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Discuss Low flow rate in outside and mains cold tap only. Mains pressure combi system in the Fittings & Pipes area at PlumbersForums.net

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Hi,

We have been in our house for just over two years, we have always had low pressure in our downstairs cold tap (mixer tap), hot is fine, and also in our outside tap, this branches off the main cold line before it hits the cold side of the tap. (please see images, cold is the right side pipe).

We have had united utilities out and they have said the pressure in the street is fine and also, the pressure in our downstairs bathroom taps, electric shower, dishwasher and washing machine all working fine.

They advised me that it is the flow and not the pressure, i have my suspicion that the lime in the old plaster has corroded the pipe so i started chasing this out but i feel i could go on forever with no result, also a suspicion is the fitting penetrating the pipe to channel water to the outside tap, does anyone have any similar issues and/or experiences with this? any help would be much appreciated. I have attached image that shows the pipe going into the lime plaster and also the fitting to the outside tap.

Thank you.

pipe 3.jpg pipe.jpg pipe2.jpg
 
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