Noritz NR98-SV-NG 199,000 BTU Indoor Non-Condensing Tankless Water Heater (Natural Gas)

Noritz NR98-SV-NG 199,000 BTU Indoor Non-Condensing Tankless Water Heater (Natural Gas)

The Noritz NR98-SV-NG is a high-capacity indoor tankless water heater designed for whole-home residential use. With a powerful 199,000 BTU burner and up to 9.8 GPM flow (at low temperature rise), this unit is ideal for medium to large homes that need reliable, continuous hot water.

Key Features

• 199,000 BTU (199,900 BTUH) burner for high-demand residential applications.
• Up to 9.8 GPM flow rate (depending on temperature rise), supporting multiple fixtures running at the same time.¹
• Indoor side-vent (SV) installation using Category III stainless steel venting; PVC cannot be used.²
• Non-condensing design with a Uniform Energy Factor around 0.82–0.83, significantly more efficient than traditional tank heaters.³
• Wide modulation range from 16,000 to 199,900 BTU/hr to match actual demand and improve comfort and efficiency.⁴
• Self-diagnostic onboard computer for easier service and troubleshooting.⁵
• Built-in safety features including flame sensor, overheat prevention, lightning protection, and freeze protection.¹¹
• Compact, wall-mounted design frees up floor space in utility rooms and garages.

Ideal Applications

• Medium to large single-family homes
• Houses with 2–4 bathrooms
• Homes running showers, laundry, and dishwashing at the same time
• Indoor installations where stainless-steel venting is acceptable

Technical Specifications

• Model: Noritz NR98-SV-NG
• Fuel Type: Natural Gas
• BTU Input Range: 16,000 – 199,900 BTU/hr (199 MBH)⁴
• Maximum Flow Rate: Up to 9.8 GPM (0.5–9.8 GPM operating range)^{4:contentReference[oaicite:0]{index=0}}
• Energy Factor / UEF: ~0.82–0.83 (non-condensing)^{4:contentReference[oaicite:1]{index=1}}
• Installation: Indoor, side-vent (non-condensing)^{4:contentReference[oaicite:2]{index=2}}
• Venting: Category III stainless steel; PVC is not approved for venting this model.^{3:contentReference[oaicite:3]{index=3}}
• Ignition: Direct electronic ignition
• Water Connections: 3/4"
• Gas Connection: 3/4"
• Dimensions: Approx. 23.6" H × 13.8" W × 9.4" D^{4:contentReference[oaicite:4]{index=4}}
• Weight: ~54 lb^{2:contentReference[oaicite:5]{index=5}}
• UPC (GTIN): 817000013257^{5:contentReference[oaicite:6]{index=6}}
• Certifications: ANSI Z21.10.3/CSA 4.3, CSA, UPC, NSF, Low NOx (SCAQMD)^{16:contentReference[oaicite:7]{index=7}}
• Residential Warranty: 12-year heat exchanger, 5-year parts, 1-year labor (when installed and registered per Noritz requirements).^{16:contentReference[oaicite:8]{index=8}}

Why Buy From United Plumbing & Fire Supply?

• Competitive pricing on Noritz tankless water heaters
• Fast, reliable shipping on high-value equipment
• Local pickup and job-site delivery options (where available)
• Support from a supplier experienced with tankless and hydronic products

Always confirm gas line sizing, vent routing, clearances, and local code requirements with a licensed installer before purchasing or installing this unit.