Noritz NR98SV 199,900 BTU Gas Indoor Tankless Water Heater - HCNAC1022-NG

Noritz NR98SV 199,900 BTU Gas Indoor Tankless Water Heater - HCNAC1022-NG

This ENERGY STAR‐rated high‐efficiency condensing model demonstrates its commitment to the green movement by expanding its newest tankless water heater product line.

Noritz NR98 SV condensing tankless water heaters are energy efficient. Offering a maximum input of 199,900 BTU per hour, this tankless water heater is designed to fully meet the domestic hot water needs of the Northeast.

Features

• Standard Input: Gas consumption ranges from 16,000 BTUh to 199,900 BTUh

• Capacity Range: Flow rates from 0.5 gpm up to 9.8 gpm

• Compact Design: ANSI Z21.10.3/CSA 4.3 certified design that can be wall‐mounted indoors (‐SV and ‐DVC models only) or installed outdoors with an ‐OD model

• Heat Exchanger: Manufactured with commercial grade copper, 25% thicker piping than standard models

• Venting Options: Available in Power Vent (‐SV), Outdoor (‐OD), or Concentric Direct Vent (‐DVC) model that requires either 4" Category III or 5"/3" Noritz concentric stainless steel pipe

• Quick‐Connect: two identical units can be linked together by using the optional Quick Connect Cord (#QC‐2) for twice the hot water capacity

• Energy Factor: 0.82 (NG) 0.88 (LP) for all NR981 Series models

• Thermal Efficiency: 84% efficient for use with natural gas or propane

• Temperature Controls: Includes remote thermostat that can precisely adjust the output temperature from 100°F to 140°F with the capability to display temperatures in both °C and °F

• Power Cord Installation Kit: 6' power cord is included with ‐SV and ‐DVC models (assembly required for SV models)

• Safety Devices: Flame Sensor, Overheat Prevention Device, Lightning Protection Device, Freeze Protection

• Additional Features: Temperature Lockout, High Elevation Adjustment, Service Reminder Function

Specifications

What Our Experts Think

The Noritz NR98SV 199,900 BTU Gas Indoor Tankless Water Heater (HCNAC1022-NG) delivers powerful performance and energy efficiency. Here's why it's a top choice:

• High Capacity: 199,900 BTU output provides continuous hot water, ideal for larger households or light commercial use.
• Energy Efficient: Tankless design reduces energy consumption, helping lower utility bills and environmental impact.
• Compact and Space-Saving: Sleek, wall-mounted design frees up valuable floor space.
• Durable Construction: Built with premium materials for long-lasting reliability and minimal maintenance.
• User-Friendly Operation: Features advanced controls for precise temperature management and convenience.
• Versatile Installation: Suitable for a range of indoor applications with natural gas as its fuel source.

Q&A

Q: What is the Noritz NR98SV Tankless Water Heater?
A: The Noritz NR98SV is a 199,900 BTU natural gas indoor tankless water heater designed for residential and commercial applications, delivering endless hot water with high capacity.

Q: What is the maximum flow rate?
A: The NR98SV provides a maximum flow rate of up to 9.8 GPM, suitable for large households or high-demand water heating needs.

Q: Is it energy-efficient?
A: Yes, it features an energy factor (EF) rating of 0.83, providing improved efficiency compared to traditional tank water heaters.

Q: What type of venting does it use?
A: The NR98SV uses a single vent system with stainless steel venting for safe and efficient exhaust.

Q: What safety features are built-in?
A: It includes freeze protection, overheat protection, and flame detection for reliable and safe operation.

Q: Is professional installation recommended?
A: Yes, professional installation is necessary to ensure proper venting, safety compliance, and optimal performance.

Maintenance Tips

• Descale Annually: Flush the heat exchanger with a descaling solution to prevent limescale and mineral buildup.
• Clean Inlet Water Filter: Inspect and clean the cold-water inlet filter every 6–12 months to maintain water flow.
• Ventilation Check: Ensure the indoor venting system is free of blockages and debris for efficient airflow.
• Inspect Gas Connections: Regularly check gas lines for leaks or loose fittings for safety.
• Monitor Error Codes: Respond promptly to error codes by referring to the troubleshooting guide.
• Exterior Cleaning: Wipe down the outer casing with a soft cloth to prevent dust and dirt accumulation.
• Annual Professional Maintenance: Schedule a professional technician for a yearly inspection to optimize performance and ensure safety.