Rheem RTE 27 Series Use and Care Manual - Page 7

Figure 1 Location of Unit NOTICE: Unit must be installed in a vertical position ONLY with the water fittings pointing horizontally, Do not install the unit where it would routinely be splashed with water. Electric shock may result. 1. Install the tankless water heater as close as possible to the hot water draw-off point, for example, directly beneath the sink or next to the shower stall. 2. Install the tankless water heater in a frost free area. If frost may occur, remove the unit before freezing temperatures set in. 3. Leave a minimum of 12" of clearance on top and bottom of the unit for servicing. Mounting The Water Heater Mounting kit contains sheet metal screws and supporting brackets in a plastic bag. BACK PANEL UPPER MOUNT HOLE These brackets can be attached to the back of the heater and allows the installer to secure the heater to the wall without the need to open the front cover. Make sure to use only the brackets and screws that are provided in the mounting kit. The use of longer screws may damage the unit and void your warranty. WALL MOUNT BRACKET LOWER MOUNT HOLE 7