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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

Regular price $1,775.00 USD
Regular price Sale price $1,775.00 USD
Sale Call for Availability – 747-717-9008

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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