Paddle type Electronic Automatic Water Flow Switch for air conditioner HVAC system Controls brass IP54 The paddle type B series are designed to provide excellent performance where accuracy, reliability, and rugged construction(IP54)are required used in llquid flow lines carrying water or any fluid neither harmful to brass and prosphor bronze nor classified as a hazardous fluids.

They can be wired to close one circuit and open a second circuit when liquid flow either exceeds or drops below the adjusted flow rate. The WS series are recommended for liquid pressure and temperature as
mentioned below and must not be used on llnes carrying liquids below 0 degree C