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Creda Electric Shower = Low Pressure


 
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cardiffdutch

from United Kingdom

Joined: 12 Feb 2007
Posts: 6
Location: United Kingdom

PostPosted: Mon Feb 12, 2007 1:08 pm Reply with quote

I replaced an old essential shower in my house for a Creda 550c 9.5kw shower. After I installed I wasn't happy with the force of the shower so I changed it for the 10.4kw version and it improved slightly but not much. Both of these new units are way less powerful than these new units. I don't get a low pressure warning either. When the flow is cold it is very powerful but as soon as you increase the temp it is pathetic.

Any ideas??
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securespark

from United Kingdom

Joined: 11 Jan 2004
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PostPosted: Mon Feb 12, 2007 4:07 pm Reply with quote

First of all, what is supplying the shower?

What size cable, switch, mcb, rcd, CU, and is there any bonding?
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cardiffdutch

from United Kingdom

Joined: 12 Feb 2007
Posts: 6
Location: United Kingdom

PostPosted: Mon Feb 12, 2007 4:24 pm Reply with quote

The cable is 10mm shower cable. I had to cut the old cable and connect another piece to it as the old cable wasn't long enough. I connected the cable by using a junction box (i think thats what its called). Im not sure what the other things are you are asking.

Thanks for the response.
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davy_owen_88

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PostPosted: Mon Feb 12, 2007 4:48 pm Reply with quote

cardiffdutch wrote:
The cable is 10mm shower cable. I had to cut the old cable and connect another piece to it as the old cable wasn't long enough. I connected the cable by using a junction box (i think thats what its called). Im not sure what the other things are you are asking.

Thanks for the response.


I hope it was a 60A junction box...
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cardiffdutch

from United Kingdom

Joined: 12 Feb 2007
Posts: 6
Location: United Kingdom

PostPosted: Mon Feb 12, 2007 4:55 pm Reply with quote

I think it was - Exceuse my ignorance but would that affect the showers performance. I presume there is a risk of blowing the shower and tripping the house if it isnt a 60amp junction box.
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bernardgreen

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PostPosted: Mon Feb 12, 2007 4:58 pm Reply with quote

cardiffdutch wrote:
I think it was - Exceuse my ignorance but would that affect the showers performance. I presume there is a risk of blowing the shower and tripping the house if it isnt a 60amp junction box.



Overheated junction boxes toast themselfs and turn into carbon which conducts electricity where it should not be going..
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cardiffdutch

from United Kingdom

Joined: 12 Feb 2007
Posts: 6
Location: United Kingdom

PostPosted: Mon Feb 12, 2007 5:03 pm Reply with quote

I will double check tonight - Have you got any ideas of what could be causing the poor performance. I am thinking of chnging it for a Mira shower as I have heard that give the best performance.
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securespark

from United Kingdom

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PostPosted: Mon Feb 12, 2007 8:18 pm Reply with quote

If your JB is round, you have installed an entirely inadequate one. AFAICT, you can't get round 60A JB's.

There should be no unneccesary joints in a cable like this.

What about the rest of the circuit?

Switch size, MCB size, RCD present, which CU have you got, bonding etc, etc..
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Steve

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PostPosted: Mon Feb 12, 2007 8:25 pm Reply with quote

securespark wrote:
Switch size, MCB size, RCD present, which CU have you got, bonding etc, etc..

To add, you NEED to know ALL of these particulars BEFORE you make any change to a shower circuit. Without knowing these, you could be making a totally dangerous situation by fitting a higher powered shower or making other modifications.

Also note that modifications to fixed wiring in a bathroom is notifiable to your local building control under part p of the building regulations. You are breaking the law by doing this work and not notifying.

Please get an electrician in to ascertain the safety of your shower circuit.
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ricicle

from United Kingdom

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Location: Gloucestershire,
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PostPosted: Mon Feb 12, 2007 8:55 pm Reply with quote

Crafty wrote:


Please get an electrician in to ascertain the safety of your shower circuit.


I agree - and do not use it again until you have!!
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