Mains pressure shower booster pumps

Hi

I consider myself a relativly competent DIYer, and have a clean basic looking shower, but the pressure is irritatimgly low. I'd loath to buy one of those wall mounted power showers (anyway my wife would never allow it) so i went to B&Q to buy a pump to put in line under the bath... Once I got home i discovered it was not for use with mains pressure water...

I have two questions really, what is likely to be the consequences of using this 2 bar pump... and if they are likely to be dire, is there such a thing as a pump that can handle mains pressure?

any guidance or advice is welcome

Thanks

Charlie

Reply to
Charlie
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You can't put a pump on amains supply. You have to take it off a tank or cylinder. Ever through of having the mains uprated from street? A lot cheaper than an expensive pump and all problems solved

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Reply to
Doctor Evil

How do you mean "uprated" is it a simple thing to do? or do they have to dig everything up? i dont understand..

Reply to
Charlie

Dug up and new pipe installed.

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Reply to
Doctor Evil

Dug up and new pipe installed.

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Reply to
Doctor Evil

Unless your door opens right onto the street its going to cost more than a pump!

Reply to
basil

Not necessarily a full destruction of the drive. When my Dad's supply was replaced. the water company dug 2 holes (one in the pavement around the stopcock) and used a "mole" for the bit in between to make a hole through which they shoved the pipe.

OK, still some destruction, but not as much effort to repair as a full trench.

Tim

Reply to
Tim S

How much did it cost? and how far can the "mole" bore between holes?

Cheers Basil

Reply to
basil

Sorry - don't know. Done by the water company some years ago for my Dad.

In this case, about 6-7 metres. I have no idea what the upper limit is.

Cheers

Tim

Reply to
Tim S

You can't use a pump on the mains.

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Reply to
Doctor Evil

Some will replace lead for free.

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Reply to
Doctor Evil

The cheapest new supply will be more expensive than the most expensive pump.

Not that it helps, as it is illegal to pump mains water.

Christian.

Reply to
Christian McArdle

Ok, so in sumary it is illegal to pump from the mains... But then i have to ask, should I still be using a pressure washer?? still the point is moot...

I dont think the water supply being replaced is really an option, sounds a bit of a nightmare... anyway the house is only 5 years old... so what could possibly need replacing...

I think i will get a single sided pump and just boost the hot....

although i am intrigued, is pumping the mains just illegal, of does it have physical consequences too?

Thanks to all

Reply to
Charlie

Pressure washers do (or should) cut out when the input pressure drops too far (mine certainly does)

Yes. All water mains leak somewhere by small amounts. This is not a problem as they are always under positive pressure and clean water is always flowing out through the leaks. If someone puts a pump on the incoming main, there is the disnct possibility of getting negative pressure (ie below that in the pipe's surroundings) in the pipe. At this point contaminants will be drawn in through the leaks, contaminating your (and other people's) drinking water.

It is illegal, very antisocial and possibly dangerous.

Reply to
Bob Mannix

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