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Hey All, I dont think any of the above replies answer my question really. Would using the booster on numerous occasions on a day to day basis use more electricity than if it were working correctly and heat the water itself automatically? No gas heating, everything is electrical. Have only...

I have a query regarding the power consumption of the immersion heater which is fitted in my flat. The label states that it is a Tristor TSC 150 unit which was installed on 08/07/08, it is also fitted with a Horstmann Electrisaver E30 push button boost timer. We have had to use the boost...