There are no built in restrictions that I have ever heard of on a rig. My guess is you need to take the kitchen fixture apart and ensure that there are on debris clogging the passageways it may be the design of the fixture in that case replace it good luck.
Jake my sidekick (yellow Lab) 10/04 - 05/20
2017 RAM 2500 CC 4X4 Cummins Diesel
2016 Flagstaff 26 FKWS
AF&AM & El Korah Shrine of Idaho