The Suburban ST-60 On Demand Water Heaters provide an endless supply of hot water at a controlled temperature as set by the RV owner. The On-Demand feature saves energy by only engaging the burners when water is needed, be it for a hot shower, clean dishes or for hosing off after a day at the beach. The unit comes ready for set-up with an included wall mount digital control center. Designed with a wide array of safety and protection features.