luke warm

So about a week or two ago we started to notice that the hot water temp was a little low. I checked the two dials and adjusted them accordingly, turned the Flame up and the flow rate down as instructed in the manul. Nothing really changed. To give you an idea, we used to have to turn on the...

I have 2 single-handle Delta shower controls in two showers in my house and neither one regulates the hot water correctly. I've cleaned and changed out the valves (RP19804), but this did not solve the problems. In one shower, pure hot water will not come out of the shower head (it only gets...