Source: <https://mtnmanplumbing.com/services/shower-tub/tub-spouts-and-diverters/>
Title: Water Still Pouring from the Tub Spout During a Shower?
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## On this page

- [The timing tells us where to start.](<https://mtnmanplumbing.com/services/shower-tub/tub-spouts-and-diverters/#st-diverter-flow>)
- [Filling the tub](<https://mtnmanplumbing.com/services/shower-tub/tub-spouts-and-diverters/#st-flow-tub>)
- [Running the shower](<https://mtnmanplumbing.com/services/shower-tub/tub-spouts-and-diverters/#st-flow-shower>)
- [Everything turned off](<https://mtnmanplumbing.com/services/shower-tub/tub-spouts-and-diverters/#st-flow-off>)
- [How the spout attaches.](<https://mtnmanplumbing.com/services/shower-tub/tub-spouts-and-diverters/#st-spout-fit>)
- [Showerhead runs while the tub fills.](<https://mtnmanplumbing.com/services/shower-tub/tub-spouts-and-diverters/#st-stacking>)
- [Handshowers & transfer valves.](<https://mtnmanplumbing.com/services/shower-tub/tub-spouts-and-diverters/#st-shower-outlets>)
- [Common questions.](<https://mtnmanplumbing.com/services/shower-tub/tub-spouts-and-diverters/#st-questions>)
- [Should all tub-spout flow stop during a shower?](<https://mtnmanplumbing.com/services/shower-tub/tub-spouts-and-diverters/#answer-should-all-tub-spout-flow-stop-during-a-shower>)
- [Can you replace only the tub spout?](<https://mtnmanplumbing.com/services/shower-tub/tub-spouts-and-diverters/#answer-can-you-replace-only-the-tub-spout>)
- [Why does the pull-up knob drop after I shut off the shower?](<https://mtnmanplumbing.com/services/shower-tub/tub-spouts-and-diverters/#answer-why-does-the-pull-up-knob-drop-after-i-shut-off-the-shower>)
- [Sources & public guide record](<https://mtnmanplumbing.com/services/shower-tub/tub-spouts-and-diverters/#shower-tub-guide>)
- [What does theprice cover?](<https://mtnmanplumbing.com/services/shower-tub/tub-spouts-and-diverters/#mpx-title>)
- [Older homes. New plumbing projects.](<https://mtnmanplumbing.com/services/shower-tub/tub-spouts-and-diverters/#man-title>)
- [Keep following the plumbing.](<https://mtnmanplumbing.com/services/shower-tub/tub-spouts-and-diverters/#msn-title>)
- [Want to look at it first?](<https://mtnmanplumbing.com/services/shower-tub/tub-spouts-and-diverters/#diy-related-title>)


[← Shower & tub plumbing hub](<https://mtnmanplumbing.com/services/shower-tub/?agentnet=md>) Sandy, Utah · Salt Lake Valley

Tub filling · Shower switching · Handshowers

# Tub spout & shower diverter repair.

A diverter directs the mixed water to the tub spout, showerhead or another outlet. The familiar pull-up knob on a tub spout closes a gate inside the spout, allowing water to rise to the showerhead.

- [Book shower & tub service ↗](<https://mtnmanplumbing.com/book-online/?agentnet=md>)

- [(385) 766-8935](<tel:+13857668935>)

Long story short

We repair and replace tub spouts and diverters that leak or won't send water to the shower properly. Send a photo of the spout and handle. We'll identify the connection and help match the replacement to your plumbing.

Jump to: [The timing tells us where to start](<https://mtnmanplumbing.com/services/shower-tub/tub-spouts-and-diverters/#st-diverter-flow>) · [How the spout attaches](<https://mtnmanplumbing.com/services/shower-tub/tub-spouts-and-diverters/#st-spout-fit>) · [Showerhead runs while the tub fills](<https://mtnmanplumbing.com/services/shower-tub/tub-spouts-and-diverters/#st-stacking>) · [Handshowers & transfer valves](<https://mtnmanplumbing.com/services/shower-tub/tub-spouts-and-diverters/#st-shower-outlets>)

Skip the read? [Book a visit](<https://mtnmanplumbing.com/book-online/?agentnet=md>) or [text (385) 766-8935](<sms:+13857668935>).

- [All shower & tub services](<https://mtnmanplumbing.com/services/shower-tub/?agentnet=md>)

- [Valves & cartridges](<https://mtnmanplumbing.com/services/shower-tub/shower-valve-repair/?agentnet=md>)

- [Spouts & diverters](<https://mtnmanplumbing.com/services/shower-tub/tub-spouts-and-diverters/?agentnet=md>)

- [Drains & hidden leaks](<https://mtnmanplumbing.com/services/shower-tub/tub-shower-drains-and-leaks/?agentnet=md>)

- [Replacement & remodels](<https://mtnmanplumbing.com/services/shower-tub/shower-tub-replacement/?agentnet=md>)

In this guide

- [When does the water appear? ↓](<https://mtnmanplumbing.com/services/shower-tub/tub-spouts-and-diverters/#st-diverter-flow>)

- [Look underneath first ↓](<https://mtnmanplumbing.com/services/shower-tub/tub-spouts-and-diverters/#st-spout-fit>)

- [A useful installation clue ↓](<https://mtnmanplumbing.com/services/shower-tub/tub-spouts-and-diverters/#st-stacking>)

- [More than one shower outlet ↓](<https://mtnmanplumbing.com/services/shower-tub/tub-spouts-and-diverters/#st-shower-outlets>)

When does the water appear?

## The timing tells us where to start.

### Filling the tub

Mixing valve **↓** Open spout → Tub

### The spout is the open outlet.

Mixed water leaves through the tub spout. A steady stream from the showerhead at the same time sends us looking for a restriction in the tub path.

See stacking and the tub-drop connection below.

### Running the shower

Mixing valve **↓** Diverter → Showerhead

### The diverter sends water up to the head.

Closing the gate inside the spout redirects flow. A worn or damaged gate can leave a strong stream running into the tub and reduce the shower’s flow.

We check the spout mechanism and whether a repair kit or replacement spout suits it.

### Everything turned off

Mixing valve **↓** Closed → Flow stops

### The mixing valve stops the incoming water.

Water remaining in the head and riser drains away. A continuing drip after that points toward the valve’s shutoff parts.

Go to the valve and cartridge guide for a persistent drip.

[Valve and cartridge repair →](<https://mtnmanplumbing.com/services/shower-tub/shower-valve-repair/?agentnet=md>)

Look underneath first

## How the spout attaches.

**Slip-fit spout**

Slides over a smooth copper stub and uses an internal seal. A small screw underneath holds it in place.

**Threaded spout**

Screws onto a threaded pipe end or a matching adapter. The thread location and distance from the wall need to suit the replacement.

**Manufacturer adapter**

Some spouts fit a dedicated adapter on the pipe. The replacement must work with that adapter or include a compatible connection change.

A loose spout needs its connection checked. Turning a slip-fit spout before releasing its screw can score the copper tube; forcing a threaded one can twist the pipe behind the wall. We identify the connection, check the stub and mount the replacement firmly at the wall.

Read more: [Moen: threaded and slip-fit tub spouts ↗](<https://solutions.moen.com/Article_Library/Replacing_a_Tub_Spout>)

A useful installation clue

## Showerhead runs while the tub fills.

Plumbers call this stacking. Water backs up toward the shower because the path to the tub spout is restricted.

A damaged spout gate or debris can restrict the outlet. On a new installation, the tub-drop pipe, adapters, valve orientation and outlet spacing also need a look. Moen’s tub/shower guidance specifies metal piping to the spout; a narrow fitting or the wrong tubing can change how that outlet flows.

The tub drop is the short pipe from the valve down to the spout. We build it for the selected valve’s requirements, then run the tub and shower before closing the wall.

Read more: [Moen: water from the showerhead during tub filling ↗](<https://solutions.moen.com/Article_Library/What_is_a_Stacking_Leak%3F>)

More than one shower outlet

## Handshowers & transfer valves.

### A diverter at the shower arm

A small selector at the showerhead can send water to a fixed head or a handheld hose. The existing shower valve still supplies the mixed water.

### A transfer valve in the wall

A separate control routes water between a head, handshower or body sprays. Its number of outlets and shared-flow positions must match the layout you want.

### A handshower that loses flow

We check the hose for kinks, the inlet screen for debris and the selector for a restriction. Scale at the spray face can make the pattern uneven even when the upstream valve works.

[Plan a multi-outlet shower →](<https://mtnmanplumbing.com/services/shower-tub/shower-tub-replacement/#st-layout>)

Useful answers

## Common questions.

### Should all tub-spout flow stop during a shower?

A worn diverter can leave a substantial stream running into the tub and weaken the shower. Some spouts allow a small amount of bypass or drainage by design. We compare the behavior with that spout’s design before choosing a repair.

[Link to this answer](<https://mtnmanplumbing.com/services/shower-tub/tub-spouts-and-diverters/#answer-should-all-tub-spout-flow-stop-during-a-shower>)

### Can you replace only the tub spout?

Yes, when the pipe connection is sound and a compatible spout is available. We also check for water leaking behind the spout while it runs.

[Link to this answer](<https://mtnmanplumbing.com/services/shower-tub/tub-spouts-and-diverters/#answer-can-you-replace-only-the-tub-spout>)

### Why does the pull-up knob drop after I shut off the shower?

Many tub-spout diverters release as water pressure falls. That returns the outlet to tub-fill mode and lets water remaining in the shower riser drain through the spout.

[Link to this answer](<https://mtnmanplumbing.com/services/shower-tub/tub-spouts-and-diverters/#answer-why-does-the-pull-up-knob-drop-after-i-shut-off-the-shower>)

- [Valves & cartridges →](<https://mtnmanplumbing.com/services/shower-tub/shower-valve-repair/?agentnet=md>)

- [Drains & hidden leaks →](<https://mtnmanplumbing.com/services/shower-tub/tub-shower-drains-and-leaks/?agentnet=md>)

- [Replacement & remodels →](<https://mtnmanplumbing.com/services/shower-tub/shower-tub-replacement/?agentnet=md>)

### Sources & public guide record

Maintained by Mountain Man Plumbing · Utah Master Plumber, Lic. \#12992295-5501.

- [Moen: water from the showerhead during tub filling ↗](<https://solutions.moen.com/Article_Library/What_is_a_Stacking_Leak%3F>)
- [Moen: threaded and slip-fit tub spouts ↗](<https://solutions.moen.com/Article_Library/Replacing_a_Tub_Spout>)

Version 2026.09.10.1 · References checked 2026-09-10.

- [Public record · JSON](<https://mtnmanplumbing.com/pb/facts/shower-tub/guide.json>)

- [Read as Markdown](<https://mtnmanplumbing.com/services/shower-tub/tub-spouts-and-diverters/?agentnet=md>)

## Let’s get it working.

Tell us what the shower or tub is doing. We’ll help you work through the next step.

[Book shower & tub service ↗](<https://mtnmanplumbing.com/book-online/?agentnet=md>)

The price, in plain terms

## What does the price cover?

1. 01 **Name the work.** What's being repaired or installed, and what stays.
2. 02 **Check what's included.** Parts, labor, access, cleanup and any required permit.
3. 03 **Settle the open questions.** Extra work, exclusions and the warranty for this job.

A quote for shower or tub work should make the scope clear. Check who handles access and patching, whether any further diagnosis costs extra, and what happens if opening things up reveals more damage.

**Found a lower number? Ask us why ours is different.** Bring both descriptions of the work. Compare the equipment, repair scope and exclusions before deciding what the difference buys. A higher price alone doesn't prove a better job.

- [**What shower and tub repairs cost in Utah ↗** What changes the cost and what to ask before agreeing. On Utah Plumbing Prices, which we publish.](<https://utahplumbingprices.com/faucet-repair/>)
- [**Already have a quote? Check it ↗** Use our second-opinion tool to work through the job and the price you've been given.](<https://mtnmanplumbing.com/instant-second-opinion/?agentnet=md>)
- [**How plumbing pricing works ↗** Flat rate, hourly, dispatch fees, permits: what each one means for what you pay.](<https://utahplumbingprices.com/how-pricing-works/>)

From our local guides

## Older homes. New plumbing projects.

Our county-record analysis shows when the neighborhoods were built. The repair guides explain the fixtures, pipes and remodel work.

- [**Salt Lake City: older homes, condos and remodels ↗**](<https://mtnmanplumbing.com/salt-lake-city-plumber/#slc-home>)
- [**Holladay: the 1950s and ’60s building years ↗**](<https://mtnmanplumbing.com/holladay-plumber/#hd-homes>)
- [**Kearns: the city’s big building waves ↗**](<https://mtnmanplumbing.com/kearns/#kn-homes>)

- [Find plumbing help in your city ↗](<https://mtnmanplumbing.com/locations-we-serve/?agentnet=md>)

- [Explore this topic across our service area ↗](<https://mtnmanplumbing.com/locations-we-serve/#man-topic-homes>)

Connected in your home

## Keep following the plumbing.

- [01 **Shower & tub plumbing →** See how the valve, spout and showerhead work together.](<https://mtnmanplumbing.com/services/shower-tub/?agentnet=md>)
- [02 **Shower valve repair →** A continuing drip can begin at the shutoff inside the wall valve.](<https://mtnmanplumbing.com/services/shower-tub/shower-valve-repair/?agentnet=md>)
- [03 **Shower & tub replacement →** Compare a trim change with replacing the valve behind it.](<https://mtnmanplumbing.com/services/shower-tub/shower-tub-replacement/?agentnet=md>)

MOUNTAIN MAN PLUMBING / DIY

## Want to look at it first?

[All DIY tips ↗](<https://mtnmanplumbing.com/diy-plumbing-tips/?agentnet=md>)

The tub won't hold water. Almost everything that's wrong is behind two screws in the overflow plate.  DIY TIP / 01

Shower / Tub Plumbing

### [The tub won't hold water. Almost everything that's wrong is behind two screws in the overflow plate.](<https://mtnmanplumbing.com/diy-tub-wont-hold-water/?agentnet=md>)

Six different mechanisms all get called a tub stopper, and the repair is different for each one. Most of the time you never open a wall. And the hard part usually isn't the fix, it's getting the old one out.

 Read the tip  ↗

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