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Two switches permanently on for unvented direct hot water cylinder?

Discussion in 'Plumbing and Central Heating' started by metaphase, 18 Apr 2021.

  1. metaphase

    metaphase

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    Hi

    I live in a flat that has a Santon Premier Plus PP210E direct unvented cylinder.

    I am trying to improve my electricity use and noticed that there were two switches (I think fused spurs?) for the hot water tank - neither are on a timer and both are permanently on. Is this usual recommended practice? Water usage is low (solo occupant, morning shower, occasional dishwasher or washing machine cycle, etc.).

    Previous posts mentioned Economy 7 supplies but I only have a single rate meter and there are no timers anywhere.

    The other potential issue is the Atlantic Electric panel heaters where they seem to be forgetting the programming but I'll do a different post about that!

    Photos as below:
     
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  3. muggles

    muggles

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    You could turn the bottom immersion heater off and see whether just having the top one on gives you enough hot water. Won't make a massive difference as the cylinder is very well insulated but every little helps. Your heating will be a large part of your electricity usage I expect
     
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  4. ianmcd

    ianmcd

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    post a pic of the meter please
     
  5. metaphase

    metaphase

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    Sure - as I say it's nothing exciting, just a straight digital single tariff one:
     
  6. muggles

    muggles

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    Wow, that's quite a lash-up
     
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  7. metaphase

    metaphase

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    Yes I'm suspicious a couple of heaters have been stuck in daytime 'on' mode for a while now which has been contributing.

    LOL yeah the quality of building work was 'interesting' (had a few NHBC claims), hence why I was a bit unsure if they'd done the right thing when it came to no timers, etc. :)
     
  8. flameport

    flameport

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    It's usual for the bottom element to be on overnight on cheap rate, and the top one to only be used in the day if extra hot water is required. Dual rate meter and either 2 consumer units or a split type with day/off peak sections.

    In your installation it's a single rate meter and single consumer unit, probably done because it was cheaper to install that way.
     
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