Since the inlet and outlet hoses are the same size I don't think the volume pumped could change without an increase in PSI. You would have to measure pressure before the distributor because the primary pressure regulator will keep it at 5.2 bar from then on. The rest gets sent back to the tank. I will see if I can measure this but not sure if I have the right fittings for my CIS tester to check before the distributor.





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