The Camplux WA686 is the largest outdoor model of the Camplux tankless water heater range, aesthetically pleasing and simple design. Rated at an impressive 6.86 GPM and 180,000 BTU per hour, the WA686 can meet all the hot-water needs for typical 3 bedrooms, two bath homes. Come with Constant Temperature Function, which can help you experience clean, reliable hot water at a consistent pre-set temperature. Camplux water heater is with innovative combustion tecnology and advanced multiple protection systems to ensure your safety. With an outdoor installation, no addtional vent pipe needs to be purchased. . The startup water flow 0.79 gallons per minute. The operating natural gas pressure is 1.5-2.6kPa/0.22-0.38 psi. Includes digital remote control with a 3.3ft remote control cable, conviniently available to control the water temperature indoor Available adjustable temperature is 99ºF(37?)-140ºF(60?). The camplux tankless propane water heater line was not recommend for elevation above 2000 ft.