Hi everyone,
So I have moved into a new flat and have some questions regarding my heater.
So I am on 2 rates for electricity (on peak and off peak). I understand that the two cylinders on my Gledhill immersion heater represent On Peak and Off Peak respectively.
However, my understanding was that the Off peak switch is the one attached to the bottom cylinder. But when I set the programme to come on for two hours over night. The Off peak switch seems to cost *more* to use.
Now, I’m not sure what to make of it. Everything I find online says that it is usually the bottom cylinder for Off Peak, but where it states usually, does this mean that sometimes it isn’t? I’ve only used the bottom cylinder once (and that was last night)
The only other thing I can think of is that I had the programme set to run from 04:30am to 06:30am and so the last half an hour was running on peak (due to the clocks going back) but this doesn’t seem likely.
For context, I’ve run the same programme for each switch exactly once both for 04:30 to 06:30.
My smart meter stated that I used 77p for the top cylinder
And 96p for the bottom cylinder
And I thought the bottom cylinder was supposed to be cheaper.
Is there anyway of telling what switch pertains to which without wasting my electricity to try and find out?
Thanks in advance!
3 comments
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You only really need to use the immersion heater if you want a deep bath.
You mention two cylinders, do you mean one large cylinder with a lower (off-peak) and upper (boost) immersion heaters?? If that’s the case then the switch for the lower should be on permanently and the upper set to off. The upper should be wired to peak rate electricity and is obviously more expensive to run but only heats the top third or so of the tank. Some people can get away with just using the upper part if they’ve got an electric shower for example.