Water Heater Gas Tankless
Noritz EZ Series
Noritz EZ Series condensing gas tankless water heater designed to replace a storage tank. Each unit bundles a complete 2-inch flex vent conversion kit, isolation valve kit, and startup guide for a straightforward tank-to-tankless swap.
Fuel
Natural Gas (LP convertible)
Power Source
GAS
Condensing
Yes
Vent Type
Direct Vent
Vent Pipe Diameter
2"
Installation
INDOOR / OUTDOOR
Model Comparison
3 models
| Specification | 120,000 BTU | 180,000 BTU | 199,000 BTU |
|---|---|---|---|
| Model | EZTR40-NG | EZTR50-NG | EZTR75-NG |
| Min BTU Input | 15,000 BTU | 18,000 BTU | 18,000 BTU |
| UEF | 0.87 | 0.96 | 0.96 |
| Max Flow Rate | 6.6 GPM | 9.8 GPM | 11.1 GPM |
| Height | 22" | 24" | 26" |
| Width | 14" | 14" | 14" |
| Depth | 9.5" | 9.5" | 9.5" |
| Weight | 42 lbs | 50 lbs | 56 lbs |
| ENERGY STAR® | No | Yes | Yes |
| Warranty — Heat Exchanger | 12 yr | 25 yr | 12 yr |
Shared Specifications
All models| Fuel | Natural Gas (LP convertible) |
| Power Source | GAS |
| Condensing | Yes |
| Vent Type | Direct Vent |
| Vent Pipe Diameter | 2" |
| Installation | INDOOR / OUTDOOR |
| Application | RESIDENTIAL |
| Warranty — Parts | 5 yr |
| Type | Water Heater |