If you have a shower-tub combination in your bathroom, the shower diverter valve is what allows you to divert the water back and forth between the tub faucet and the showerhead. Though they are typically very simple devices, shower diverters may malfunction and need replacing once in a while.

How does the diverter valve work?

How does a diverter valve work? Diverter valves switch the flow of water between the tub faucet and the showerhead. Water flows directly through the faucet and into the bathtub when the valve is open. When the valve is closed, water pressure forces the water to run upward to the showerhead.

How much does it cost to replace a shower diverter valve?

PartAverage cost to replaceShower diverter valve$225 – $575

What does a shower diverter look like?

The diverter looks like a pin pulled upward from the bathtub faucet spout. It’s possible that it may come in the form of a third handle or a button that needs to be pushed or pulled. Either way, when the valve is activated, it engages a rubber stopper, which causes the water to flow in a different direction.

Why does tub faucet leak when shower is on?

A leaky shower diverter. A diverter may be an unfamiliar term. The diverter is a valve in your tub’s faucet that diverts water from the tub to the showerhead when the lever is pulled to turn on the shower. A small amount of water dripping out of your tub’s faucet is normal because the valve doesn’t have a perfect seal.

How do you fix a broken shower diverter?

1. Turn off the water supply to your shower.
2. Seal off your drain with tape so that small screws or other important parts are not lost down the drainpipe.
3. Tighten the screws behind the faceplate of the diverter valve. …
4. Disassemble the shower diverter. …
5. Replace the diverter.

How do I know if my diverter valve is faulty?

A diverter valve may be faulty if the hot water taps still work while the radiators do not turn on. Another sign of a faulty diverter valve is if you only can only get lukewarm water from your taps.

What is a tub valve?

These valves allow you to set the water temperature without having to balance the hot and cold water manually. … These valves change the flow of water to different fixtures — such as from the tub faucet to the shower head or from the fixed shower head to a hand-held shower head.

How does a tub diverter spout work?

A sturdy piece of plastic slides into grooves inside the mouth of the spout. A metal rod enters the tub spout from the top and clips on to the plastic gate. When the rod is pushed down, the gate lies below the water supply pipe, allowing water to flow freely from the tub spout.

How do you replace a shower diverter valve?

1. Loosen the screw on the handle.
2. Unscrew and remove the handle. …
3. Remove the sleeve over the diverter. …
4. Remove the diverter using a socket wrench. …
5. Unscrew the set screw. …
6. Unscrew spigot from the wall.

Article first time published on

Do you have to replace valve when replacing shower faucet?

If there is water leaking from the shower valve, it may be time to replace the valve. Some planning is required if you want to do the replacement without the help of a plumber. Assuming you can just replace the valve can cause problems.

How much does a plumber charge to replace a bathtub faucet?

Type of FaucetAverage Cost to InstallBathtub Faucet$150 to $400

Can a tub faucet leak behind the wall?

It can wick up a wall, it can run along a stud or a beam and end up in a completely different spot. … One of the tell-tale signs of a water leak coming from a shower valve behind the wall is water stains. If you have an upstairs bathroom, you may notice dried water stains on the ceiling below the shower.

How do you replace a tub faucet with no wall access?

1. Turn off the water valves at the main incoming water pipe. …
2. Remove the cap on the faucet handle and loosen the screw underneath with an Allen wrench. …
3. Pry out the clip around the cartridge with a pair of needle-nose pliers. …
4. Install a new cartridge inside the faucet head.

Why is my tub faucet leaking hot water?

The faucets installed in your bathtub are easy to replace and fix, and you can do it well on your own. … The leak in your hot water faucet could be as a result of a worn-out washer, gasket or seal. The steps below will guide you in the replacement of the leaking bathtub hot water faucet.

Do you have to turn off water to replace tub faucet?

Originally Answered: Can people change a bathtub faucet without turning the water off? Usually yes you can for the spout. The water is turned off at the valve there or you’d be filling the tub! There’s usually a set screw underneath that holds it onto the pipe coming out.

How do I stop my shower diverter from leaking?

1. Turn the Water Supply Line Off. Always begin the job involving toilets, showers, and kitchens by turning off the water supply first. …
2. Seal the Drain Properly. …
3. Remove the Spout Correctly. …
4. Find a Replacement Using the Right Model.

How long does a shower diverter last?

The valves are easy to move against pressure. Control the volume from off to full on by leaving them set to the same temperature. The system costs about $30 to replace, but they last for 20 to 30 years.

What happens when a diverter valve fails?

If your hot water tap is only releasing lukewarm water, you may have a stuck valve. The valve is allowing some hot water through but not enough to make the water hot instead of warm. This is one of the most common signs that your diverter valve is faulty.

Can you fix a diverter valve?

If a diverter valve is stuck closed, it won’t let your radiators warm up the room; The most common repair method is either cleaning or replacing the diverter valve; Always call a certified technician if you have a problem with your combi boiler, especially if it’s still in warranty.

How long does it take to replace a diverter valve?

You should call a gas safe registered engineer if you need to replace the diverter valve or service the working parts of the valve after you’ve diagnosed the problem. It shouldn‘t take more than an hour for this to be done on a boiler under eight years old, as parts should be readily available.

How do I turn my shower diverter on?

Here’s how they work: Three-valve shower diverter: Tubs with separate hot and cold handles may have a three-valve diverter located between them. Turn this third handle clockwise 180 degrees to send hot and cold water to the showerhead. Turn the diverter handle counter-clockwise to restore flow to the tub spout.

What is the tub faucet called?

Roman Tub Faucet — Refers to a faucet mounted on the rim of a tub or the deck behind the tub. Also referred to as a deck mount faucet. Rough In — Any part that is installed in the wall, floor, or ceiling or under the counter or deck.