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Item # N-D-75-399-AS, Model D-75-399-AS 75 Gallon (gal) Heavy Duty Instantaneous Direct Spark Ignition Dampered Commercial Gas Water Heater Item # N-D-75-365-AS, Model D-75-365-AS 75 Gallon (gal) Heavy Duty Instantaneous Direct Spark Ignition Dampered Commercial Gas Water Heater Item # N-D-80-180-AS, Model D-80-180-AS 80 Gallon (gal) Heavy Duty Storage Direct Spark Ignition Dampered Commercial Gas Water Heater Item # N-D-80-199-AS, Model D-80-199-AS 80 Gallon (gal) Heavy Duty Storage Direct Spark Ignition Dampered Commercial Gas Water Heater Item # N-D-80-512-AS, Model D-80-512-AS 80 Gallon (gal) Heavy Duty Instantaneous Direct Spark Ignition Dampered Commercial Gas Water Heater
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