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PostPosted: Fri Jul 21, 2017 9:52 am 
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It's for a slightly different model but if you check with them I'm sure it'll be fine :salute: ... hooting/#6

We have a Universal (negative) head twin pump and the flow rate is too great. Is there any way to reduce the pressure or limit the flow?
The pressure the pump delivers the water at is directly proportional to the amount of water being used. Therefore if your problem is that the pressure is too great at the shower head, fitting a larger shower head would increase the water flow and the pressure will be lower, but remember you will be using the water faster so your stored hot water will not last as long. The simplest way of reducing the performance is to close the outlet isolating valves down no more than 30% on both hot and cold flows thus restricting the water flow. Never restrict the water flow on the pump supply side.

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