Honsberg Flow Switches of 2025
Best Choice1
Grid ControlsFlow Switch, Grid Controls 1" 5A with Box and Cord, M310 Flow Switch, Chemical dosing Control, for Pump
Main highlights- Useful in the following applications: Water treatment systems, Aquarium, water chiller plants, chemical dosing, pump control Pump Systems Blending or Additive Systems Liquid Transfer Systems Fire Sprinkler Systems Water Treatment Systems Solar systems Pool cleaning systems Irrigation systems
9.8Exceptional
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Value for Money2
Mcdonnell & MillerMcDonnell & Miller FS4-3 General Purpose Liquid Flow Switch
Main highlights- Sensitivity adjusting screw makes flow adjustment easy
- Minimum/maximum temperature: 32 degrees F/300 degrees F
- Four stainless steel paddles included: 1", 2", 3" & 6" (25, 50, 80, & 150mm)
- For starting or stopping electrically operated equipment such as signal lights, alarms, motors, automatic burners, metering devices and others
- 1" NPT
9.5Excellent
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3
Grid ControlsFlow Switch, Grid Controls 1" with Two Cords, M310 10A Flow Switch, Chemical dosing Control, for Pump-57-F4-3100-112
Main highlights- Water Treatment Systems
- Useful in the following applications: Water treatment systems, Aquarium, water chiller plants, chemical dosing, pump control
- Solar systems
- Pump Systems
- Pool cleaning systems
- Liquid Transfer Systems
- Irrigation systems
- Fire Sprinkler Systems
- Blending or Additive Systems
9.4Excellent
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4
AR Annovi ReverberiAR North America MV60H Horizontal Mounting 4,350 PSI Flow Switch
Main highlights- item package weight: 3.0 pounds
- Power source type: Hydraulic Powered
- Model No: MV60H
- Max psi: 4350
9.3Excellent
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5
DIGITENDIGITEN FS-C02 G3/4" BSP Male Thread Brass Water Flow Switch 1-30L/min, 0-2A/ 0-220V(AC or DC)
9.3 Easy installation8.7 Precision8.0 DurabilityWhy we love it
Safe and reliable, meets ROHS standards.
Easy to install, waterproof and heat resistant.
Versatile, suitable for various applications.
9.1Excellent
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6
XMKXMK Flow Switch Replacement for Q-12DS-C2, Flow Switch for Sundance Spas, Jacuzzi Hot Tub and Sweetwater Spas, Replace Part# 2560-040
9.1 Easy installation9.1 worth the money9.0Excellent
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7
NiiyenPDT R3/4 HFS-20 Target Flow Controller, Automatic Paddle Type Water Flow Switch, 15A 250V IP54
Main highlights- [WIDELY]: 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. R3/4 water flow switch is applicable for fluid includes water, oil or other liquid not classified as hazardous or corrosive and air
- [OUTPUT FORM]: flow sensor switch automatic output form is micro switch SPDT output, Micro Switch is 15A(max.), 250VAC/DC. HFS-20 water flow sensor switch has the feature that easy to use, high precision, reliable and stable
- [MATERIAL]: Paddle flow switch is not easy to rust and wear,the R3/4 threaded joint is made of brass, and the shell is made of ABS plastic, can be used for a long time
- [LEVEL]: Water flow sensor protection grade is IP54; the contactor life is up to 100,000 times, fluid Temperature is 1℃~100℃/ 33.8℉~212℉, max. Pressure is 10bar. Please note the flowswitch can not be used when fluid temperature drops below freezing point
- [ADJUSTABLE]: R3/4 flow sensor control value is adjustable, repeat action point is stable. When flow rate exceeds set value, fluid drives blade and micro switch, the SPDT contact can connect a circuit and disconnect other circuit
8.8Very Good
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8
Harwil CorporationHarwil Corporation Original Replacement Flow Switch for Hayward Goldline GLX-FLO-RP, 15-Foot Cable
9.5 Easy installation9.5 materials Quality9.3 Tech SupportWhy we love it
Affordable and high-quality replacement part.
Easy to install with clear flow direction arrows.
Excellent customer service and support.
8.7Very Good
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9
HarwilHarwil Original Replacement Flow Switch for Pentair Intellichlor 520736
Main highlights- Manufactured for Pentair by HARWIL
- Made USA
- Harwil Original Replacement Flow Switch for Pentair Intellichlor 520736
- 4 Wire Version - Temperature and Flow Switch, after 1/2009 and is most common, usually has a RED tag.
8.6Very Good
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10
HaywardSolaxx GNR00003 Flow Switch with Round Connector
9.9 Durability9.7 Easy installation9.3 worth the moneyWhy we love it
Easy to install with standard 3/4" male pipe thread.
Quick delivery and sturdy packaging.
Effectively resolves low flow issues in pool systems.
8.5Good
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