Gas water heater installation location

Gas water heater installation location should be about 1.4 meters above the ground, whichever is appropriate, not too much distance between the upper and lower staggered, it should be based on whichever screen at eye level, so that the switching gas valve for water heater is also more convenient. Not good at water heater gas heater control valve installation of home smoke vents open hole position is also limited, which requires the actual size of the water heater to the wall drawn, find the best location. Finally, with regard to the installation location of the water heater line, the end of the hose must be made "L" type, absolutely not straight up and down installation, but most water heaters, hot water outlet, are facing above the water heater.