[Solved] When Delta shower faucet will not turn off- 5 Reasons to Check Must

Think that you have to hurry for office, but your shower faucet is not turning off. Water keeps wasting all day, and there is no time to call a plumber. It would have been great if you had some basics about the common shower faucet problems like –why your delta shower faucet will not turn off, leakyshowers, etc.

Primarily problems might be in the cartridge, shower handle, or in the control wheel. But first, you should cut off the main water supply of your house to prevent water wasting.

So without any delay, let’s dig deeper into this troubleshooting guide to restore your malfunctioning shower faucet.

Delta Shower Faucet Will Not Turn Off- Know The Reasons

All the house owners have some hard time with their constantly pouring shower faucets at some point. For the time being, you can stop the draining of the water closing the water supply of the whole house. But that cannot be a permanent solution. The same scenario will trigger once you turn on your shower faucet again.

Before the plumber reaches you, you can take a brave step to find the reason why your bath tub faucet wont turn off.

There might be a loose faucet handle screw, worn-out cartridge, mass deposition of minerals, or deposit in the service pipe.

Here are some common problems why your shower won’t stop running with their best possible reason.

Reasons why faucet not turning offBest possible solution
Loose faucet handleTighten the faucet handle screw
Worn out cartridgeReplace the old cartridge
Gradual build-up of debris and mineral in the service pipeClean the debris and minerals for easy rotation of the handle
Worn-out metallic parts in a non-cartridge shower faucetReplace it with a plastic or rust-resistant aluminum metallic part
Stiff faucetReplace the faucet seal and grease O-rings

Delta shower faucet does not turn off- how to fix

Try to guess the reasons behind your malfunctioning shower faucet. You can simply leave a text to the delta shower customer care service or take help from a plumber.

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Problem-1: loose shower handle

No matter how hard you try, delta shower faucet won’t turn off all the way if your shower handle is loose.

The faucet stem wears out with time. So, the handle cannot work in harmony with the cartridge to gain control over the water flow.

To Fix This Tools You Need-

  • Flathead screwdriver

Steps to Fix:

  • Turn off the water supply from the main line.
  • Search for the loose faucet handle screw.
  • Pry the flathead screwdriver beneath the covering plate of the showerhead.
  • Rotate the screwdriver and tighten the handle accordingly.
  • Turn off the faucet handles to check if it stopped pouring the water.

Problem- 2: worn-out cartridge

Another reason why your shower wont turn off is a damaged cartridge.

Continuous use of the shower damages the gaskets and rubber washers. Moreover, imbalanced water pressure breaks off the metallic seal, and water keeps pouring.

Tools Needed Here-

  • Screwdriver
  • Pipe wrench
  • replacement cartridge

Fixing Steps:

  • Firstly, turn off the water supply of the house just like the first one.
  • Plugin your drain stopper not to lose any parts.
  • Use a screwdriver to unscrew the handle.
  • Gently unscrew the cartridge and pull it out gently and note the direction.
  • Next, you have to take off the clip behind the cartridge and store it.
  • Take some lube in your index and apply it in the place of the cartridge for easy installation.
  • Screw the replacement cartridge orderly.
  • Screw up the handle and check if the problem is solved or not by turning on the shower.

Problem-3: gradual built-up of debris and minerals in the service pipe

Groundwater is rich in minerals and associated debris. These debruise deposit in the seals, connecting pipes, and limits the rotation of the cartridge and handle. Thus your delta shower faucet does not turn off.

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Here You Need-

  • Vinegar
  • Baking soda
  • spray bottle

Steps to Fix:

  • Takethe water and vinegar in a spray bottle in a 1:1 ratio.
  • Spray the mixture over the showerhead and shower handle.
  • Leave it for 20 minutes.
  • Then add some baking soda and vinegar together and spray on the showerhead.
  • Clean it with fresh water.

Problem-4: worn-out metallic parts in non-cartridge shower heads

Not all shower faucet has a cartridge. Instead of a cartridge, they have plastic or metallic parts that control the water flow. The shower faucet won’t turn off completely if these plastic or metallic parts are broken.

Tools Needed Here-

  • Flat-head screwdriver
  • Replacement parts

Steps You Need to Approach with:

  • At the onset of the task, cut off the water supply from the whole house.
  • Using a flathead screwdriver, remove the handle
  • Then gently remove the broken plastic parts or metallic parts.
  • install an aluminum metallic part
  • Re-screw the handle and start on the water supply.

Problem-5: Stiff faucet

If the O-ring is installed improperly, the faucet becomes stiff and does not swivel. The water supply can’t be controlled, and the delta bathroom sink faucet will not turn off.

Tool Requirements Here-

  • Silicone grease
  • Screwdriver

Solution Steps:

  • Firstly try to pull out the spout.
  • Remove the handle and valve.
  • Apply come silicone grease on the O-ring.
  • Reassemble the handle, valve, and spout accordingly.
  • Finally, turn on the shower faucet again to check its swivel capability.

Also Read: Delta Shower Head Not Working: How To Fix At Home

How do you fix a Delta single-handle shower faucet?

Repairing a delta single handle shower faucet is easy and required fewer tools. You should consult a plumber if needed to avoid pipe damage.

It is high time you should replace the damaged valves and springs. Otherwise, your delta shower faucet won’t shut off.

Tools You Will Need-

  • Hex screw
  • Flat-head screwdriver
  • Pliers

Procedure to Follow:

  • Firstly disassemble the targeted valve to close the water supply.
  • Use a hex wrench to unscrew the lever-style handle or a flat-head screwdriver for the ball handler.
  • Pull out the bonnet after removing the covering sleeve.
  • Rotate the cartridge stem and pull it out with pliers.
  • Look for the seal inside the valve housing.
  • Install new string and seal everything accordingly.
  • Grease the o-rig and install it to support the seal.
  • Re-screw the handle and faucet properly.
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Frequently Asked Questions (FAQs)

How do you fix a shower valve that won’t shut off?

If your shower valve doesn’t shut off, you should try tightening the shower handle first, then replace the damaged cartridge. You have to reduce all the means that heats the cartridge and prevent mineral depositions by cleaning periodically.

Why does my shower faucet not turn off?

The shower faucet does not turn off if the handle screw is loose and the cartridge wears out. Sometimes the O-ring does not work at easy which results in a malfunctioning shower faucet.

Final Verdict

There are many reasons why your Delta shower faucet will not turn off. Changing the complete shower faucet is a bit exaggerating and expensive.

Instead of that, you can search for the most possible reason why your shower is not stopping. Then focus on the problem separately.

At present, replacements parts are easily available on commercial websites and local stores, no matter it’s pandemic time or usual. And you can simply disassemble the stuff, fix it and again reassemble by yourself.

In addition, all the DIY tools are available in every household. So solving your shower faucet problem can be a piece of cake.

You Can Also Read:

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