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Tankless gas water heater heat exchanger

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bob eck
bob eck Member Posts: 930
in THE MAIN WALL
Tankless gas water heater heaters heat exchangers stainless steel vs copper. What heat exchanger is better at transferring heat SS or copper. I know there are different grades of SS and copper. What brand do you use and why?

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  • HDE
    HDE Member Posts: 225
    I have no allegience

    Applications and budgets differ, there is a place for all kinds.

    Copper is actually better for heat exchange, but the SS guys add more material and passageways to make up the transfer difference. However SS is better than copper for corrosion inhibitance, and better suited than copper is for velocity erosion reduction.
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