EASY TO SET UP AND USE Mount the gas shower on the wall with provided installation kits. Connect shower hose to the hot water outlet. Connect water hose to the water inlet. Connect gas regulator to the gas cylinder. Check carefully gas leaking by spraying soap solutions on the connections. Insert 2-D-cell batteries (not included). Open gas valve and switch on the shower head, water flows, water heater turns on automatically, hot water comes out instantly. Connect gas regulator and gas inlet brass fittings by torque wrench with torque force between 20-28 Nm. Why Camplux? Camplux dedicated to provide you an easy and efficient outdoor life style. Portability, energy saving and innovation are the three key elements for Camplux. With the most advanced technology in water heating, our tankless gas water heaters can save you up to 50 percent on water heating costs. They are also compact and wall-mounted so you save valuable storage space for a new closet! Please install the gas water heater