I recently installed a Grundfos comfort system recirc pump for a customer, and the kitchen faucet is the furthest fixture from the water heater, which has the special fitting under the sink. And now that faucet doesn't have enough pressure, although it does get hot water quickly. I checked the aerator and there's no debris in it and I double checked the connections. All the other faucets in the house have adequate pressure and get instant hot water. Please email me any and all ideas and solutions. Thank you.