Feature: 1. Used in water treatment systems, central air conditioning, water‑cooled units and other fields. 2. Suitable for water, ethylene glycol and any other liquid that has no corrosive effect on brass and phosphor bronze and has no effect on sealing performance. 3. The flow switch has the characteristics of high sensitivity and strong durability, practical for use. 4. Medium temperature is 0‑60 ℃, contact life is about 100,000 times, rated pressure is 10bar. 5. Made of high quality brass material, high hardness and strength, wear‑resistant and durable. Specification: Condition: 100% Brand New Item Type: Water Flow Switch Material: Brass Model: HFS-25 Interface Size: Approx. 2.54cm / 1in Medium Temperature: 0-60 ℃ Contact Life: 100,000 Times Negative: AC220V 15A Rated Pressure: 10bar Output Mode: SPT. Package List: 1 x Water Flow Switch5 x Paddle Note: 1. Please allow slight error due to manual measurement. Thanks for your understanding.2. Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard.