It is the master bath faucet off the master bedroom, it is an "on-suite". We have another main bathroom for the house which is the one I referred to with the strong water pressure, and it located directly behind the wall of the master bathroom off our hallway where the other two bedrooms are located.

The faucet in question is a Delta 2530 Series and is located in the master bedroom bath. What I noticed since I posted this is that the hot water comes out at regular pressure when turned on full blast so to speak, then as it gets warmer, which takes several minutes as the bathroom is the farthest from the hot water heater, is that the stream slows way down till there is almost no hot water coming out. The cold water seems to be a stronger pressure however not the normal flow it was previously, but it does not slow way down to the same slow stream as the hot water does. We wonder could it be an aerator problem? Thanks, Kim (Fort Worth Texas)