Eli5 Water pressure

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My house has amazing water pressure from the cold tap. It is connected to the mains supply. I live on the second floor. My hot water pressure is not so good. I understand this is because it is a gravity fed system from a tank to the tap so there is no applied pressure.
What I am confused about is where the pressure comes from for the cold?

ETA: I am in the U.K. my hot water system comprises of a tank which is filled via mains water. The tank heats the water over night via an electric heat source. I also have an emersion heater option to heat water up if I use all of the tank in a day. The water is then gravity fed to my taps hence the low water pressure. The tank was fitted in the late 90’s.

My question was: where does the cold pressure come from? not why is my hot water pressure crap.

I couldn’t fathom how without a pump the cold pressure was high despite it having to come UP pipes to my second floor flat and how that remains consistent.

Apologies if I was unclear. 🙂

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7 Answers

Anonymous 0 Comments

But the hot water is fed from the cold water line, right? So it should be about the same preassure in both? Atleast it is so in my house here in Sweden…

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