Flow Sensor Messings of 2025
Best Choice1
AlphacoolAlphacool ES High Flow and Temperature Sensor with RPM Signal
Main highlights- Threads: 2x G1/4" internal thread
- The flow sensor enables continous measurement of the water flow in a loop
- Readable temperature range between -40 and 125 C
- Alphacool's eS High Flow and Temperature Sensor can be easily integrated into an water cooling loop
- A classic NTC 10 kOhm thermistor is used as the sensor
9.8Exceptional
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Value for Money2
GarosaWater Pump Flow Sensor, HT30 11 110V G1" Thread Water Flow Sensor Switch Brass Electronic Pressure Automatic Control Switch for Booster Pump,Control Switch
Main highlights- Using high temperature resistant brass material, which can be used under both cold and hot water conditions.
- This water pump start automatically, open the faucet the water pump works automatically, close the faucet the water pump stops working.
- The sensor realize automatic water flow control, easy and practical to use.
- Start at low water pressure as long as the water flow speed is not less than 1.5L/min.
- Adopt electronic components as control devices, so that the switch has no sparks during use, totally enclosed with high safety.
9.7Exceptional
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3
briidea16% Offbriidea Flow Switch, Flow Sensor with Tee for Hayward Salt System, Compatible with Hayward Goldline System
9.5 worth the money9.3 Easy installation8.2 Long lifeWhy we love it
Compatible with Hayward systems
Protects pool, equipment from harm
Easy installation, 2 year warranty
9.6Exceptional
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4
GREDIAGREDIA 3/4" Water Flow Sensor Food-Grade Switch Hall Effect Flowmeter Fluid Meter Counter 1-60L/min (Pack of 2）
Main highlights- Working voltage: DC 5-24 V, F=(5.5*Q)±2%, Q=L/Min
- Wide application: It is mainly used in water heater, coffee machine, water purifier, drinking fountain, beverage machine, campus smart card equipment, etc.
- Material: food grade plastic, all raw materials conform to the ROHS test standard
- Flow range:1-60L/min, Water Pressure: ≤1.2Mpa
- Connect to G3/4 inch male thread, hall effect, comes with 2 pieces
9.4Excellent
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5
GREDIAGREDIA 1/4" Quick Connect Water Flow Sensor Food-Grade Switch Hall Effect Flowmeter Fluid Meter Counter 0.3-6L/min (Pack of 2）
Main highlights- Working voltage: DC 5-24 V, F=(38*Q)±3%, Q=L/Min
- Wide application: It is mainly used in water heater, coffee machine, water purifier, drinking fountain, beverage machine, campus smart card equipment, etc.
- Material: food grade plastic, all raw materials conform to the ROHS test standard
- Flow range:0.3-6L/min, Water Pressure: ≤0.8Mpa
- Connect to a G1/4 inch tube, quick connector, hall effect, comes with 2 pieces
9.2Excellent
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6
GREDIAGREDIA 3/8" Oil Flow Sensor High Density Liquid Food-Grade Switch Hall Effect Flowmeter Fluid Meter Gear Counter Connect Hosepipe 5-600L/H for Fuel Gasoline Diesel Milk Detergent Water
Main highlights- This product is mainly used for liquids with high concentration such as milk, detergent, diesel oil, motor oil, chemical industry and paint.
- Material: food grade plastic, all raw materials conform to the ROHS test standard
- G3/8 inch, connect to a hosepipe, interface diameter:12.6mm
- Flow range: 5-600L/H, Power supply: 3.5-12V
- F = (2.5* Q) ± 1%, Q=L/Min, error: ± 1%, Working liquid temperature range: 0-80℃ (0-176°F)
9.1Excellent
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7
GREDIAGREDIA G1" Male Thread Brass Water Flow Sensor Switch Hall Effect Liquid Flowmeter Fluidmeter Counter BSP 2-50L/Min（58mm in Total Length）
Main highlights- Wide range of applications, mainly used for water heaters, water dispensers, etc.
- Material: High quality brass with more than 57% , anti-oxidation, more wear-resistant
- Flow range: 2-50L/Min, Water Pressure: ≤1.75Mpa, Working voltage range: DC5～15V
- F = (7.5* Q-4) ± 5%, Q=L/Min, error: ± 5%, Operating temperature range: 0-80℃ (0-176°F)
- Connection size: G1 inch BSPT male thread, 58mm, hall effect
9.0Excellent
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8
DIGITENDIGITEN CF-B7ZJ SENSTREE G1/2 inch Male Thread Brass Water Flow Sensor, Hall Effect Sensor Switch Flow Meter Flowmeter Counter with Temperature Sensor 1-25L/min
Main highlights- International products have separate terms, are sold from abroad and may differ from local products, including fit, age ratings, and language of product, labeling or instructions.
8.8Very Good
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9
uxcelluxcell G1/2" Hall Effect Liquid Water Flow Sensor Switch Flowmeter Counter Meter DC 5V 60mm 1-30L/min SEN-HZ21WI
Main highlights- The water flow sensor is applied for water heater, and can be used as flow switch.
- Stable, high temperature, low water pressure start.
- Flow Range: 1-30L/Min; Maximum Water Pressure: 1.75MPa
- 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.
- All materials are in line with SGS testing standards.
8.7Very Good
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10
briideabriidea Flow Switch, Flow Sensor Compatible with Hayward Goldline Systems
9.9 Easy installation8.4 worth the money8.0 Long lifeWhy we love it
Compatible with Hayward systems
Monitors water flow rate
Live customer support
8.6Very Good
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