1 1. Before performing any maintenance it is important to turn off the gas supply to the water heater at the manual gas shut-off valve. This valve is typically located beside the water heater.
Water Heater – Natural Gas XYZ Corporation Compare the Energy Use of this Water Heater with Others Before You Buy. This Model Uses 240 therms/year Uses Least Uses GG50T06AVH00 38.0 761,6,21 80 0.58 50 GG50T06HVG00 40.0 761,6,17,21 82 0.58 50