![Series FS-2 | Vane Flow Switch is an economical flow proving solution. Adjustable to fit one to eight inch pipes. Applications include hot water heaters, chillers, machinery, cooling lines, and boiler flow Series FS-2 | Vane Flow Switch is an economical flow proving solution. Adjustable to fit one to eight inch pipes. Applications include hot water heaters, chillers, machinery, cooling lines, and boiler flow](http://www.dwyer-inst.com/images/addtl/FS2_600x600.gif)
Series FS-2 | Vane Flow Switch is an economical flow proving solution. Adjustable to fit one to eight inch pipes. Applications include hot water heaters, chillers, machinery, cooling lines, and boiler flow
![Flow switch type VHS for direct installation - 1/2 "male - DN 20 ... 200 - With stainless steel paddle for high flow rates Flow switch type VHS for direct installation - 1/2 "male - DN 20 ... 200 - With stainless steel paddle for high flow rates](https://static.esska.de/shop/bilder/lbilder/e990235c6bb77fb3887178d7a780289b_z.jpg)
Flow switch type VHS for direct installation - 1/2 "male - DN 20 ... 200 - With stainless steel paddle for high flow rates
![Woljay Water Flow switch 1/2" SPDT HFS-15 Cooling System Water Paddle Flow Control Switch AC 250V 16A : Amazon.co.uk: DIY & Tools Woljay Water Flow switch 1/2" SPDT HFS-15 Cooling System Water Paddle Flow Control Switch AC 250V 16A : Amazon.co.uk: DIY & Tools](https://m.media-amazon.com/images/I/61F212S2vyL._SL1000_.jpg)
Woljay Water Flow switch 1/2" SPDT HFS-15 Cooling System Water Paddle Flow Control Switch AC 250V 16A : Amazon.co.uk: DIY & Tools
![GEMS 25365 FS-10798 FLOW SWITCH, BRASS, 1/2 NPT" FEMALE, PISTON, BRASS BODY, 5-1000PSI, 1/2" NPT NOZZLE | Kempston Controls GEMS 25365 FS-10798 FLOW SWITCH, BRASS, 1/2 NPT" FEMALE, PISTON, BRASS BODY, 5-1000PSI, 1/2" NPT NOZZLE | Kempston Controls](https://images.kempstoncontrols.com/i/lrg/cc1ab5249689b5c02e7064fcb3aca9f7.png)
GEMS 25365 FS-10798 FLOW SWITCH, BRASS, 1/2 NPT" FEMALE, PISTON, BRASS BODY, 5-1000PSI, 1/2" NPT NOZZLE | Kempston Controls
![Hfs25 Honeywell Size 1/2~1 Inch Paddle Water Pump Flow Switch - China Water Flow Switch and Honeywell Water Flow Switch Hfs25 Honeywell Size 1/2~1 Inch Paddle Water Pump Flow Switch - China Water Flow Switch and Honeywell Water Flow Switch](https://image.made-in-china.com/155f0j00kAJaoUYhbpgs/Hfs25-Honeywell-Size-1-2-1-Inch-Paddle-Water-Pump-Flow-Switch.jpg)
Hfs25 Honeywell Size 1/2~1 Inch Paddle Water Pump Flow Switch - China Water Flow Switch and Honeywell Water Flow Switch
![G1/2"-1/2" Pump Flow Switch, 1 PCS HT-120 AC 220V 1A Thread Water Pump Flow Sensor Switch for The Household Tap Water Pressurization : Amazon.co.uk: Business, Industry & Science G1/2"-1/2" Pump Flow Switch, 1 PCS HT-120 AC 220V 1A Thread Water Pump Flow Sensor Switch for The Household Tap Water Pressurization : Amazon.co.uk: Business, Industry & Science](https://m.media-amazon.com/images/I/51n2-OwhY1L._AC_SY355_.jpg)
G1/2"-1/2" Pump Flow Switch, 1 PCS HT-120 AC 220V 1A Thread Water Pump Flow Sensor Switch for The Household Tap Water Pressurization : Amazon.co.uk: Business, Industry & Science
![Series V10 | FLOTECT® Mini-Size Flow Switch is designed to be inexpensive, reliable monitoring of the presence or absence of flow in a system. Applications include automatically starting auxilary pumps and engines. Series V10 | FLOTECT® Mini-Size Flow Switch is designed to be inexpensive, reliable monitoring of the presence or absence of flow in a system. Applications include automatically starting auxilary pumps and engines.](https://www.dwyer-inst.co.uk/images/addtl/V10_600x600.gif)
Series V10 | FLOTECT® Mini-Size Flow Switch is designed to be inexpensive, reliable monitoring of the presence or absence of flow in a system. Applications include automatically starting auxilary pumps and engines.
![Series V4 | FLOTECT® Vane Operated Flow Switch is reliable and ideal for automatically protecting equipment and pipeline systems against damage from reduction or loss of flow. | Dwyer Instruments Series V4 | FLOTECT® Vane Operated Flow Switch is reliable and ideal for automatically protecting equipment and pipeline systems against damage from reduction or loss of flow. | Dwyer Instruments](http://www.dwyer-inst.com/images/addtl/V4_600x600.gif)
Series V4 | FLOTECT® Vane Operated Flow Switch is reliable and ideal for automatically protecting equipment and pipeline systems against damage from reduction or loss of flow. | Dwyer Instruments
![The Paddle Flow Switch 1/2 Inch Brass Material 1.5 Mpa Water Flow Meter Switch - Flow Sensors - AliExpress The Paddle Flow Switch 1/2 Inch Brass Material 1.5 Mpa Water Flow Meter Switch - Flow Sensors - AliExpress](https://ae01.alicdn.com/kf/Ha4eeb6b012034e97864deaae434acdffe/The-Paddle-Flow-Switch-1-2-inch-Brass-Material-1-5-Mpa-Water-Flow-Meter-Switch.jpg)