I've read many of the other posts, and I'm somewhat re-assured that I'm not the only one having problems with hot water pressure. For confirmation, here's my problem: I have a standard gas hot water heater in my basement; throughout the entire house my hot water pressure has recently dropped dramatically (no drop in cold water pressure). The problem exists in bathroom sinks, showers, kitchen sink, clothes washer, etc. I have flushed the system using the bottom drain and tonight opened the pressure release valve for about a minute as additional troubleshooting before I found this forum. Based on the other posts I've read, I'm assuming that I have a clog in one of my central pipes feeding water to or from the hot water heater, most likely at one of my valves. I'm correct, is this most likely going to be on the inlet (cold) or outlet (hot) valve on top of the water heater? Any suggestions would be appreciated.

labman

Most likely on the hot side. Try this, shut the cold water off to the hot water heater. Open the highest, farthest hot water tap. Open the drain valve. All the hot water should run back into the tank pushing the crud back into it and out the drain. Close everything and turn the water back on to the tank.