Has worked for years suddenly not even a drip.
Delta shower faucet no cold water.
Make sure cold water flows from the valve first and does not exceed 120 degrees fahrenheit at the hottest flow.
If the water is running from the bathtub faucet and not from the shower you may have a broken regulator valve inside the pipe system.
Important points to remember.
Removed valve and attempted to blow compressed air back up line to nearby sink hot and cold work fine.
If there s no cold water in your shower but cold water comes out of every other faucet just fine then the problem lies in the shower faucet cartridge.
Lack of cold water is usually caused by a defective pressure balancing valve in a cartridge.
I ve tried a new cartridge.
Took apart the old cartridge guts reinstalled still no water.
No cold water in shower.
If you re having an issue getting cold water in your shower fixing that problem is going to become critical to your happiness when the weather gets warm.
With a few tools and some patience you may be able to replace the valve cartridge on your own.
This part is located inside the shower faucet.
Begin troubleshooting by checking other faucets around the house.
Cold water supply line for delta single handle shower faucet is suddenly clogged no cold water.
H and c both have full pressure coming out of valve.
I suspect the hot and cold water lines were inadvertently swapped but the plumbing is in the wall and not accessible so for this single handle delta monitor shower tab faucet it can easily be.
The solution is to replace the cartridge.
Learn how to troubleshoot your shower faucet.
See illustrations to reduce outlet temperature.
Covered the showerhead pipe with ducttape and blew on the tub spout tough to blow but air is moving back into the valve.
So are you feeling handy.
I have a single handle delta shower faucet with no water coming out.
Make sure water at the hottest flow does not exceed the temperature allowed see steps 1 4 above.
Make sure cold water flows from the valve first.
This is a more involved plumbing problem and you will likely need to hire a plumber to fix it.