Shower Valve Problems... Maybe???
I have just done a lot of work trying to get a decent shower in 2nd floor bathroom. I have replaced 1/2" pipe to 1" pipe for hot and cold mains. The pressure switch is set at 45/65. Pressure tank is in the basement. The shower line is 3/4" up to the ceiling of the first floor. It switches to 1/2" to the shower. I have approximately 2.3 gpm with only cold water on. 1.7 gpm with warm water and .851 with hot water.
The sink which is right next to the shower is Hot 1.6 gpm and Cold 1.5 gpm.
All measurements are approximate. I used a gallon jug and stop watch....
Any idea what is wrong? Is it the shower valve?
Thank you for any suggestions.