I must day I never had this problem when I did not have the pump and I used to live in it. I would run the bath and take all the hot water off but the emmersion never tripped and you would think it would as it is the same thing. No water in the hot water tank. Nothing has changed except having the pump put in so that people can have a shower!

The smaller pump may make a difference.

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Well I was hoping it would have but the tenants are saying that it is still tripping!! or rather that it had tripped the same day I had the new pump put in, the tenants came back to me and said that they could not see or feel rather the difference, however I have not heard from them since -thankfully -, but I could see the difference myself. I had already put in a shower head that only let out 10 litres a minute but when I turned the taps on which served the sinks it was a lot better, before it just gushed out the pressure was very, very strong and that is not so now with the new pump!

I am grateful to you all for all you replies guys

See how it goes and let us know.

A second ballvalve may help the tank fill quicker

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Well the last plumber that came said that the tap that turns the cold water off may restrict the flow of the water as he said he didnt think it "opened enough" is that where the ball valve is or is that the ball valve that he is talking about!! They dont show in the photograph.

However as I said it did not happen until I had the pump put in and I have had couples in before but they had to have a bath as the pressure was too low for a shower!

There is another solution, but it all depends on your budget, and is ideal for a small flat or apartment. this could start a whole new thread though - beware It could solve all your problems.

Get rid of your cold water tank, cylinder and pump and install a 'Vented direct or indirect hot water cylinder'. A free quote wouldn't hurt.

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Thats a good idea although I shall have to look that up in Google!! but the fact remains the tank is small and so is the cylinder and they cant be made bigger so there will have to be another option!

Also the other thing is is that the tank was also changed so may be it is in the set up of the tank as someone has suggested. Still I need a solution. I though may be a power shower would be a better idea!!

Don't see this as an option if you have low pressure/flow.

You would need to get it tested properly first

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That is why I made the suggestion - Although like Scuff says it will be dependent on your mains pressure/flowrate.



If you had a vented mains cylinder it would be a power shower on your existing set up without the pump.

Here is an example of a 'vented mains pressure hot water cylinder'

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I dont think there would be anywhere to put it! It looks very complicated. The mains pressure is quite low however it is the not water pressure which is low which is why I put the pump in because people were unable to have a shower without a little bit more pressure coming from the hot water tank. I did look at the system you suggested on the internet but it looks as if the tank needs to by up high!

Wish I hadnt done it now as it has caused too many problems.

Are you saying the mains pressure is good.

And unvented cylinder or store would replace the existing cylinder, and you would have mains pressure hot and cold throughout.

But you need to get the mains pressure and flow rate tested by you plumber.

You could test the flow by timing how long it takes to fill a bucket, then work it out in Ltrs/min.

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I think we are starting to confuse you. It may look complicated to you but it is very simple really. Just imaging having your cold water tank, cylinder and pump taken away and this new cylinder installed as a replacement. Nothing more.

But to consider this option your mains pressure and flowrate would need to be check along with some other things. To be fair, you will not know what your pressure is or your flowrate, unless you are able to test it.

As Scruff says - you could start filling a bucket from your kitchen cold tap and timing it for one minute. Then measure how many litres you have collected in that minute and it will give you your flowrate. But that would be checked by a competent plumber anyway. The answer would give you an idea of how powerful your shower would be.

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OK I will try all these things when the tenants go as some thing needs to be done about the pressure if people are going to have a shower. They dont seem to have the same problem next door but they have gas so obviously their pressure for mains cold water must be OK.

Thank you for all your help and suggestions I am very grateful.

I suppose the thing is is that both the cold and hot water tanks are too small and tenant at the moment must use the system sensibly and not have too many things on the go at one time!! only suggestion I can think of at the moment!