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what setting should the pumps be if they are working together? O/v One on the flow is set 3 and the return pump is at speed set 2. Should the pumps not be set at the speed together?
Since it's a 3 storey house I've heard about theses loss of head pumps?someone shine light on this please.
Since it's a 3 storey house I've heard about theses loss of head pumps?someone shine light on this please.