The spout and showerhead are both open to the atmosphere, meaning that when the valve is on the water could travel either out the spout or up through the shower head. Because the spout is a shorter distance and at a lower elevation than the showerhead, water takes the path of least resistance out through the spout. When you pull up on the slider, the cup blocks the water from going to the spout, so the only way to go is through the showerhead. The pressure of the water holds the cup in place. The hole was possibly this manufacturer's method of relieving the pressure in the riser when the valve is off allowing the diverter slider to return to open. Answer from Genericname187329465 on reddit.com
Allora USA
allorausa.com › home › blogs › blogs
Complete Guide to Shower Diverters: Types, Functions, and Installation Tips
April 16, 2025 - This flexibility gives users the ability to combine shower experiences—for example, running an overhead rain shower with body sprays or switching between a handheld sprayer and a standard showerhead. A six-way diverter is typically operated by a single rotating control with clearly notched positions for each setting. Just like the two-way diverter, it must be used in combination with a pressure-balance or thermostatic mixing valve, as it does not regulate water temperature or pressure on its own.
Pinterest
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shower diverter diagram
March 30, 2019 - When autocomplete results are available use up and down arrows to review and enter to select. Touch device users, explore by touch or with swipe gestures. Log in · Sign up · Explore · Home Decor · Diy home improvement · 51 Pins · 1mo · Modern Shower System Diagram · Modern Shower Faucet Diagram · Ikea Kitchen Faucet · Thermostatic Shower Faucet Diagram · Ikea Faucet · Exposed Shower Valve Dimensions · Wall-mounted Shower Faucet Diagram · Plumbing Layout · Shower Diverter ·
Videos
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What is a Shower Diverter? - YouTube
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Shower Repair : How Do I Repair the Diverter in a Shower? - YouTube
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Water Not Coming Out Of Shower Head? Tub Spout Diverter Repair ...
Tub Spout Diverter Repair or Replace?
Reddit
reddit.com › r/plumbing › how does a tub diverter spout send water up to the shower?
r/Plumbing on Reddit: How does a tub diverter spout send water up to the shower?
December 11, 2022 -
How does it work? The slider rides very loosely. The slider has a recess that captures a rubber "cup" the cup has a hole in it. Why does the slider and cup get pulled against the spout bulkhead rather than be pushed away? Is there a moving part in the rough-in that moves and directs water up to the shower when I pull up the diverter handle.
My spout was letting too much water dribble/leak out when the slider was up and water was diverted up to the shower. My repair was to place an o-ring inside the cup. The spout still dribbles, but much less.
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The spout and showerhead are both open to the atmosphere, meaning that when the valve is on the water could travel either out the spout or up through the shower head. Because the spout is a shorter distance and at a lower elevation than the showerhead, water takes the path of least resistance out through the spout. When you pull up on the slider, the cup blocks the water from going to the spout, so the only way to go is through the showerhead. The pressure of the water holds the cup in place. The hole was possibly this manufacturer's method of relieving the pressure in the riser when the valve is off allowing the diverter slider to return to open.
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I basically have the same question. I get to take a closer look at the gate. It sits very loosely when it is supposed to be closed. The gap is still pretty wide. I wonder if it is the way it should be. Or the previous house owner found the wrong part to repair. Let me know if you get more information over the last three years and have the answer now.
Pinterest
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Bathroom Faucet And Shower Diagram
February 8, 2013 - This is the most complicated of the installation diagrams. The shower valve has a diverter to take the water from the tub spout to the shower head. (If you have the water delivered to the tub spout first, it is easier to test the temperature.)
DIY Home Improvement
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How does a shower spout diverter work? | DIY Home Improvement Forum
March 21, 2018 - For theoretical understanding, ... exit the tub spout. When you pull up on tub spout and divert water to the showerhead, you change the path of least resistance from the tub spout to the showerhead....
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Angi
angi.com › solution center › plumbing
Shower Plumbing Diagram: How Your Shower Works | Angi
May 2, 2025 - Diverters redirect the flow of water in your shower—typically from a bathtub faucet to a showerhead (if you have a shower-tub combo) or from a showerhead to a hand shower (if you have a rain showerhead).
The Shower Head Store
theshowerheadstore.com › home › blog › types of shower valves explained: ultimate guide
Types of Shower Valves Explained | HammerHead® Showers
1 month ago - If you want the benefits of multiple shower heads without touching the plumbing behind the wall, an external diverter is the most cost-effective option. These attach directly to the shower arm and work just like internal diverters, giving you the ability to run a handheld, a fixed head, or both.
Southend Plumbing LLC
southendplumbingllc.com › how-to-fix-a-shower-diverter
How to Fix a Shower Diverter
October 31, 2023 - What is a Shower Diverter A shower diverter is the mechanism that reroutes the water from your tub faucet to your showerhead. Many shower diverters are managed by a pin knob that you pull, but there are numerous types.
RBROHANT
rbrohant.com › home › what’s a shower diverter valve and how does a shower valve work?
What’s a Shower Diverter Valve and How Does a Shower Valve Work?
A diverter valve typically has a lever or knob that you can operate to change the water flow direction, controlling which outlet the water is directed to. There are several types of shower diverter valves, including:
Elite Rooter
eliterooter.com › home › what is a shower diverter and how it works?
What is a Shower Diverter and How It Works?
August 14, 2025 - When the lever or knob is in the “up” position, water flows from the pipe to the showerhead. When it’s in the “middle” position, water flows from the pipe to the handheld sprayer.
Master Plumber®
masterplumber.ca › home › support › how to instructions › shower & bath
How To Repair a Shower and Bath
March 23, 2023 - Turn off water supply, then drain lines by turning on faucet handles and diverter handle. A diverter functions in the same manner as a faucet. For stem-type diverters, turning the handle causes the stem to move into the valve seal and redirect the water to the shower head.
Mr. Rooter
mrrooter.com › home › about/blog › how does a shower diverter work
How Does a Shower Diverter Work? | Mr. Rooter Plumbing
These diverters are usually activated ... input. When the pressure in the tub faucet exceeds the pressure in the showerhead, it automatically closes the valve in the tub faucet, redirecting the water to the showerhead....
Physics Forums
physicsforums.com › classical physics
How does a bathtub/shower diverter valve work? • Physics Forums
November 6, 2022 - It operates using a three-way valve ... "S" (Shower). When the diverter lever is activated, it blocks the bathtub spout and redirects water to the showerhead, utilizing water pressure to maintain its position....
Best Plumbing
bestplumbing.com › 2018 › 05 › 22 › shower-diverters-what-they-are-and-what-they-do
Shower Diverters: What They Are and What They Do - Best Plumbing
May 22, 2018 - When the diverter valve is open, water flows directly through the faucet and into the tub. However, when you want to take a shower, you lift the knob or lever to close the diverter valve.
Absolute Plumbing
absoluteplumbingonline.com › home › blog › how does a shower diverter work?
How Does a Shower Diverter Work? | Absolute Plumbing
November 13, 2024 - Two-Valve Diverter: Found in setups where the faucet has separate handles for hot and cold water, the diverter is typically located between these handles. Turning the diverter 180 degrees allows the user to direct water either to the shower head or to the tub.
HomeTips
hometips.com › how a shower works—plumbing and more
How a Shower Works—Plumbing and More | HomeTips
May 4, 2025 - Wait a few minutes. If the water level goes down and wetness shows up beneath the shower, the pan is leaking. A diverter valve directs the water either to the shower head or to the tub spout.
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PlumbingSupply.com
plumbingsupply.com › home › diy plumbing tutorials › tub spouts index › how to choose & replace a tub spout
How to Replace a Tub Spout
October 2, 2013 - Learn the differences between tub spout types, how to determine which style you have, and how to replace one.
Home Stratosphere
homestratosphere.com › types-of-shower-diverters
14 Different Types of Shower Diverters to Control the Flow
June 19, 2023 - This type of shower diverter does not have a dial function. So, there’s less control than other types. It’s operated with a push & pull function or a push-only function. You can only entirely turn off the diverter or turn it on to full flow. You will commonly see this type of diverter used with a tub and shower combination. This type of shower valve is constructed out of the handle of the shower valve trim that is already there. One way it may work ...