Brochures Back to DocumentsResidential Electric Water Heaters Point of Use Standard, Cascade, Super Cascade Standard, Cascade, Super Cascade equiped with ECOPEAK® technology Expert Plus, standard Expert Plus, bottom entry Expert Plus, standard equiped with ECOPEAK® technologyResidential Gas-Fired Water Heaters Atmospheric Vent (all models) Atmospheric Vent (30 gal) Atmospheric Vent with Powered Damper Power Vent Power Direct VentDISCONTINUED MODELS Direct Vent Tank-Tankless Crossover, TTX SerieResidential Oil-Fired Water Heaters StandardTankless Water Heaters Comfort Series | Performance SeriesResidential Storage Tanks Storage TanksCommercial Electric Water Heaters Standard Flexible (New Generation)Commercial Gas-Fired Water Heaters Atmospheric Vent (Light Duty) Atmospheric Vent (Heavy Duty) Power Vent (Light Duty) CondensingCommercial Storage Tanks Storage Tanks