Finish:Light Gray Granite, Gallons Per Hour:8 GPH Wall Mount Sensor-Operated Hands-Free Water Coolers Barrier-Free Access (Adult & Child) Self-contained, wall hung electric refrigerated water cooler. Chilling capacity of 50F drinking water, based upon 80F inlet water and 90F ambient. Models EZO4 and EZO8 sensor-operated coolers have unique Hands-Free operation and patented valve with built-in flow regulator to provide constant stream from 20 to 105 psi. Non-pressurized stainless steel cooling tank is standard. Nonpressurized water tank is located after bubbler valve, so that tank is subject to line pressure only whe