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Hot water regulating valve

JK_3
JK_3 Member Posts: 240
I dont know if any one makes something for this application and was waiting to see if someone else might be aware of something. If no one knows of any thing then mabye you could use a honeywell aquastat relay. Aprobe type with the well drilled into your tank if there is no tapping and instead af having it turn on a circ at the min tepm it could operate a motorized valve. This is just a suggestion but if you need help chosing the right relay for the job ' let me know and I'll get out my honeywell book.

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Comments

  • Kevin Bouwman
    Kevin Bouwman Member Posts: 24
    Discharge valve for on demand heater?

    I am trying to build a commercial hot water system where there is already an electric boiler (gas is not an option at this location) with plenty of excess capacity available for heating. I need to take the potable supply up to a constant temperature of 170-175 degrees. I cannot have any flow at a lower temperature. This stream will refill an insulated open tank with a pump that will pressurize it for later use by various cleaning processes.

    My plan is to connect a flat plate heat exchanger in parallel with the 180 degree primary loop of the boiler. The potable side of the exchanger will be supplied by various types of heat recovery systems so the supply water temp will vary from 45 to 140. A circulator driven bypass loop will get the discharge point up to temperature when a float in the storage tank drops. Some type of thermostatic valve will open when the loop is hot enough discharging water as fast as possible without it dropping below 170 degrees.

    What can be used for this thermostatic valve?

    Thanks in advance!

    Kevin
  • Empire_2
    Empire_2 Member Posts: 2,343
    Controls

    I believe that you would want tighter control on your application so I would look into Johnson controls or Goldline controls which we currently use for Spa applications.

    Mike T.
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