Control the temperature of your tankless water heater from any convenient indoor location with the RC-9018 remote control accessory. Use the remote to access the safety features and avoid scalding hot water as well as dial in a water temperature that best suits your needs. Remote Control: Designed for indoor use only this remote controls the power temperature and sets the flow meter alarm. Control the water temperature between the 100-180 degree Fahrenheit range or switch over to Celsius if you prefer. An optional outdoor junction box is available for outdoor water heater installations. Features: Digital display and precision Easily set water temperature Quick access to diagnostic system Option for temperature lock-out Introducing the latest advancements in tankless water heater technology for your home Noritz tankless hot water heaters are both eco-friendly and energy efficient providing savings up to 40% in utility costs. Their gas water heaters warm water on demand which means you ll always have hot water and it will never run out.