Found 24th Dec 2010
Can anyone help ?? I want to buy an electric shower (not a power shower with a pump ) and I wondered when it comes to installation do I need to wire it in to the electric box that has all the fuses in ??? And what else do I need to do ? Is it complicated ? Is there anyone out there that is a plumber or an electrician that can help me ??

14 Comments

If you don't have wiring already, then it would need to go to the electric box as it needs to be on its own fuse.

Run 10mm cable rather than 6mm too - this'll give you the ability to have a high powered shower (9kw+) on it. Depending on the shower's rating, you'll need with a 32A fuse (8kw) or 40A fuse (9kw).

And, of course, make sure you have a ceiling pull-switch for isolation.

FWIW, I'm not an electrican or plumber, just a geek who had to fight british gas for compensation following a bodged electric shower repair, so had to learn all this!

Some guidance here, its easy if you know how, but dangerous if you don't do it correctly.

razord

If you don't have wiring already, then it would need to go to the … If you don't have wiring already, then it would need to go to the electric box as it needs to be on its own fuse.Run 10mm cable rather than 6mm too - this'll give you the ability to have a high powered shower (9kw+) on it. Depending on the shower's rating, you'll need with a 32A fuse (8kw) or 40A fuse (9kw).And, of course, make sure you have a ceiling pull-switch for isolation.FWIW, I'm not an electrican or plumber, just a geek who had to fight british gas for compensation following a bodged electric shower repair, so had to learn all this!



Some great advice right there OP.

Original Poster

Fantastic ! Thankyou razord, that is so kind of you ! And you too melipona. Was really helpful. I am having a row with my HA at the moment as they came to re-new the mixer tap last month. they installed a new one but it had flow restrictors on it. Which means that the shower that I had before that worked well enough has now been reduced to a dribble. Apparently the shower was never supposed to be used as a shower, just for washing hair and not for placing on a riser bracket.

Drives me mad, because now I have to install an electric shower as I am told this is the only way I am going to get any pressure. I am not a happy teddy. it is not even my house !!

One thing about electric showers is that the lower wattage ones are not so great when the mains water is cold, often just a dribble. Have you considered just replacing the mixer tap? If it worked well enough before maybe you just need another one. I often use plumbworld and you can ask them questions if need be.

Edited by: "melipona" 24th Dec 2010

Original Poster

You are right Melipona. It sounds more complicated than I thought to fit an electric shower. Lots of drilling and water and electrics scare the poop out of me.

I will have a look at the site you recommended ! Many thanks !

emmaelise

You are right Melipona. It sounds more complicated than I thought to fit … You are right Melipona. It sounds more complicated than I thought to fit an electric shower. Lots of drilling and water and electrics scare the poop out of me.I will have a look at the site you recommended ! Many thanks !



This was more than likely caused by not enough head, (no comments please!) the water storage tank needs to be a metre above the shower head I believe...

Original Poster

You are right ! nothing worse than not enough head !!!!! Am finding that.........Sigh !

easier just to replace the tap again, you can get a good mixer shower tap off fleabay for £15, they are the ones that sit on legs, so if they ever need replacing again in the future it can be done in 5 minutes.

Cant beat unqualified advice from a shopping forum.

A few pointers for you
1) You will need the electrical work certificated by a 17th edition qualified electrician
2) If new cabling is installed then a RCD will need to be added to the fuse board unless the board is 17th edition complyant (ie the board isn't newer than 2 years old)
3) Following on from the above you may need to increase your earth mains bonding to 10mm from 6mm or less
4) You need to contact your local authority to inform them that a new electrical outlet has been fitted (This is also a legal requirement even if you move a socket on the wall - which most people don't do or know about)
5) If you don't do the above where required your household insurance will be invalid if an incident occurred at your house & they randomly checked this.

Other than the above piece of cake

Andy

Banned

transit

Cant beat unqualified advice from a shopping forum.


lol - agreed

This really isnt a job for a diyer imho and could potentially have fatal consequences

electric showers are pretty crap in my experience so would opt for the highest kw rating you can afford.

Banned

burge74

A few pointers for you1) You will need the electrical work certificated … A few pointers for you1) You will need the electrical work certificated by a 17th edition qualified electrician2) If new cabling is installed then a RCD will need to be added to the fuse board unless the board is 17th edition complyant (ie the board isn't newer than 2 years old)3) Following on from the above you may need to increase your earth mains bonding to 10mm from 6mm or less4) You need to contact your local authority to inform them that a new electrical outlet has been fitted (This is also a legal requirement even if you move a socket on the wall - which most people don't do or know about)5) If you don't do the above where required your household insurance will be invalid if an incident occurred at your house & they randomly checked this.Other than the above piece of cakeAndy


Great advice which hopefully will make the OP think twice about doing it themself

Original Poster

Yes ! I have thought twice and I will be getting a professional in. After what you have all said I think that this is the best idea. I have in the mean time knackered my mixer tap trying to be clever and remove the flow restrictors. When I put the valve diverter back on the water p***ed everywhere ! By the look of it I have to buy a whole new mixer tap as I cant just get the bit that screws in the top that connects to the shower hose........ I really dont know why I bother......
Many many thanks for the heads up guys !!
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