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Quick Details

  • Place of Origin: Shanghai, China (Mainland)
  • Brand Name: ACOL
  • Model Number: WFS21020BE
  • Type: Flow Switch
  • Application: Heater Parts
  • Certification: CE
  • Max. voltage:250VAC(no status light ): Max. current:1A

Packaging & Delivery

Packaging Details Carton Boxes .
Delivery Time 1 day

Heat pump parts


The WFS21 heat pump parts is developed by ACOL engineer on the basis of analyzing and researching the disadvantages of other paddle flow switch in market. It is made of brass or niclel-plate. It offers a unique blend of compact size,excellent performance ,cost-effective and environmental protection. Compared with traditional target paddle flow switch, its performance is higher. Adopt plug-in installation, mechanical type and magnetic switch.



good repeatability

hermetic separation of electrical and hydraulic components

low pressure loss

not include the bellows

corrosion resistant

magnetic switch



gaseous /liquid

The heat pump parts mainly applicable to industrial automation/mechanical equipment/air compressing industry/ refrigeration and air-conditioner. The magnet not contact with flowing water, so can normally work in sewage discharging system


Technical parameters

Max. voltage:   250VAC
Max. current: 1A(50VA)
Mode of connection: Installed cable
Output: SPST magnetic switch(factory configure the N/O)
Pressure: 25bar, custom-made 40 bar
Average pressure loss: 0.01bar at Q.max
Working temperature: -20~85°C
Protection class:   IP65
Material:  Body: brass /stainless steel
  Paddle: stainless steel
  Seal: NBR



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China (Mainland) | Manufacturer, Trading Company
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