1. Stable and Reliable: This G1 Halleffect liquid water flow sensor switch operates with stable performance, even under temperatures and low water pressure. It ensures consistent and reliable operation. 2. Easy Installation: With its compact size and simple installation process, this sensor switch is convenient to set up. The waterproof design, along with the stainless steel shaft, prevents water ingress and provides wear resistance for longlasting use. 3. ThreeWire Connection: The sensor switch features a threewire connection. The red wire is for positive, the black wire for negative, and the yellow wire for the pulse signal. This straightforward wiring scheme allows for easy integration into various systems. 4. Wide Application: Designed for water heaters, this water flow sensor switch can also be used as a switch in other applications. Its maximum water pressure is 75 MPa, with a flow range of 250 L/min, making it suitable for various speed requirements.