On Mon, 24 May 2004 14:08:38 GMT, "BigWallop"
wrote:


"harry" wrote in message
om...
Hello,

Does anyone know how you can increase hot water pressure without
increasing the tank size or position or increasing the pipe size. I
was thinking if there is pump that you could add to the hot water
supply to increase the speed of the hot water flow. This is for an
open vented system.

Many thanks
Arif

A normal central heating pump can be fitted in the outlet of the hot water tank
to increase the flow. But you need to fit a flow switch device that detects
when the water is being demanded so that the pump isn't running continually.



Good idea in principle, but not using a standard CH pump which will
rust as a result of an ongoing flow of water with dissolved air.

For HW applications, Grundfos, among others make a brass pump and this
should be used.



..andy

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