I have a peerless single valve faucet in my stand up shower stall. When disassembled I get great water pressure. When I assemble the faucet back on and turn the water on I can't get the water to go to the shower pipe... to the shower head. I looked in the unit and can't seem to find anything...

I'm flummoxed with a Delta, mid-1990's mixing valve. The valve has shut-off's via screw and locknut on cold and hot inlets, and I have good pressure there at both hot and cold side. But an inch-or-so away, at the main body holding the cartridge (I don't know the terminology, sorry), no cold...

Background: We have a wall-mounted shower with a diverter valve between the feed pipe and the shower head to redirect the water to a handheld shower head (principally for cleaning). The diverter is only six-years old and has a push-pull control that is becoming quite difficult to operate, and also...

I've installed a Kohler Thermostatic Mixing Valve with Volume Control (K-404) in my shower construction project and just noticed that the hot water is circulating up through the valve and then back down the cold pipe! Yikes- this puts water from the hot water heater into the drinking water and...