BOTTLE WATER PUMP SYSTEM: This 110v water dispenser pump works with a commercial 5 gallon jug of water. It can deliver water under pressure to an individual drinking water faucet, offer hot or chilled water anytime. Perfect for water inlet of a refrigerator, coffee & Tea machine and anywhere else on-demand water supply is needed. SAFETY TO USE: When the bottle is empty, the pump system will shut off. With Illuminated on/off switch, provides clear visibility in dark or hard-to-reach places. This dispensing pump system with 40 PSI (2. 8 bar) maximum pressure, no worrying about water pressure problems. LESS NOISE: The pump equipped with noise dampening rubber feet to minimize noise pollution, recommend using 4 screws and securing it to a wall to make it even more quiet and cuts down on vibration. EASY TO INSTALL: The bottled water system comes with easy to read instructions that will make the install a breeze. CUSTOMER SERVICE: We stand behind our products and want to ensure that you love them just as much as we do. We promise that the pump was not used before. All our pump will do qualification test before sale and packaged, the residual water may cause moisture. Contact us if any problems caused, we will help you solve the problems ASAP!