This point of use water heater is made to install on the wall and heat water instantly, providing you with instant hot water Microprocessor provides accurate control, and eliminates wasted energy resulting in decreased energy use and increased savings Ideal for a single flow application, like a handwashing station or sink Hot water heater activates with 0.3 GPM flow rate and has a maximum flow rate of 2 GPM Temperature ranges from 100°F to 110°F Easy to install, simply hook up one line using the included 3/8" NPT connection This product is cUL listed Covered by a 1 year electrical, 5 year limited manufacturer warranty Specifications: Height: 4-3/16" Width: 5-1/4" Depth: 4-3/16" Default Temperature: 105°F Temperature (Max): 110°F Temperature (Min): 100°F Maximum Flow Rate: 2 GPM Activation Flow Rate: 0.3 GPM Voltage: 120V Kilowatts: 3.5 KW.