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Recommended Hot Water Temperature

Discussion in 'Plumbing and Central Heating' started by newboy99, 11 Feb 2012.

  1. newboy99

    newboy99

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    Hi Guys
    We live in a hard water area and when we moved in we were advised to have the hot water cylinder thermostat set to 55 degrees.
    But it's an indirect system so I'm thinking that it should (in theory) never fur up inside.
    Would you agree and if so, is 60 degrees a sensible temperature to select.
    Many thanks
     
  2. spraggo

    spraggo

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    60 will be OK with the cyl stat fitted one third up from the bottom of the cylinder
     
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  4. TicklyT

    TicklyT

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    the cylinder `stat is there to sense the amount of stored hot water more than the actual temperature at the top of the cylinder. There is always a temperature gradient from top to bottom, so the temperature at the draw-off will be higher than the `stat setting.

    Set the `stat to whatever gives enough hot water in the cylinder for your needs. The actual water temperature may approach the heating water temperature set on the boiler.

    Set the cylinder stat too high, and it will never be satisfied, and never shut off the boiler.
     
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  5. Charnwood

    Charnwood

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    Immersion heater stats are normally factory-set at 60°C.
     
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