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Solar I boost thermostat

We have ecodan heat pump with solar I boost diverting excess energy to heat the water. However, it is heating the water too hot..and I understand there is an independent thermostat on the immersion heater..but no idea where it is and how to adjust...

Comments

  • Reed_Richards
    Reed_Richards Posts: 5,946
    Part of the Furniture 1,000 Posts Photogenic Name Dropper
    Forumite
    edited 24 July 2022 at 3:36PM
    • Cut the power to your immersion heater.
    • Take off the cover (typically round held on by a single nut).  It will be on the side of your cylinder with wires going to it.
    • Turn the little dial to a lower temperature.
    • Replace the cover.
    • Restore the power.
    Reed
  • Reed_Richards
    Reed_Richards Posts: 5,946
    Part of the Furniture 1,000 Posts Photogenic Name Dropper
    Forumite
    Alternatively, get a plumber to fit a blending valve to the output from your cylinder so it doesn't matter how hot it gets.  That's what I have.
    Reed
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