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  1. T

    Hard water + chloramine with tankless water heater

    As I just learned, they aren't all pro-rated. The one that I'm replacing was bought at Home Depot and that one is pro-rated. I've still got a year left on the warranty, so I should be able to get a bit of money back once I bring it in. The new one that my plumber will install is made by State...
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    Hard water + chloramine with tankless water heater

    Thanks for the great info. Despite my strong desire to go with the more efficient tankless unit, I can't justify it with the water quality in my town. With the rebates, the install cost for the tankless is about $1500 higher than standard storage, so it would take 10 years or more to make that...
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    Hard water + chloramine with tankless water heater

    Thanks for the info. I wonder if I misheard the plumber and the issue is actually with chlorides, not chloramine. Looking at the manuals for both a Navien NPE unit and a Rinnai RUC unit which was recommended to me, the maximum allowable chloride concentration is 250 mg/L (same as ppm). The...
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    Hard water + chloramine with tankless water heater

    The heater is powered by gas and it would be placed right next to where it comes in from the street, so I think it will be fine.
  5. T

    Hard water + chloramine with tankless water heater

    Contacting the manufacturers is a great idea. I'll see if I can get a question in by the end of the day, although since I'm currently without hot water and I've got a plumber waiting for an answer, my guess is that I won't get an answer in time.
  6. T

    Hard water + chloramine with tankless water heater

    Thanks. I had seem most of these before, but it's nice to see them well laid out in one place. Generally, I think the pros of tankless outweigh the cons, although it depends on the actual install cost. However, in my specific situation, I have this issue of chloramine in the water and I'm...
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    Hard water + chloramine with tankless water heater

    I need a new water heater and I'm considering a tankless (on-demand) due to the long term cost/energy savings and space savings. A local plumber has recommended against it due to the water in town. I think he said the water has chloramine which causes problems with the tankless system. It's also...
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