I'm not a physicist so I need your help. I live in Mexico. We have a water tank sitting on the roof - there is no pressure pump. The water pressure in the house is very low. Is there a rule of thumb (for the common man) that will tell me how how much pressure increase will result from raising...

I drained my water supply when fitting new bathroom suite I have turn the mains water back on but I am not getting any pressure from the hot water taps the cold is fine

My old gage has some water on the inside of the dial,and I need to change it. There's no shut off valve on the line coming in from the water pump to the tank so ill have to turn the pump off and drain the tank to replace the gage. I believe my tank has an air bladder because there's a valve on top...

Biulding a new home told by the city I will only have 15 lbs water pressure as I am to close to the city water tank.. what's the best way to fix this problem use... inline booster pump or use a booster pump and a bladder tank in the basement?? Thanks for any ideas and help... Bob