I've read most of the questions on this website about this matter, but I'm still confused. I pulled off the handle and wall plate. But what do I do after that? I see a small (4 inch approx.) hole in the wall with a "unit" that looks like a cartridge that holds the handle. I can turn it to hot...

So I have a single handle shower made by Kohler that is only 2 years old. I have regular water pressure from the tub faucet but the shower when turned up hot has a diminished flow. When you turn the sink or flush the toilet in the same bathroom the pressure is actually much better. I adjusted the...

I am getting no hot water from my Moen single handle shower valve. I have plenty of pressure from cold water side. I removed the main handle to expose the valve. The hot water pipe has a small valve with a common head valve stem which I turned, hoping to unblock the valve, but this had no...

In my bathroom shower hot water is coming very slow and in the sink coming great

I have low water pressure in my master shower. So far narrowed it down to the cartridge in the mixer valve. I have no idea what brand since there are no names or numbers on anything. Took the cart out and tried to clean it. Seems like there is some scald valve in this balk plastic square cart that...