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What is the difference between cold and hot water pressure?

You may have noticed a difference in water pressure between your cold and hot tap. Your hot water pressure is often lower than the cold because the hot water tank is lower in the house and the pipe run could be longer.


Major differences are often found in gravity led systems. Many are split systems, with the cold water supplied directly from the mains whilst the hot water is heated via a boiler stored in a cylinder. In these systems, the performance of the hot water is affected by the distance the water has to drop to the shower or tap.


The size of the tank or the length of pipework from cylinder to tap may also affect the flow performance.


If you are experiencing poor cold water pressure in a gravity feed system, the problem could be with the mains water pressure. Take our water pressure test or contact your water authority to check if there are any works or leaks in your area