Noritz EZ98DV 180,000 BTU Tankless Water Heater - HCNAC1005-NG
The Noritz EZ Series is the industry leader in tankless. Featuring top mounted connections to accommodate any installation scenario and manufactured with the highest quality materials, the EZ Series line is built to keep your home with hot water for years to come. Our industry-leading 25 year warranty is also just another reason why the EZ Series is the preferred choice for homeowners.
The heat exchanger of your Noritz EZ Series comes with an unmatched 25 year warranty, covering the most vital component of your tankless.
Features
-
Standard Input 18,000-180,000 BTUh / 0.5 - 9.8gpm (EZ98)
-
Uniform Energy Factor (UEF) - 0.95 (NG) / 0.95 (LP)
-
Compact Design - ANSI Z21.10.3/CSA 4.3 certified design that can be wall-mounted indoors or installed outdoors using the optional Vent Cap
-
Wi fi Capable
-
Heat Exchanger - manufactured with high qua lity stainless steel
-
Venting Options - available in Direct Vent m odel that c a n use either 2”
-
or 3” Schedule 40 PVC/CPVC , flexible PP vent, or installed outdoors with Vent Cap.
-
Direct Electronic Ignition
-
Compatible with 1/2” gas pipe - see installation manual
-
Multi-System Capability - units can be linked together by using the optional 2-unit Quick Connect for twice the hot water capacity
-
Fully Modulating - BTU input range from 18,000 to 360,000/399,800 BTUh (with Quick Connect) with stable combustion provided by gas venturi and pre-mix burner. Each individual unit 10/11:1 Turndown Ratio
-
Temperature Controls - includes remote thermostat that can
-
precisely adjust the output temperature from 100°F to 140°F
-
Safety Devices - Flame Sensor, Overheat Prevention Device,
-
5 Year Limited Parts Warranty & 1 Year Reasonable Labor
-
Approvals - CSA, UPC , NSF, Low NOx Approved By SCAQMD (Rule 1146.2)
Specifications
| Model |
Choose between EZ98 (18,000-199,900 BTUh/0.5-11.1gpm) or EZ111 (18,000-180,000 BTUh/0.5-9.8gpm) |
| Uniform Energy Factor (UEF) |
0.95 (Natural Gas / Propane) |
| Design |
Compact, ANSI Z21.10.3/CSA 4.3 certified for indoor wall mount or outdoor installation (optional Vent Cap) |
| Heat Exchanger |
High-quality stainless steel |
| Venting Options |
Direct Vent (2" or 3" Schedule 40 PVC/CPVC, flexible PP vent) or outdoor installation with Vent Cap |
| Smart Features |
Wi-Fi Capable |
| Ignition |
Direct Electronic Ignition |
| Gas Line Compatibility |
1/2" gas pipe (refer to installation manual) |
| Multi-System Capability |
Optional 2-unit Quick Connect for increased hot water capacity |
| Modulation Range |
18,000 to 360,000/399,800 BTUh (with Quick Connect) |
| Turndown Ratio |
10/11:1 (individual unit) |
| Temperature Controls |
Remote thermostat (100°F to 140°F) |
| Safety Features |
Flame Sensor, Overheat Prevention, Lightning Protection, Freeze Protection, Condensate Overfill |
| Warranty |
25 Year Limited Heat Exchanger (Residential Use) |
What Our Experts Think
-
High-Capacity Heating: Delivers 180,000 BTUs to provide an endless supply of hot water for larger homes or demanding applications.
-
Energy-Saving Performance: Tankless technology minimizes energy consumption by heating water on demand, lowering utility costs.
-
Direct Venting Flexibility: Features dual stainless-steel venting options for versatile and efficient installation.
-
Space-Efficient Design: Compact, wall-mounted unit frees up floor space while providing powerful performance.
-
Premium Build Quality: Durable construction ensures reliability and long-lasting service with minimal maintenance.
Q&A
Q: What is the Noritz EZ98DV Tankless Water Heater?
A: The Noritz EZ98DV is a 180,000 BTU natural gas tankless water heater designed for residential and light commercial applications, delivering endless hot water with high efficiency.
Q: What makes the EZ98DV unique?
A: It features top-mounted water and gas connections for easy installation and flexible venting options, reducing retrofit time and cost.
Q: What is the maximum flow rate?
A: The EZ98DV provides a flow rate of up to 9.8 GPM, ideal for meeting the demands of multiple simultaneous hot water uses.
Q: Is the EZ98DV energy-efficient?
A: Yes, it boasts a 0.96 UEF efficiency rating, ensuring significant energy savings and reduced operating costs.
Q: What safety features does it offer?
A: The EZ98DV includes built-in freeze protection, overheat protection, and scale detection for safe and reliable operation.
Q: Is professional installation required?
A: Yes, professional installation is recommended for optimal performance, safety, and warranty protection.
Maintenance Tips
-
Annual Descaling: Flush the heat exchanger with a descaling solution to remove limescale buildup.
-
Clean Inlet Filter: Inspect and clean the cold-water inlet filter every 6–12 months to ensure proper water flow.
-
Ventilation Check: Keep intake and exhaust vents free from obstructions for efficient airflow.
-
Inspect Gas Lines: Regularly check for leaks or loose connections to ensure safe operation.
-
Error Code Monitoring: Respond promptly to any error codes by consulting the manual for troubleshooting.
-
Exterior Cleaning: Wipe down the unit’s exterior to prevent dust and debris accumulation.
-
Professional Service: Schedule an annual inspection with a certified technician for optimal performance and safety.
