Flojet automatic bottled drinking water dispensing pump system # BW1000A. Ideal for dispensing drinking bottled water to the refrigerator ice maker / door tap, coffee brewer, espresso coffee cart or drinking water faucets. UL/cUL listed.SpecificationsApplications: Bottled water dispensing; refrigerator ice maker; coffee brewer, espresso coffee cart and drinking water faucet water dispenser Pump Module: Demand pump with On/Off switch. 6' cord with plug. Operation: Water demand turns pump on and off automatically. Water Source: Designed to pump water from 3, 5, or 6 gallon water bottles. Low Water Protection: System automatically shuts off when bottled is empty. Check Valve: Built-in check valve to prevent back flow. Suction: Wand with strainer and hose assembly Discharge Tubing: 20 feet of 1/4" tubing Refrigerator Connection: Refrigeration fitting Universal seal cap: Fits any 3, 5, and 6 gallon plastic water bottle. Instructions: Installation and maintenance Maximum Flow: 1.0 GPM Operating pressure: to 30 PSI Electrical: 115 volts, 50/60 Hz. 0.5 amps. Module dimensions: 3" high, 5.5" wide, 7.5" long Carton dimension: 6" high, 11" wide", 16" long Weight: 10 lbs Certifications: UL and CUL listed The system is quiet but not silent. Just as you can hear your refrigerator, dishwasher, washing machine and dryer running , you will also hear the "humming sound" of the diaphragm pump when it is pumping.