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50 Gallon Indirect Hot Water Tank Manufacture Recommendations?

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PilotPat24
PilotPat24 Member Posts: 104
edited June 2023 in Domestic Hot Water
Hello,

Does anyone have a preference or recommendation for a 50 Gallon Indirect Hot Water Tank?

Thanks,

Pat

Comments

  • tim smith
    tim smith Member Posts: 2,774
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    Lochinvar SIT050 stainless tank or Viessmann stainless
    IMHO
  • mattmia2
    mattmia2 Member Posts: 9,941
    edited June 2023
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    If you go with stainless make sure the chlorides in your water are less than the manufacturer spec.
  • PilotPat24
    PilotPat24 Member Posts: 104
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    mattmia2 said:

    If you go with stainless make sure the chlorides in your water are less than the manufacturer spec.

    Thanks for the feedback guys. How do you go about getting your water tested for chloride levels? For what it's worth, below is the whole house water filter I have on the house.

    https://supplyhouse.com/3M-Aqua-Pure-5621102-Aqua-Pure-AP903-900-Series-High-Flow-SQC-Whole-House-Filtration-System?utm_source=google_ad&utm_medium=shopping_neutral&utm_campaign=Shopping_Neutral_MPLTV&gclid=Cj0KCQjw7aqkBhDPARIsAKGa0oIzutT7rqgccEc91sLaftvvi7OYTLF6ouSPhxIVOXmi0yQWpbKVPaAaAusFEALw_wcB

    Pat

  • Larry Weingarten
    Larry Weingarten Member Posts: 3,384
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    Hi, If you are on a municipal system, they will have a water quality report for you. Probably online. :)

    Yours, Larry
    mattmia2
  • PilotPat24
    PilotPat24 Member Posts: 104
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    Hi, If you are on a municipal system, they will have a water quality report for you. Probably online. :)

    Yours, Larry

    Thanks! I actually called my water supplier and they are going to come by next week to test the water. I will update you with the results.

    Pat
  • hot_rod
    hot_rod Member Posts: 22,468
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    I prefer glass lined tanks. They can handle most any water condition. Keeping the anode in tact is the key to long life in glass lined tanks, either fired or indirect.
    Bob "hot rod" Rohr
    trainer for Caleffi NA
    Living the hydronic dream
    Larry Weingarten
  • mattmia2
    mattmia2 Member Posts: 9,941
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    or use a powered anode
    kcopp
  • kcopp
    kcopp Member Posts: 4,448
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    I like the Bradford white tanks. 3 anodes and a great warranty.
    MikeL_2Robert O'Brien
  • hot_rod
    hot_rod Member Posts: 22,468
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    The welds are often blamed for stainless tank failure when in fact the chlorides attack the welds more so than the stainless itself. Dave Davis of HTP explained that issue many years ago when I visited HTP factory. Back early in the SuperStor days :)
    His dad had a welding division of HTP, used to be in the other side of the HTP building, so he knew welding metallurgy fairly well. The metal properties change at the welds, so different shield gases, wire composition, pickling after the weld, etc. have been tried.

    George at HeatFlo knows stainless fabrication well, if you get a chance to chat with him.

    That is one reason you see all the different alloys of stainless being used over the years 304, 316, 409, 316AL and Ti stabilized, etc. Trying to find a stainless the handles all the water treatment chemicals, welds easily, handles thermal expansion...

    And the water treatment chemicals have changed over the years. Chloramines in place of chlorine for example. Peroxide, Iodine, etc.

    One brand out of Canada used to use a different stainless for the coil and tank.
    Bob "hot rod" Rohr
    trainer for Caleffi NA
    Living the hydronic dream
    HVACNUT