Intelligent Demand Pump System: Automatic water inlet and pressure regulation, 40 PSI at full load. To prevent the pump from idling without water, the pump is equipped with a floating valve switch on the inlet pipe. Powerful Sunction: This Bottled water dispenser can provide 40 PSI (2. 8 bar) pressure max and 2 GPM flow. There is no worry about water pressure problems. It can Automaticlly shut off when water drains, restart when jug refilled. Safe and Healthy : Water pump for coffee maker is made of food grade material to ensure clear and hygienic water. Equipped with thermal protection, preventing overheating damage due to long time working. Ultra-light frame and compact size, easy to carry. High Compatibility: Water pump for refrigerator ice maker can be easily installed under counter. Suitable for universal 2-5 gallon water bottle connections, faucets, refrigerators, ice machines, coffee makers, hot and cold water dispensers, etc.