replace existing 2006 hot water tank?

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Hello Community,

I am currently updating the equipment in a high-end residential mechanical room for a luxury residence and am evaluating whether it's wise to also replace a still-functional 120G hot water tank from 2006. The unit in question is a "Warnock Hersey Water Comfort" indirectly fired hot water tank, model J 120 DW/XL, manufactured by Advance Metalpres Inc. It is part of a hydronic heating system, so it is an indirect water heater tank. The water tank is heated by a Weil-McLain boiler.

Given the technological advances over the past years, I'm considering whether newer models might offer significantly better performance and energy efficiency that would justify a proactive upgrade. Do the latest models provide substantial improvements in terms of insulation and overall energy consumption? Maybe it's better to replace this old unit before problems begin? What do you think?

I'm particularly interested in hearing from experts who have navigated similar upgrades or anyone with insights into the longevity and performance enhancements of newer hot water tank models. Some have recommended Viessmann, Buderus, and Triangle Tube.

If a replacement is recommended, I would also appreciate suggestions on the highest quality brand currently on the market. Many thanks, you all rock.


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