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Timer is a Horstmann (see pic). The economy 7 set-up is in an annexe building that will be sublet on a casual basis. I want to stop tenants having the unrestricted immersion on all the time. With the timer they'll only be able to boost it for up to 1 hour at a time. Pic of the meter also...

I bought an Economy 7 timer for my immersion heater. Currently there are 2 x switches on the wall. One labelled restricted supply (eco7) and the other labelled unrestricted supply. Both have a red and black wire going in at the top plus a brown and blue wire going in the bottom. Now, I...

Good to know. I'll look at getting a timer I think as it'll be more cost effective having a renter in there. Any idea what the plug and plug socket might be? I can only assume/presume its the plug for the immerision heater which is behind the wall. More investigation required!.

Hi, My Central heating in this new house seems to work fine. However, with the hot water only set to come on twice a day (and CH totally off) two of the rads also kick in at the same time. Both rads are on the same route from the boiler to the HW tank and both going to bathrooms, the ensuite...

Aha, ok now that makes perfect sense. Why didn't they just label it economy 7! Oh well. I've found my 2 x fuse boxes now and one clearly says restricted. Suddenly its all starting to make sense. Cheers

Great, will give it a go tomorrow.

The house we just bought has an annexe with a seperate power supply. Heat is provided via storage heaters and hot water by a big immersion heater. The immersion heater has 2 x switches for it. One that is labelled as 'restricted supply' and the other as 'unrestricted'. Ideally I'd...

So after getting my lovely new digital thermostat working I'm moving on to the CH timer. The one we have now works but is extremely noisy, the clockwork motor in the kitchen drives us mad! So from the pics, can I confirm what I'm proposing to wire where? Not the best at reading wiring...

Replacement CH timer

Brilliant, thanks. I'll give it a go tonight.