The T-K3-OS tankless water heater is designed to be installed only outdoors. At 13.8 inches wide and weighing 40 pounds, the unit can be mounted on a wall or installed between two wall studs using the TK-RBO2 recess box. It features a built-in power venting system. The water heater doesn’t require any additional Category III venting or vent caps. The T-K3-OS starts heating water at 0.5 gallons per minute (gpm) and can keep that endless supply of hot water running from as low as 0.4 gpm up to a maximum flow rate of 7 gpm. It features a thermal rating of 83 percent for both liquid propane and natural gas. According to the manufacturer, the water heater also offers four separate temperature settings, ranging from 113° to 167°F, so it doesn’t require a separate remote control.

Takagi Industrial Co. USA Inc., 5 Whatney, Irvine, CA 92618; 888-882-5244 or 949-770-7171; 949-770-3171 (fax);

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