Noritz
Noritz EZ111DV 199,900 BTU 11.1 GPM High-Efficiency Tankless Water Heater
Noritz EZ111DV 199,900 BTU 11.1 GPM High-Efficiency Tankless Water Heater
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Noritz EZ111DV 199,900 BTU 11.1 GPM High-Efficiency Tankless Water Heater
The Noritz EZ111DV Pro (GQ-C3261WX-FF-1 US) is a high-capacity condensing tankless water heater delivering 199,900 BTU/h maximum input and up to 11.1 GPM. Designed for demanding residential hot water applications, the EZ Series combines high output with a replacement-friendly design engineered to simplify conversions from conventional storage-tank water heaters.
Updated for 2026, the EZ111DV features 0.98 UEF, dual stainless steel heat exchangers, top-mounted water connections, a built-in operation panel, EZ Start Plus Bluetooth® app support, and included natural-gas-to-propane field conversion.
Top Specifications
| Specification | Performance |
|---|---|
| Maximum Input | 199,900 BTU/h |
| Maximum Flow | 11.1 GPM |
| Minimum Input | 12,800 BTU/h |
| UEF | 0.98 |
| Heat Exchangers | Dual Stainless Steel |
| Water Connections | Top Mounted |
| Built-In Operation Panel | Yes |
| NG to LP Conversion | Included |
Key Features
- 199,900 BTU/h maximum input
- Up to 11.1 GPM
- 0.98 UEF
- Dual stainless steel heat exchangers
- ENERGY STAR® rated
- Built-in operation panel
- EZ Start Plus Bluetooth® app support
- Top-mounted water connections
- Natural gas with included LP field conversion
- Indoor or outdoor installation capability
- Steady BTU Mode
- Flexible venting
- Compact wall-mounted design
- Designed for residential tank replacement
Noritz describes the EZ Series as specifically engineered for North American residential tank-replacement applications, with an emphasis on reducing installation time and cost.
Designed for Tank-to-Tankless Replacement
The EZ111DV's top-mounted water connections help simplify replacement of conventional storage-tank water heaters by positioning the water connections closer to existing tank-style plumbing.
Combined with flexible venting options and its compact wall-mounted design, the EZ111DV provides a high-capacity solution for homeowners and contractors converting from tank to tankless.
EZ111DV vs. EZ98DV
Both models share the major features of the updated EZ Series Pro. The EZ111DV provides the higher maximum heating and flow capacity.
| Feature | EZ111DV | EZ98DV |
|---|---|---|
| Maximum Input | 199,900 BTU/h | 180,000 BTU/h |
| Maximum Flow | 11.1 GPM | 9.8 GPM |
| UEF | 0.98 | 0.98 |
| Minimum Input | 12,800 BTU/h | 12,800 BTU/h |
| Dual Stainless Heat Exchangers | Yes | Yes |
| Top-Mount Connections | Yes | Yes |
| Bluetooth App Support | Yes | Yes |
| NG to LP Conversion | Included | Included |
Choose the EZ111DV for maximum EZ Series capacity at 199,900 BTU / 11.1 GPM.
Choose the EZ98DV when 180,000 BTU / 9.8 GPM provides sufficient capacity.
Technical Specifications
| Specification | Details |
|---|---|
| Manufacturer | Noritz |
| Series / Model | EZ Series Pro / EZ111DV |
| Model Number | GQ-C3261WX-FF-1 US |
| Fuel Type | Natural Gas / LP Convertible |
| Maximum Input | 199,900 BTU/h |
| Minimum Input | 12,800 BTU/h |
| Maximum Flow | 11.1 GPM |
| UEF | 0.98 |
| Heat Exchangers | Dual Stainless Steel |
| Water Connections | Top Mounted |
| Installation | Indoor / Outdoor |
| Power Supply | 120 VAC / 60 Hz |
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