Wall Unit Troubleshoot

iQ Series

When space is at a premium, you can count on our wall-hung iQ251 units for superior performance and reliability. Ideal for highly variable applications using potable hot water, these innovative on-demand, water heaters provide 96% thermal efficiency and are constructed for maximum durability – even in the most demanding commercial applications

Technical Documents

iQ251 Key Features:

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Ideal for hotels, schools, hospitals, restaurants, laundromats and other commercial applications.


Eliminates the need to oversize an installation with redundant equipment.

Better ROI

Lower capital and operating costs compared to boilers and tank-style water heaters.


Commercial-grade, expandable 316L stainless steel heat exchanger with proven durability.

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