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entwisi 06-01-2006 06:20

Shower question
 
We had a Mira electric shower fitted a bit ago but due to circumstances have only just started using it. Basically as soon as the heater elements kick in the flow drops dramatically. I'd be very grateful if anyone with an electric shower could measure how much water theirs puts out at max flow rate at a decent hot temperature. Mira are coming out to look at it but I would like some ammo in case the engineer tries to fob me off.

just for info, these are the figures for mine

on max flow setting

COLD i.e. no heat 12+litres/minute( this proves that there is plenty of water pressure at the shower)
WARM (Anything from number 2 upwards) 3 litres/min

Cheers!

lettie 06-01-2006 06:56

Re: Shower question
 
2-3 litres is not a lot. I have an Aquastream power shower which damn near blows me out of the bath both on hot and cold. Water pressure was a problem initially but I had my water tank moved and a second one installed on the top of it, it's fine now. I don't know exactly how much water per minute comes out of mine, but it's a good flow rate..:D

entwisi 06-01-2006 07:02

Re: Shower question
 
This isn't a power shower but yes, 2-3 isn't a lot, its like someone sprinkling your back out of a handheld watering can. Hence teh call to get them to fix it. I would just like to be able to turn round and say in a sample of 20 houses with eleccy showers the average flow is 7 litres/min. Make mine do that.

Romps 06-01-2006 09:13

Re: Shower question
 
Posted as wrong person again

Neil 06-01-2006 09:15

Re: Shower question
 
Posted as me this time.

I think it is an 8kw or 9kw shower, it is quite a few years old and was in the house when we moved in.
At setting 9, which is pretty damn hot it took 45.72 seconds to fill a 3 litre jug. so 1 litre took 45.72 / 3 = 15.24 secs.

Therefore 60 / 15.24 = 3.93 litres/minute

garinda 06-01-2006 11:38

Re: Shower question
 
Quote:

Originally Posted by Neil
Posted as me this time.

I think it is an 8kw or 9kw shower, it is quite a few years old and was in the house when we moved in.
At setting 9, which is pretty damn hot it took 45.72 seconds to fill a 3 litre jug. so 1 litre took 45.72 / 3 = 15.24 secs.

Therefore 60 / 15.24 = 3.93 litres/minute


Did you take your clothes off to measure it?

SPUGGIE J 06-01-2006 12:56

Re: Shower question
 
Quote:

Originally Posted by Romps
Posted as wrong person again

We are a forgiving lot not to worry.
:)

entwisi 06-01-2006 13:28

Re: Shower question
 
The question is Rindy will you?

Thanks to Neil for actually helping, come on you lot!

garinda 06-01-2006 13:31

Re: Shower question
 
Quote:

Originally Posted by entwisi
The question is Rindy will you?

Thanks to Neil for actually helping, come on you lot!


Just back, dripping wet.

Mine measuered a bit more than Neils.:)

K.S.H 06-01-2006 14:36

Re: Shower question
 
We haven't got the best water pressure so when I bought ours I bought the highest wattage available which was a Heatre sadia 9kw (might be available higher now)
On the coldest setting I measured approx 8¾ litres/min and set to a hot but usable temp it measured approx 6¼ litres/min
Hope this helps

Neil 06-01-2006 15:13

Re: Shower question
 
Quote:

Originally Posted by entwisi
The question is Rindy will you?

Shhhh don't say that Ian. The last thing we want is Rindy getting undressed in the Stag to measure it.

Madhatter 06-01-2006 19:53

Re: Shower question
 
Is there a power level aswell as a flow rate on it, if the power level makes no difference then its the second element not working. also did you make sure you flushed the pipework out before you fitted the shower?
If its faulty the engineer wont fob you off, he'll just repair it, the problem is if you've done the damage or there is no fault, which i understand is why your here asking us and that means your not 100% certain its faulty. If your water pressure is ok, and you cant get a decent flow of water at a warm temperature I'd say its faulty, you can see from above, most get too hot and still have a good flow. The only ones that struggle are the 7KW ones. You can get 13kw and higher now. Mines 8.5kw. Showers work by heating the water in a mini hot water cylinder, to do that they have to slow the water down, the hotter you put it the slower it will get, most have two power levels, the first kicks in when the shower is switched on, the second when you turn it on, the first will only be luke warm in this weather even on hot

Madhatter 06-01-2006 20:01

Re: Shower question
 
just under 4 litres on an old 8.5kw triton

WillowTheWhisp 06-01-2006 20:21

Re: Shower question
 
We had a shower once where the water pressure dropped as the temperature went up and it was due to the fact that the water pressure dropping was the method for increasing the temperature. More water going through and same amount of heat heating it meant it didn't get as hot as not so much water did. If you see what I mean. It was a crummy shower. It was also a Mira.

Madhatter 06-01-2006 20:24

Re: Shower question
 
Thats how electric showers heat the water mr wisp, if its crumby its cos its low powered

Mik Dickinson 07-01-2006 18:56

Re: Shower question
 
Could the problem be due to Lime scale in your pipes.Not allowing enough water to flow through ??????? Suffer a lot from that over here.De limescale the pipes and shower head about every 3 months and its brill

park381 07-01-2006 19:11

Re: Shower question
 
Depends on the MCW temperature coming in to the appliance, manufacturers quote a hot flow rate, or temperature rise at certain MCW temperatures, the weather we have been experiencing with temperatures of -4*C etc will mean a reduction in temperature at the appliance outlet, combi-boiler, or electric shower. The nominal temperature rise quoted is normally about 35*C

K.S.H 07-01-2006 19:31

Re: Shower question
 
Quote:

Originally Posted by Mik Dickinson
Could the problem be due to Lime scale in your pipes.Not allowing enough water to flow through ??????? Suffer a lot from that over here.De limescale the pipes and shower head about every 3 months and its brill

I dont think thats he's problem as he is getting 12L/min on cold setting so the water is flowing OK

entwisi 08-01-2006 19:26

Re: Shower question
 
Thanks everyone for info up to now.

There is no problem with the supply as I mentioned on cold I get 12 litres/min. It is as soon as the heating element kicks in that the pressure drops dramatically. The flow it then constant whether its on number 2 or number 9. There are 3 flow settings on it and the difference is negligable on any setting.
Teh engineer is coming next week so we'll see what he says

WillowTheWhisp 08-01-2006 23:06

Re: Shower question
 
Quote:

Originally Posted by Madhatter
Thats how electric showers heat the water mr wisp, if its crumby its cos its low powered


Hee hee. It's Mrs Whisp (or Buswhisp!) The shower we've got now doesn't work that way, it keeps a constant pressure whatever the temperature.

The old one used to fluctuate so wildly that if you turned it down to "warmish" then the pressure was sometimes such that it flung the shower head back and water shot across the room above the curtain! We do have quite strong water pressure here which is great compared to where we used to live which was a trickle at times.

Madhatter 09-01-2006 19:28

Re: Shower question
 
are you sure its a normal electric shower? whispy, the only way to adjust temperature would be to adjust the heating element levels or to adjust the flow.
AS for the above it sounds like a faulty flow control valve, I'll check in a bit how it works, im on a break atm. i cant remember of the top of my head, but it sounds like a fault I had on one.

entwisi 09-01-2006 19:36

Re: Shower question
 
Bloke is coming on Friday :)

We'll see what he says

WillowTheWhisp 09-01-2006 19:49

Re: Shower question
 
There are two controls on our shower Madhatter, one controls the amount of water and the other controls the temperture. We can have oodles of pressure at any temperature or a trickle at any temperature, or anything in between.

I don't know if that's abnormal or not but we got it brand new in May last year.

Madhatter 09-01-2006 19:53

Re: Shower question
 
It's normal, it's just that its a good one whispy.

Neil 13-01-2006 10:20

Re: Shower question
 
It's Friday Ian. Is it fixed now?

entwisi 13-01-2006 10:20

Re: Shower question
 
What an Absolute joker!!!

Turned up,

I put the shower on explaining that it is only producing 3 litres/min

"Oh no, thats fine that is, thats at least 4 and a half litres" he says looking at the trickle coming out the shower head.

"Just how can you say that? " I asked. explaining I had measured it 4 times with a jug the other day.

"Nowt wrong with it. You lot all expect power showers" says he.

I go and get a jug (1litre to brim) and something to time with.

He starts filing the jug up and when its 3/4 full empties it and says "1 litre!"

I point out it was nowhere near a litre and he has a hissy fit. I then meaure a full minute flow filling the jug to the top. 3 litres takes 63 seconds.

He says "No, that was 4, you were spilling loads" despite the fact I wasn't.

At this point I just said "If you aren't going to do anything you may as well leave, I'll ring Mira back and get them to send someone who will"

He goes off proper style. starts grabbing the book and showing me this graph with temp/flow shouting look, 35 degrees gives 3 litres flow, only I did Maths at Uni and I know how to read a graph and at 35 degrees it clearly shows 4 litres.

At this point I asked him to leave. He asked me to sign his work sheet and I said yes, I started to write that I wasn't happy and the job was not complete to my satisfaction and he rips the paper out my hands and starts ranting again!

At this point I opened the door and he went out slamming it as he went!

Anyway, I've rung Mira back and said I want someone else as I was disgusted with him. and they said they will try and send the area manager.

Next update will be posted!

harwood red 13-01-2006 11:36

Re: Shower question
 
whoah you go for it Ian. All that straight after your op! I'm proud of you :D

MUMMIBOO 13-01-2006 12:10

Re: Shower question
 
It is so annoying when people try to assure you there are right when infact they clearly are not!! well said.

Romps 13-01-2006 12:24

Re: Shower question
 
wow he wasn't planning on meeting you then was he Ian?..........you remind me of someone.......think I married him!!!

Nice to have you back btw........hope your on the mend.

entwisi 13-01-2006 12:33

Re: Shower question
 
If there is one thing I hate it is people trying to take the pee. He had no intent on doing anything and was obviously paid by the job so quicker in/out the better for him. I don't think he expected someone who had made sure they had the facts to hand and weren't going to be led a merry dance.

Quote:

Originally Posted by Romps
you remind me of someone.......think I married him!!!

Oh no!!!! being compared to NEIL of all blokes :):):):):):):)

garinda 13-01-2006 12:35

Re: Shower question
 
I think I watched a video similar to the scene just posted, except that it was in German.;)

Well done for sending the plonker packing.:)

Neil 13-01-2006 14:02

Re: Shower question
 
Quote:

Originally Posted by Romps
wow he wasn't planning on meeting you then was he Ian?..........you remind me of someone.......think I married him!!!

Thats rich coming from you. Remember when I had a clutch replaced by a free collection and delivery firm that tried to charge you £3 for the petrol he had to put in the car because it was on the red light when the clutch went :D

Neil 13-01-2006 14:04

Re: Shower question
 
Quote:

Originally Posted by garinda
I think I watched a video similar to the scene just posted, except that it was in German.;)

I had to go and buy a new golden shower pipe the other evening, as Rhonda got in the shower it split.

Madhatter 13-01-2006 19:55

Re: Shower question
 
Bet shes really greatfull for you doing that.
Not impressed with mira at all, that sound terrible. where are mira based ?

WillowTheWhisp 13-01-2006 20:07

Re: Shower question
 
Whatever happened to after-sales service?

Well done Ian for sticking to your guns and not being fobbed off. I hate it when they try to talk to you as if you're an idiot and haven't a clue.

Madhatter 13-01-2006 20:15

Re: Shower question
 
after sales service lol that went years ago, they cant even give you during sales service nowdays. we're having a new bathroom and kitchen fitted, typical council cowboys, one of fhm kitchens sub contractors have scratched the triple hallogen light fitting but they deny they've done it. 35 quid it cost me, and now it's ruined, they say how could they have done it. The fact that they ripped the old kitchen out with a hammer and crow bar seem irelevant to them, they say I've done it, I took a piece of wood and stood there scratchin hell out of my own light fitting so I could claim a new one. A new one that wont match the three single spots, ye right, so I vote them cowboys of the week, closely followed by north warwickshire borough council, who do sod all, I don't know why they don't close the offices altogether and save us some cash


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