Noritz EZTR40 NG Condensing Tankless Gas Water Heater


Weight: 85.00 lbs

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The EZTR40 offers the same water/gas connections and the same capacity as a 40 gallon tank water heater to make it easier and more affordable to go tankless.

Noritz has revolutionized the tankless heating industry with the EZTR40. The new EZTR can directly vent through existing B-Vents. Water connections are located on top of the heater so you can use flex lines similar to tank water heaters. 1/2 inch gas line connections to existing lines save money and time.

Noritz EZTR40 Condensing Tankless Gas Water HeaterFeatures

• Replaces a 40 gallon tank
• Top mounted connections for easy installation.
• Uses existing B-vents and 1/2 inch gas lines
• All the accessories you need to install the EZTR are included in the package.


Installation Location Indoor Only
Max Flow Rate 6.6 GPM
Flow Rate @ 50°F Rise 4.4 GPM
Flow Rate @ 80°F Rise 2.8 GPM
Temperature Range 115°F - 140°F
Minimum Activation Flow Rate 0.5
Min Gas Input (Btu) 15000
Max Gas Input (Btu) 120000
Height (in) 27.2
Width (in) 18.3
Depth (in) 9.4
Weight (lbs) 50
Thermal Efficiency 93%
Energy Factor 0.91

Quick Install Summary

Quick Install Summary

Installation Manual
Owner's Manual

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Jul 11, 2016
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