh meter. No additional power source required.
  • ADJUSTABLE - Read the face of the meter or connect to a pulse counting device.
  • DURABLE - Stainless steel body and fittings.
  • REVENUE GRADE - Meter readings can be used for billing purposes.
  • See more on Amazon...

Brand: EKM Metering Inc.   |   Manufacturer: EKM Metering

Item Dimensions: 6 x 4 x 13 inches (15.2 x 10.2 x 33.0 cm)   |   Package Dimensions: 4.02 x 5.51 x 8.46 inches (10.2 x 14.0 x 21.5 cm)

Amazon Price: $84.25 | as of 09/14/2019(10:55am pst)
Availibility: Usually ships in 24 hours
List Price: $80.00

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  #12

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

 PartNumber: FS-C02   |   Asin: B07G77169W

Main application
Mainly used for water heater, boiler, water dispensers, coffee machines, hot card machines, steam equipment, water system, selling self-help water systems, water treatment equipment, cooling systems, mechanical equipment,instrumentation, pharmaceutical equipment ,etc. Water flow switch is a very important part in the instant water heater. When there is a certain water flow through the water flow switch and flow rate is 1.0L/min, electric circuits is connected and water heater begin to heat. In contrast when the water flow stops, the water heater stops working. .

Specifications:
Working range: 1-50L/min
Operation voltage: 0-220V(AC or DC)
Mini start water pressure: 0.02Mpa
Max working pressure: 1.75MPa
Max loading power:50W
Working current: 0-2A
Response time: 0.2S
F=7.5Q-4(L/min)
Accuracy: 3%
Male Thread External Diameter:25.4mm(1Inch)
Tube Length:60mm(2.36Inch)
Cable Length:23cm(11.81Inch)
Size:60mm*36mm*30mm(L*W*H)

Packing Including:
Flow sensor switch x 1

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.
  • Operation voltage: 0-220V(AC or DC), Working current: 0-2A, Max loading power:50W.
  • Outer diameter: 1 inch (25.57mm)
  • Mainly used for water heater, boiler, water dispensers, coffee machines, hot card machines, steam equipment, water system, selling self-help water systems, cooling systems ,etc.
  • See more on Amazon...

Brand: DIGITEN   |   Manufacturer: Ditigen

Item Dimensions: 1.1 x 1.18 x 2.36 inches (2.8 x 3.0 x 6.0 cm)   |   Package Dimensions: 1 x 3.5 x 5.05 inches (2.5 x 8.9 x 12.8 cm)

Amazon Price: $14.99 | as of 09/14/2019(10:55am pst)
Availibility: Usually ships in 24 hours
List Price: $14.99

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  #13

BQLZR Water Flow Switch Magnetic Stainless Steel Water Sensor

Model: N01484   |    Mpn: N01484   |    Ean: 0700443087841   |    PartNumber: N01484   |   Asin: B00EQ1ZOWS

100% Brand new,never used Item's color might be different from the picture because of the aberration. Magnetic Water Flow Switch adopts a Magnetic Reed Switch and a movable magnet which is fixed inside the water pipe.When water flows in the pipe,the magnet will detect the water flow and make the reed switch close or open Widely used in water industrial field,such as green air condition system water heater ETC Housing Material:SUS 304 ColorChrome No standby power requirement Simple installation and adjustment Inlet Thread:Inner Outlet thread:Inner pipe size 1/2 A(L):63 B(H):- C(_W):28 the min currect rating 1L/Min material copper install angle horizon vertical Package include: 1 x water Flow switch

Features

Brand: BQLZR   |   Manufacturer: BQLZR

Package Dimensions: 1 x 2.3 x 3 inches (2.5 x 5.8 x 7.6 cm)

Amazon Price: $12.50 | as of 09/14/2019(10:55am pst)
Availibility: Usually ships in 24 hours
List Price: $12.50

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  #14

Gems Sensors 3R1C0 316 Stainless Steel General Purpose Probe, 1/4" NPT Male, 1' Length

Model: 3R1C0   |    Mpn: 3R1C0   |    PartNumber: 3R1C0   |   Asin: B009NAM0AG

Gems probes are metallic rods with threaded ends that screw into a fitting that extends vertically down into the liquid. Series 3R: 1/4" (0.64 cm) threaded rod. 1' probe length. 1/4" NPT male.

Features

  • Series 3R probes are metallic rods with threaded end
  • For general purpose use
  • 316 stainless steel for different applications
  • For use with Series 3E, 3F, 3G, 3B fittings
  • 1/4 (0.64 cm) threaded rod
  • See more on Amazon...

Brand: Gems Sensors   |   Manufacturer: Gems Sensors & Controls

Package Dimensions: 1 x 1.5 x 12 inches (2.5 x 3.8 x 30.5 cm)

Amazon Price: $17.40 | as of 09/14/2019(10:55am pst)
Availibility: Usually ships in 24 hours
List Price: $19.22

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  #15

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

 Ean: 0713458680778   |    PartNumber: FL-308ZJ   |   Asin: B07QQW4C7R

Specifications:
Frequency: F=21 * Q (L / Min) error: 2%, current can not exceed 10mA, 450 output pulses/liters, F=constant * units of flow (L / min) * time (seconds).
Flow range:0.3-10L/min
Working voltage range: DC 5-18 V
Operating Temp: 80
Operating humidity: 35%-90%RH
Pressure range: water pressure 0.8 MPa below
Storage Temperature: -25-80
Storage humidity: 25%-95%RH
Output Waveform: square Wave, output pulse signal.
ROHS Compliant.
Cable length:15cm.
Wiring:Red---VCC(+)
Black---GND
Yellow----Signal

Package include:
Flow Sensor x 1

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.
  • Flow range:0.3-10L/min, working voltage range: DC 5-18V.
  • Waterproof, heat resistance, pressure resistance, cold resistance.
  • Sensor: Hall effect. Application: water heater thermostat, water purifier, boiler, water dispensers, coffee machines, smart card equipment, the boiler and so on.
  • See more on Amazon...

Brand: DIGITEN   |   Manufacturer: DIGITEN

Package Dimensions: 1.1 x 2.5 x 4.7 inches (2.8 x 6.4 x 11.9 cm)

Amazon Price: $7.99 | as of 09/14/2019(10:55am pst)
Availibility: Usually ships in 24 hours
List Price: $7.99

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  #16

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

 Ean: 0663862531954   |    PartNumber: Walfronti6ve9go40k   |   Asin: B0789B5SFN

Practical Paddle Type Liquid Flow Sensor Switch. Features screw terminal connection, male thread, plastic coated housing, convenient to install and easy to use; Can be mounted with a horizontal pipe line or vertical pipeline for the air conditioner, water heater, and more; Used in liquid flow lines carrying water or any fluid, but not harmful to brass or phosphor bronze and not classified as a hazardous fluid;

Note: It can not be used when fluid temperature drops below freezing point.

Specifications: Output Form: Micro switch SPDT output

Micro Switch: 15A(max.), 250VAC/DC

Contact Lifespan: 100,000 times

Thread: R3/4

Fluid: Water, oil Fluid Temperature: 1 ~100

Max. Pressure: 10bar

IP Grade: IP54

Package Includes:

1 x Flow Switch

3 x Paddles

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
  • Good Performance --- Flow control value is adjustable, repeat action point is stable
  • Automatic Control --- When flow rate exceeds set value, fluid drives blade and micro switch, the SPDT contact can connect a circuit and disconnect other circuit
  • Good Durability --- Protection grade is IP54; the contactor life is up to 100,000 times
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Brand: Walfront   |   Manufacturer: Walfront

Item Dimensions: 3.15 x 2.76 x 5.12 inches (8.0 x 7.0 x 13.0 cm)   |   Package Dimensions: 2.76 x 3.86 x 7.17 inches (7.0 x 9.8 x 18.2 cm)

Amazon Price: $21.99 | as of 09/14/2019(10:55am pst)
Availibility: Usually ships in 24 hours
List Price: $21.99

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  #17

Baomain Paddle Flow Control Switch HFS-25 Red AC 250V 15A SPDT G1" Cooling System Water

 PartNumber: HFS-25   |   Asin: B01JRQC97E

Screw terminal connection, male thread, plastic coated housing, paddle type. Can be mounted with a horizontal pipe line or vertical pipeline for the air conditioner. Used in liquid flow lines carrying water or any fluid, not harmful to brass or phosphor bronze and not classified as a hazardous fluid .

Features

  • Model:HFS-25 ; Switch Type:SPDT
  • Voltage: 250V AC ; Current: 15A
  • Size: 125 x 78 x 64mm/4.9x3.1x2.5(LxWxH)
  • Weight: 412g
  • Package Content :1x Paddle Flow Switch , 5x Paddles
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Brand: Baomain   |   Manufacturer: Baomain Electric Co.,Ltd

Package Dimensions: 2.8 x 3.6 x 6.2 inches (7.1 x 9.1 x 15.7 cm)

Amazon Price: $16.89 | as of 09/14/2019(10:55am pst)
Availibility: Usually ships in 24 hours
List Price: $16.89

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  #18

Water Flow Sensor Hall Sensor Switch Flow Meter DN25 Brass Water Meter Industrial Turbine flowmeter 1 Inch Water Flow Sensor Coffee Machine

Model: WX3424   |    Mpn: WX4423   |    Ean: 0716150824648   |    PartNumber: WX4423   |   Asin: B07D39RN4Z

Product Model B10 Product Name
Model YF-B10 Product Name
Rated voltage DC=5V inspection standard
1 Appearance Product identification is clear, accurate and correct
2 Water pressure resistance >1.75MPa
3 working voltage range DC5 ~ 15V
4 insulation resistance >100M
5 Accuracy [in 1~25L\MIN] 5%
6 Flow pulse characteristics (6*Q-8) Q=L/Min 5%
7 Output pulse high level > DC 4.7V (input voltage DC 5V)
9 output pulse duty cycle 50% 10%

Features

  • This product is light and flexible appearance, small size, easy to install.impeller is inlaid with a stainless steel shaft and is always wear-resistant.
  • the seal ring used on the structure under the force will never leak,Hall elements imported, water-proof design to prevent water.
  • DC3.5 5V-12V / Pulse characteristics F=98*Q, F-frequency, Q-flow per liter/minute
  • Water pressure resistance >1.75MPa working voltage range DC5 ~ 15V
  • Appearance Product identification is clear, accurate and correct
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Brand: waysear   |   Manufacturer: waysear

Package Dimensions: 1.26 x 6.46 x 7.72 inches (3.2 x 16.4 x 19.6 cm)

Amazon Price: $12.00 | as of 09/14/2019(10:55am pst)
Availibility: Usually ships in 24 hours
List Price: $12.00

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  #19

Onsite Pro FS3/8C Floodstop Compression Auto-Shutoff

Model: FS3/8C   |    Mpn: FS3/8C   |    Ean: 0815361000411   |    PartNumber: FS3/8C   |   Asin: B0054LXAHK

FS3/8C
Prevent water damage from flooding Dishwashers, Water Filters, Toilets, or any other items that use 3/8" Compression fittings
This unit will detect a leak, sound an alarm, and automatically turn off the water supply to the offending appliance or pipe to prevent further damage.
This unit can be easily installed in about 10 minutes.
Comes with a One Year warranty.
Components: Motorized Ball Valve (One Valve, 3/8 inch Compression Fitting), V4 Control Unit (with Battery Backup 4 X AA Size), Water/Leak Sensor (1.25 X 7.5 ), AC Power Adaptor (or use 4 X AA Batteries as Primary Power Source), Output Contact Wires (1).

Features

  • UL listed class 2 wall adaptor, 115AC/9VDC
  • Motorized Ball Valve: CNC machined.
  • Rated 0-180 PSI. Max 250 PSI. Solid brass.
  • Additional sensors may be added in series.
  • Alarm: Beeping with Mute button.
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Brand: OnSite Pro   |   Manufacturer: Onsite PRO Floodstop

Item Dimensions: 8 x 10 x 3 inches (20.3 x 25.4 x 7.6 cm)   |   Package Dimensions: 2.3 x 7.9 x 11.9 inches (5.8 x 20.1 x 30.2 cm)

Amazon Price: $130.95 | as of 09/14/2019(10:55am pst)
Availibility: Usually ships in 24 hours
List Price: $147.05

Warranty: 1 year Manufacturer

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  #20

Gems Sensors 155480 RFI Visual Indicator

Model: 155480   |    Mpn: 155480   |    Ean: 0013227695546   |    PartNumber: 155480   |   Asin: B00L0W5SLS

This is Rotor Flow in its most basic form a bright orange rotor turning with fluid flow. Simple, direct and reliable. Flow rate is estimated, or simply confirmed, by viewing the speed of the turning rotor. Either port may be used for incoming flow, and bayonet mounting lens is easily removed for quick cleanout. RFI Type Rotor Flow sensors are easy to see, easy to install and easy to afford.

Features

  • Body Material: Polypropylene
  • Flow Range (GPM): 1.5-20.0
  • Port Size: 1/2 NPT Female
  • Recommended Filtration: 150 micron
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Brand: Gems Sensors   |   Manufacturer: Gems Sensors

Package Dimensions: 2.5 x 3.7 x 5 inches (6.4 x 9.4 x 12.7 cm)

Amazon Price: $55.00 | as of 09/14/2019(10:55am pst)
Availibility: Usually ships in 24 hours
List Price: $55.00

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