We have low water pressure at the mains. The council tested and it was 31 psi. 30 is acceptable. The shower is ok but I can't fill the washing machine cold only and have another cold tap running at the same time . The pipes from the water Toby are not old or corroded. Does anyone have any ideas? Thanks.
Not sure if there's any easy solution - increasing diameter of pipe from the mains to the house might work, but it's probably not a cheap and easy. Are you sure that the water intake solenoid on the washing machine is okay? They do get bunged up/slow. The old F&P machine we've got, the solenoid is on it's way out - slow (and noisy) when filling and gradually getting worse.
No the machine is fine ,only reasonably new. The washing machine was just an example,can't water the garden and have the cold tap running inside both get very slow. Might just have to put up with it. 😡
Header tank and inline flow pump might work....a header tank might work just on its own depending on size etc....we had a similar issue with hot water but switched to an OnDemand gas system...never looked back (but a bit different to your situation)
That seems really low, I'm surprised it's deemed acceptable. Unless it's due to a fault somewhere (ie. a leak or blockage) then bigger pipes or a header tank + pump may be your only recourse.
In short just install a pump. But the kind that you normally use if you are on tank water. Is the property in the Auckland council area? As the supply standard is 200kpa (30 psi) and 20L per min at the meter. Did you get that flow? As if the flow is too low you will need a tank as well as a pump.
Also with correctly sized pipework and low pressure tap ware you can still get good flow rates.
I had to install a pump in a hair salon once as they had 4 hair wash basins yet couldn't use them all at the same time.
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