Low water pressure copper pipe low at all fixtures and faucets. City has checked pressure. They installed new shutoff in streetalso. They checked meter and was OK. I am orignal owner feed from street is 3/4".copper house also. House built in 1972. Problem started 6 months ago. I am at whits...

What is the maximum water pressure that is allowed in residential or commercial buildings?

Stupid question: I just installed a bathroom vanity light that has 4 bulb sockets. The packaging all says that it "uses 4 standard base bulbs, 75 watts maximum." Is that 75 watts x 4 bulbs? Or 75 watts for all bulbs in total?

Hi. I'm having difficulty reaching 50psi in my water pump. It reaches 40psi and just continues to run. I've adjusted the air pressure in the pressure tank, but that didn't work. The tank had no air pressure when I checked it earlier today. I followed the procedure listed on the air tank to get...

plumberjames83 Junior Member Join Date: Nov 2007 Location: BIRMINGHAM , AL Posts: 75 Is there somewhere in the code that allots for " toomuch fall" I have seen where therein minimum but what about maxiumum