mains accumulator

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I want to fit a cold water accumulator as we have several bathrooms in use at once and poor supply. GAH seemto be uncontactable. Can anyoneone advise where I could get help please? Im on Wilts Glos border
 
I want to fit a cold water accumulator as we have several bathrooms in use at once and poor supply. GAH seemto be uncontactable. Can anyoneone advise where I could get help please? Im on Wilts Glos border

Reliance make them. They are easy to fit. A check valve on the cold mains pipe into the house. A tee off the cold pipe after the check valve.

These make them as well:
http://ethosboilers.com/products_vessels.php

To size it. If it is 200 litre, it gives 100 litres storage.

Best have 22mm pipe to and from the unit and to most of the run to the taps, to get the volume.

Any plumber can one they are easy to do. GAH are not cheap at all.
 
And what is the standing pressure of the water mains.

Anything much less than 2bar and you are going to be very disappointed, having wasted all that money.
 
And what is the standing pressure of the water mains.

Anything much less than 2bar and you are going to be very disappointed, having wasted all that money.

The makers and plumbers will advise on that. 1.5 bar is OK.
 
The pressure doesn't seem too bad, there just isn't enough water. We are the last house on the main with a good 100 metres of 3/4 inch pipe going uphill from the road.I measured the flow roughly at about 12 litres a minute. There is a fair pressure from any tap but if you run a second one its rubbish. I have a Grant external combi so realise that I will never get perfection on the hot side. My main concern is the cold taps but any improvement to the hot would be good. Would an accumulator improve the performance from the combi as well?
 
A large break tank and a pump set, sitting in an outhouse would give you a very good water system.
 
A large break tank and a pump set, sitting in an outhouse would give you a very good water system.

How about a concrete reservoir on a 100 foot hight concrete stand?

The best way is using an accumulator.
 
The best way is using an accumulator. An accumulator stores cold water as well and will work when there is a mains outage. Do you know how they work? From what you wrote it appears you do not know.
 
It is clear you do not understand them. I doubt you have ever seen one. They are the ideal solution to get brilliant flow rates on a poor mains system. Simple and effective. A high flow combi and an accumulator are a great cost effective solution in many situations. This appears to be one.
 
Accumulators are reliant on a good mains pressure or they don't work.
 

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