electric shower

Water heating is a heat transfer process that uses an energy source to heat water above its initial temperature. Typical domestic uses of hot water include cooking, cleaning, bathing, and space heating. In industry, hot water and water heated to steam have many uses.
Domestically, water is traditionally heated in vessels known as water heaters, kettles, cauldrons, pots, or coppers. These metal vessels that heat a batch of water do not produce a continual supply of heated water at a preset temperature. Rarely, hot water occurs naturally, usually from natural hot springs. The temperature varies with the consumption rate, becoming cooler as flow increases.
Appliances that provide a continual supply of hot water are called water heaters, hot water heaters, hot water tanks, boilers, heat exchangers, geysers (Southern Africa only), or calorifiers. These names depend on region, and whether they heat potable or non-potable water, are in domestic or industrial use, and their energy source. In domestic installations, potable water heated for uses other than space heating is also called domestic hot water (DHW).
Fossil fuels (natural gas, liquefied petroleum gas, oil), or solid fuels are commonly used for heating water. These may be consumed directly or may produce electricity that, in turn, heats water. Electricity to heat water may also come from any other electrical source, such as nuclear power or renewable energy. Alternative energy such as solar energy, heat pumps, hot water heat recycling, and geothermal heating can also heat water, often in combination with backup systems powered by fossil fuels or electricity.
Densely populated urban areas of some countries provide district heating of hot water. This is especially the case in Scandinavia, Finland and Poland. District heating systems supply energy for water heating and space heating from combined heat and power (CHP) plants, waste heat from industries, incinerators, geothermal heating, and central solar heating. Actual heating of tap water is performed in heat exchangers at the consumers' premises. Generally the consumer has no in-building backup system, due to the expected high availability of district heating systems.
Today in the United States, domestic hot water used in homes is most commonly heated with natural gas, electric resistance, or a heat pump. Electric heat pump water heaters are significantly more efficient than electric resistance water heaters, but also more expensive to purchase. Some energy utilities offer their customers funding to help offset the higher first cost of energy efficient water heaters.

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  1. F

    Electric Shower With Equipotential Bonding

    Hello, I am in the process of replacing an electric shower for a customer. I’ve come across some equipotential bonding within the shower and was just wondering why this is there? Can it be removed or does it have to stay? Thanks
  2. E

    Aqualisa Quartz 9.5 - Intermittent constant running water.

    Hello all, So been having somewhat of a time with my Aqualisa Quartz 9.5 electric shower. A few.month ago I put up with a few problems it was having and in the end I replaced everything, new engine and new front cover . This was working great for a month or so, but now noticed an intermittent...
  3. E

    URGENT Aqualisa Quartz 9.5kw Electric Shower - Only getting cold water?

    Hello All, New to the forum so apologies if do any faux pas. But I have an Aqalisa Electric Quartz Shower 9.5kw (8 years old) and currently it is only giving out cold water regardless of where the temperature control is placed, the only difference is the more you move to the dial to the cold...
  4. Zach054

    Balanced Cold. Electric Shower.

    Good Afternoon. Just wondering if it would be fine to connect an electric shower to the balanced cold supply from an unvented cylinder. Replacing an old Bath mixer tap with the shower hose built into it. Regards
  5. D

    Electric Shower to Mains

    I currently have an 8.5kw electric shower on a gravity fed system in bathroom which doesn't give great flow when hot turned up but to get a 10mm cable to fuse board would be really difficult at best (I've checked and on 6mm at the minute) I would like a mains shower however changing to unvented...
  6. B

    electric shower vs. mains from dual cylinder submersion heater

    Hello, and thank you for reading. My partner and I have just purchased our first property that came with a dual cylinder electric water heater, and an electric shower in the bathroom. As it happens, the shower needs replacement, and we were thinking of removing the electric shower (Mira Sport)...
  7. Crossfingers

    Electric shower takes while to cool

    I have a strange problem with my Mira Sport electric shower. When I first turn it on its hot, even at the coldest setting. I have to let it run for a while, hear a thunk from the pipes under the floorboards and the cooler water comes with a bit more pressure. Seems toe it's not full pressure at...
  8. Evapourized

    I want to swap my electric shower to a power shower!

    I want to swap my electric shower to a power shower. I have a 200 litre pressurised hot water tank in the loft (not a combi boiler) the hot side has a pump and decent flow, but the cold side/hot side has not got an equal pressure as the cold is just mains fed and would say the flow is below...
  9. S

    Shower leaking at the hose where it meets the shower unit

    I've attempted to replace the shower hose from our Aqualisa Lumi electric shower unit. The new hose is badly leaking water out from the connection point and when I reattach the old hose it is now leaking too! Both have been tried with new washers and are as hand tight as they can go (wasn't a...
  10. J

    Water pressure - electric shower or water pump?

    Hi All, I hope you are doing well. My question is about the dilemma of installing an electric shower or a water pump instead? The hot water pressure in upstairs bathroom is a bit weak. I could get an electric shower installed but I also consider a water pump. What would you suggest? A pump...
  11. N

    Advice for low pressure to electric shower

    Hi, i'm looking for some advice on improving the performance of my electric shower as it frequently fluctuates in temperature and flow. The 8.5kw shower was installed in April so is fairly new, the property however is a terraced house with 1.6 bar water pressure at the stopcock, any kind of...
  12. J

    Electric shower feed

    Hi all. A few little question When installing a new elctric shower, can the cable and cold feed come through the same hole? (Uk) Can we use push fits to conect it to the shower feed? Is hep pipe work OK to run right to the shower feed down the wall? Many thanks in advance...
  13. C

    Power shower to electric shower

    Hi, I've just changed from a system boiler to a combi, and was told by the engineer that the current shower I have (Mira Event XS thermostatic) isn't compatible. Is it possible to have this one removed and an electric one installed?
  14. I

    Qualification needed to replace an electric shower in a customers home

    As a plumber what qualification is needed to install a replacement electrical shower in a customers house?
  15. K

    Variable water pressure causing electric shower problem

    I have a B&B that has had lots of plumbing issues in the past e.g. hot water to a toilet! I am fed up of spending money so hoping someone can help as several plumbers so far have been hopeless. The latest problem is that I had an electric shower replaced because it was cycling between scalding...
  16. Alan Wright

    Cost of Installing an Electric Shower

    Hi Guys, In 2016 I tried to promote the fitting of ShowerPowerBooster as an alternative to electric showers with very limited success. I put this down to the relative low cost of electricity in 2016. In 2022 the cost of electricity and gas is now 28p per KWH for electricity and 7p per KWH for...
  17. M

    Decent 9.5kw electric shower?

    Hi guys, I don’t really fit many electric showers so I’m looking for some recommendations for a replacement for a Triton Cara please? Cheers
  18. 2

    Electric shower and mixer shower together

    I am revamping my ensuite sometime this year and going to be getting the materials in now. What I want to know is, is there anything I can get to use a thermostat shower and electric shower together so it doesn't look to busy on one wall with 2 showers. I already have an electric shower on...
  19. N

    Digital or electric shower

    I need advice on whether I should get a digital or electric shower. The water pressure in my flat is very poor for the shower (gravity fed water system, heated via HIU, on a district heating system), I’m on the 3rd floor (top floor) so it’s to be expected. I know an electric shower would boost...
  20. J

    Advice on Install a new Electric Shower (currently unvented cylinder)

    Advice on Install a new Electric Shower for shower cubicle and keep using the unvented cylinder water heater for bathtub I have an Unvented Cylinder Water heater 125 litre (MegaFlo) in an apartment of ( 15 years old) Currently it is not really capable of delivering enough hot water for more...
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