PRV before pump inlet?
Posted by KevinS on May 15, 2003 at 08:18:54:
I have a 0.2 bar (2M head) cold water supply and a 2.1 bar (maximum) hot water supply. I also have a shower pump/mixer that has an inlet min-max range of 0.1 bar to 1 bar.

My question is this: is it advisable to use a Pressure Reducing Valve (PRV) to reduce the hot supply pressure to, say 0.5 bar, before the inlet to the pump?

My worry is that the draw from the pump will fight with the PRV and cause problems, and the shower unit was a bit too expensive to risk without advice!


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