Geo thermal for DHW

Discussion in 'Solar and Geothermal Water Heating Forum' started by Joe C, Feb 4, 2021.

  1. Joe C

    Joe C New Member

    Joined:
    Feb 4, 2021
    Location:
    St. Louis
    What I'm trying to find out is if there is a 50 gallon storage tank without electric hooked up and a 50 gallon with electric A. How many gallons at 120 degrees will that actually produce B. If they wanted more hot water whats the best option add another 50 gallon and should that be equalized. Or up size to a 80 gallon. This is in St. Louis
     
    Joe C, Feb 4, 2021
    #1
  2. Jeff H Young

    Jeff H Young In the Trades

    Joined:
    Feb 27, 2020
    Location:
    92346
    you will produce the same amount of hot water as befor. but youll store more
     
    Jeff H Young, Feb 4, 2021
    #2
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  4. Terry

    Terry Administrator Staff Member

    Joined:
    Aug 17, 2004
    Occupation:
    Plumber
    Location:
    Bothell, Washington
    If you need 120 degrees, you can pick up a tempering valve and add that to the installation. A 50 gallon tank at 160 with a tempering valve mixing it down to 120 is like having a 75 gallon tank.

    https://terrylove.com/forums/index....c-mixing-valves-water-heater-tempering.45651/

    Or you can use a 75 gallon tank. If you have the space and the means to drain condensation, a heat pump water heater. They are often giving out rebates on those from the utility companies. You might check for that.

    [​IMG]
     
    Terry, Feb 4, 2021
    #3
    Jeff H Young likes this.
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