Xtreme Heavy Duty 90 Gal. 640K BTU Commercial Natural Gas ASME Mass Code Tank Water Heater BTU Rating:640000 7 Brand Name BioAdvanced Local 7 Brand Name BioAdvanced Local SKU Available Stores ALL Local SKU Store SKUs 7508914 Application Season multi season Container Size 25 pound Coverage Area 10000 square foot Grass Type southern grasses Organic no Packaging Type bagged Product Form granules Suitable for Vegetables no Fertilizer Analysis (N P K) 35 0 3 Phosphorus Free yes Application Conditions established Pre Post Emergent both Primary Usage weed & feed Size of Lawn large (10000 sq ft+) Not recommended for use above 7000 RPM shipment or installation of this water heater in any air quality district that requires low NOX water heaters Xtreme is an advanced line of fast recovery heavy duty commercial gas water heaters