Without an extra tank, will a booster pump help?

[crappy]

I've pretty dismal flow at home. I live in a rural setting and have almost adequate water flow and pressure. Feed from the street / meter is via 25mm over about 250-300m along the drive.

Will adding a pump as it enters the house help? Throughout the house it's either 22mm or 15mm copper.

 

[muggles]

You can legally only directly pump the mains at a maximum flow rate of 12 litres per minute. If you want better performance than that, you need a tank

 

[JohnD]

How much flow do you get, and where are you measuring it? How big is the tap? How big is your stopcock? Have you got a leak?

 

[crappy]

You can legally only directly pump the mains at a maximum flow rate of 12 litres per minute. If you want better performance than that, you need a tank

Interesting, thanks. I'll measure it in kitchen (where mains come in) and again in bathroom / outside tap (furthest from kitchen) and see.

How much flow do you get, and where are you measuring it? How big is the tap? How big is your stopcock? Have you got a leak?

Not properly measured yet but if two taps are turned on the furthest one looses everything.
The outside tap barely push the sprinkler.

I'm planning on redoing the boiler soon so will take any suggestions into account for that.

 

[JohnD]

Interesting, thanks. I'll measure it in kitchen (where mains come in) and again in bathroom / outside tap (furthest from kitchen) and see.

Start by filling a bucket, timing it to full, and calculating litres per minute.

The bathtap is (should be) the biggest tap, with the biggest pipe, and get the biggest flow, unless it has been deliberately throttled back to suit a combi boiler.

If you have a 25mm supply, you should have a 25mm stopcock. Have you?

 

[crappy]

If you have a 25mm supply, you should have a 25mm stopcock. Have you?

Yes. Direct from "blue pipe" but reduces to copper 22.

 

[JohnD]

Copper 22 is equivalent to plastic 25 (due to wall thickness) so that's OK.

Sometimes restrictive isolating valves are fitted near taps, and throttle the flow. Look out for them.

 

[crappy]

Ah yes. Peppered with those. I saw specific non-restricting ones at screwfix. I'll look along the two circuits (bathroom and outside taps) to see if they part culprit.

 

[JohnD]

I very much favour the Pegler full-bore valves. Rather expensive, but ten times good as the cheap ones (which also leak at whim). Notice that they look fat in the middle, to accomodate the large orifice.

The T handle ones are quite neat, but lever handles if you have room and your fingers are not strong.

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