Feature:1. Used in water treatment systems, central air conditioning, watercooled 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 060 , contact life is about 100,000 times, rated pressure is 10bar.5. Made of high quality brass material, high hardness and strength, wearresistant and durable.Specification:Condition: 100% Brand NewItem Type: Water Flow SwitchMaterial: BrassModel: HFS-25Interface Size: Approx. 2.54cm / 1inMedium Temperature: 0-60 Contact Life: 100,000 TimesNegative: AC220V 15ARated Pressure: 10barOutput Mode: SPT.Package List:1 x Water Flow Switch5 x PaddleNote: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.