Water pulsating

Mar 14, 2005
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Hi I'm have trouble with the water on my new Ace, the kitchern tap is ok but the shower and bathroom tap pulsates on cold but stops if I add hot water. any ideas, it has a internal pump not one on the pipe to the aqua roll.
 
Feb 7, 2008
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Moth,

I have a similar same problem with my Avondale Dart which has an on-board Shurflo pump but the other way round ie bathroom ok, kitchen pulsates on cold. When I say pulsates I mean it shuts off briefly every 10 seconds or so. It doesn't really bother me and I was going to get it looked at next service.A friend of mine with a Sterling has a similir issue and I suspect this may be the norm unless you mean yours pulsates more than this.If so it could be caused by a partially blocked in-line filter and I would check these out if it really bothers you.

I also suspect it may do this on cold because it has to draw the water up a larger head from you aqua-roll than your on-board hot tank which is at the same level.

If yours pulsates more than this it may be rapid cycling and the pump can be adjusted to aleviate this. If you have a shurflo pump this is explained in the operation manual although if its not really botrhering you it might be best to leave alone.

Good luck! Let me know if you find a cure.

John
 
Nov 12, 2007
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We have the same problem in our new Sterling Searcher. We had expected it to be fitted with the Shureflo pump and accumulator, but instead (presumably to save money) it has been fitted with a Flojet pump and no accumulator. Swift say the Flojet does not need an accumulator, the Flojet literature says it "reduces the need for an accumulator". We do not agree.

It does need the accumulator.

When running at less than full flow the cold pulses very badly and there is a loud banging in the pipework, all this is mainly at the bathroom basin tap. It is fine on hot as the HW tank acts as an accumulator.

Added to this, our shower is pathetic, we had more "scoosh" in our 1998 Emerald shower.

Swift are talking about some adjustment to the pump.

Meantime our van is with our dealer, and will be staying there until these problems are resolved to our satisfaction.

I suggest you contact Swift Group and complain, if enough people do then we might get a resolution to this
 
Mar 14, 2005
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Thank you to all for your help, I'm going to see the dealer this week , so I will see what they are going to do, it has been like it from new, and the shower is rubbish too.I will let you know how i get on
 
Jan 16, 2007
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Moth

I have same problem with my new Ace. we have to put the water tap on full to combat the water pump pulsating. Let me know what your outcome is.

Regards

Ian
 
Jan 16, 2007
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Just to let you know I rung Flojet, the guy asked if this was a swift caravan. I told him it was and he told me that truma had designed the system so they have been told by Swift to pass people on to Truma. The man at Flojet gave me trumas warranty number. After a couple of re diverts to the servic department I explained my predicament and the service guy told me there is an adjustment screw on side of pump which can be adjusted to give increased or reduced pressure. His suggestion was to make small adjustments and keep trying. I told him that is all well and good but will this reduce pressure to my shower which is quite poor anyway. He told me it probably would , but would not comment on how to correct the problem without having to adjust the pump. I will try it when I go on my next holiday.

Regards

Ian
 
Nov 12, 2007
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They are indeed aware of this problem, we have brought to their attention several times, but as I said, we are still awaiting a resolution.

The involvement of Truma is puzzling me. We have the Alde heating/hot water.
 
Nov 12, 2007
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And with regard to the shower, if adjusting the pump reduces the water to the shower then this is a non-starter!

The shower is already very poor.
 
Jan 16, 2007
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I agree about the pour pressure on the shower. We only use the shower area as storage space, because the shower is a waste of time, especially for 4 people. So a slight loss in pressure would not affect me too much.

Regards

Ian
 
Mar 14, 2005
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Our shower has no pressure, and there is 4 of us and we do a lot of cl's without wc/shower's, so this is not good for us, I'm off to the dealer on friday ,on my way to holiday, will let you know how I get on ,on return. I have spoken to Swift about another issue, but get n responce ,and told to deal with dealer only. :(
 
Apr 22, 2006
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I have a new swift and dont have this problem and have acceptable pressure in the shower.

The reason that I mention this is that on the reply from the truma guy I believe he said try it either way.

I see you have all assumed a reduction in pressure is required but giving that you are suffering from low water pressure might it not be an increase that you need.
 
Nov 12, 2007
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I am not so sure that we are suffering from low pressure.

As far as the shower goes there is a combination of low flow (the Flojet pump delivers only 5.2 litres per minute), a very long cold water pipe which has to deliver the cold to all the taps plus the water heater, and an unsuitable shower head....the holes in it are too big to produce good jets. All this results in what I call lack of "scoosh".

So increasing the pressure setting on the pump would not deliver more water as the pump is already running flat out.

With regard to the pulsing, when I turn on a cold tap, let's say the bathroom basin tap to clean my teeth,or the kitchen sink tap to wash vegetables, I do not want a lot of water at once, so I just turn it on a little.

The pump starts, the pressure immediately builds up, so the pump stops, pressure drops so it starts again, stops again.....and so on. This start/stop is about once a second and, in our case, when using the bathroom tap, accompanied by a loud knocking noise in the pipework. In the bathroom tap the water comes out in "pulses", this does not happen with the kitchen tap.

So, increasing the pressure at which the pump cuts in and out would not necessarily solve this, but I am certainly willing to try it.
 
Nov 13, 2007
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I just wanted to let everyone know that we have put together a process sheet for customers to use to help identify problems with the shower or improve its performancr.

I wanted to put the process sheet on the forums today butm the file was too big.

I am trying to get it reduced next week to see if we can do it. If nothing apperars early next week you can email us and ask for the process sheet to be sent to you.

our email address is enquiries@swiftleisure.co.uk

Best Wishes

kath
 
Mar 14, 2005
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Sorry for the delay, but i've just got back from France, we went to the dealer on the way any he took a look at it and said he had fixed it, when we got to france , I set up and its now even worse.

where do we go from here kath!
 
Jan 16, 2007
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Kath

Just a note you said you were going to post a solution however we have still had no response. Please could you reply.

Regards

ian
 

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