National Onyx Electric Water Heater

National Onyx Electric Water Heater Built for dependable everyday performance, the National Onyx Electric Water Heater combines heavy-duty construction with efficient heating and enhanced safety. Designed for homes that require reliable hot water and can handle higher water pressure, the Onyx series features a durable inner tank, long-lasting Incoloy heating element, full thermal insulation, and multiple protection systems for safe and efficient operation. Eco Watt: Dual Power Wattage: 800W–2000W adjustable element wattage control Heating Element: Incoloy 840 for durable, long-lasting heating performance Inner Tank: 10-gauge heavy-duty inner tank Capacities: 35 L, 45 L, 55 L, 65 L Model: Onyx – Heavy Duty Warranty: 3-year tank leakage warranty Key Features: Energy-saving technology, resistant heating element, full thermal insulation, overheating protection, pressure protection, and heavy-duty construction for reliable hot water performance. Installation Note: The Onyx Heavy Duty model is recommended for installations where a pressure pump or pressure motor is being used.