G3/4" Copper efekt Halla Liquid Water Flow Sensor Switch Flow Meter Description: Made of copper material The maximum water pressure is 0,75 MPa, from 2 l/min to /min. Lightweight and compact size, stable performance, start at low water pressure, very easy to install and safe to use It can be perfectly used for water heaters, water dispensers, water purifiers, water, coffee makers, flow measurement equipment, water control machines and so on. connection: red for positive pole, black for negative pole, yellow for . Specification: Type: G3/4" (external thread diameter) Size: DN20 Material: copper Water quality requirements: ≤60 ℃ Initial flow rate: 1,5 l/min Flow Range: 2-/min Maximum water pressure: 1,75 MPa Pipe length: approx. 45mm/1,77 inch External thread diameter: G3/4" Color: as the pictures show The package includes: 1 flow sensor