U8 Government Federal law prohibits removal of this label before consumer purchases. ENERGY GUIDE Instantaneous Water Heater -Natural Gas SONORITY Capacity (max. flow gpm Model EZ98DV US) Estimated Yearly Energy Cost $193 ‘3195.9 $230.0 Cost Range of Singular Models Tho estimated beady operating cost of this mode! was not available when the range was published. Maximum Gallons Per Minute of Hot Water (GPM Rating) very small low medium * Your cost will depend on door publicity rates and use.