Noritz EZ71DV 160,000 BTU 9.0 GPM High-Efficiency Tankless Water Heater

Noritz EZ71DV 160,000 BTU 9.0 GPM High-Efficiency Tankless Water Heater

The Noritz EZ71DV Pro (GQ-C2661WX-FF-1 US) is a high-efficiency condensing tankless water heater delivering 160,000 BTU/h maximum input and up to 9.0 GPM. Engineered for the North American residential market, the EZ Series is designed to simplify tank-to-tankless replacements while providing efficient, high-capacity hot water performance.

Updated for 2026, the EZ71DV 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

Noritz rates the EZ71DV from 12,800 to 160,000 BTU/h with a flow range of 0.4 to 9.0 GPM.

Key Features

• 160,000 BTU/h maximum input
• Up to 9.0 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
• Steady BTU Mode
• Flexible venting
• Compact wall-mounted design
• Designed for residential tank replacement

Designed for Tank-to-Tankless Replacement

The EZ71DV's top-mounted water connections help simplify replacement of conventional storage-tank water heaters by making it easier to connect existing hot and cold water piping.

The EZ Series was specifically engineered to help reduce installation time and cost when replacing larger storage-tank water heaters.

EZ71DV vs. EZ98DV

Both models share the major features of the updated EZ Series Pro. The primary difference is heating and flow capacity.

Choose the EZ71DV for 160,000 BTU / 9.0 GPM performance in residential applications.

Choose the EZ98DV when the application requires greater 180,000 BTU / 9.8 GPM capacity.

Technical Specifications