Noritz NR98SV-NG Indoor Tankless Water Heater (Natural Gas, 9.8 GPM)

Noritz NR98SV-NG Indoor Tankless Water Heater (Natural Gas)

The Noritz NR98SV-NG is a powerful, non-condensing tankless water heater built to deliver continuous hot water for medium-to-large households. With up to 9.8 gallons per minute (GPM) and a heating range of 16,000–199,900 BTU/h, this system provides enough capacity for multiple showers and appliances running at the same time.

Key Features

• High Capacity: Supports up to 4 showers simultaneously in temperate climates.
• Energy Efficiency: Uniform Energy Factor (UEF) of ~0.82 with ~84% thermal efficiency.
• Durable Build: Commercial-grade copper heat exchanger, 25% thicker than standard models.
• Advanced Safety: Freeze protection, flame sensor, overheat prevention, scale detection, and lightning protection.
• Precise Control: Adjustable temperature settings from 100°F to 140°F with remote thermostat capability.
• Expandable: Quick-Connect feature allows linking two units for double capacity.
• Low NOx Certified: Meets strict environmental standards for clean combustion.

Specifications

• Model: NR98SV-NG
• Fuel: Natural Gas
• Flow Rate: 0.5 – 9.8 GPM
• Input Range: 16,000 – 199,900 BTU/h
• UEF: ~0.82
• Installation: Indoor (single vent, power vent)
• Dimensions: 23.6" H × 13.8" W × 9.4" D
• Weight: ~54 lb
• UPC: 817000013257
• Connections: 3/4" NPT water & gas
• Warranty: 12 years heat exchanger / 5 years parts / 1 year labor (residential)

Ideal Applications

• Homes with high hot water demand (multiple showers + laundry + dishwasher)
• Medium-to-large households looking to upgrade from traditional tank heaters
• Indoor installations with single-vent exhaust
• Regions requiring Low NOx-compliant appliances

Why Choose Noritz?

Noritz has been a trusted name in water heating for decades, known for combining innovation, efficiency, and reliability. The NR98SV-NG is part of their high-performance residential line, offering long-lasting durability, generous warranty coverage, and consistent hot water on demand.

Professional installation recommended. Actual performance may vary based on incoming water temperature and system demand.