Does Economy 7 heat the water?
Economy 7 (E7) is when a number of storage heaters and a water cylinder in a property provide heat and hot water at Off Peak (night) and On Peak (day) rates. If more heat or hot water is required you should contact your supplier and ask to switch to Economy 9 (E9).
How does immersion heater work on Economy 7?
Using a timer/controller, the immersion heater uses Economy 7 or 10 ‘off-peak’ electricity to heat up a full cylinder of water during the night which is stored for use the following day and evening.
How is e7 wired?
A home using Economy 7 should have two wiring circuits. The main wiring circuit is the same as in any home, connecting to the plug sockets, lights etc. Anything using this circuit will turn on at any time, but if turned on at night you will be charged the cheaper rate.
Is it cheaper to leave an immersion heater on 24 7?
It’s better to leave the hot water heater on all the time, rather than turning it on and off. Your immersion heater or boiler will heat up hot water which is stored in a tank. As long as the tank has a good insulating jacket, it will keep the water hot all day, without needing to be constantly reheated.
When to use Economy 7 for heating and hot water?
As a rule of thumb Economy 7 will be cost-effective if you use electricity for your heating and hot water (not gas, which is a much cheaper heating fuel) and if you use more than 40% of your electricity at night.
Where is the second immersion heater in Economy 7?
The second immersion heater tends to be located in the top third of the cylinder, allowing the householder to boost the hot water, heating a small amount of hot water to meet the short-term demand in the most cost effective manner.
What’s the best way to charge Economy 7?
It also depends what kind of heating and hot water system you have. Electric storage heaters and a hot water tank are the best combination for Economy 7. That’s because you can charge them up during the night and use the heat and hot water in the daytime.
Why is my Economy 7 water heater not heating?
If there is, then there should be a fuse/circuit breaker for the E7 immersion heater. If there is, there’s a possibility that it has blown/tripped, respectively.