Agreed it's a pain to verify, I wrote the part number on the back of the wall plate after replacing mine last week. But if it's a faucet from a major brand, it might be on their website. It seems like each one only has a few different sizes. Answer from Firehed on reddit.com
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Moen Solutions
solutions.moen.com › article library
Faucet Cartridges: Shower - Moen Solutions
December 6, 2022 - How to identify which cartridge your Moen one, two or three handle bathroom tub and/or shower uses by handle operation and color images of the various cartridges.
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Deltafaucet
deltafaucet.ca › shower-cartridges
Shower Cartridge Identifier
We cannot provide a description for this page right now
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Equiparts
equiparts.com › faucet-cartridge-and-stem-quick-guide
Faucet Cartridge and Stem Quick Guide – Equiparts
The handle type and installation of the stems or cartridge(s) changes if it will dispense hot or cold water (or both for single lever faucets). For traditional lever handle faucets, which way the thread rises in the stem determines how it should be installed. The thread on Left-Handed stems rise to the left. They are turned counterclockwise to turn on. The thread on Right-Handed stems rise to the right. They are turned clockwise to turn on. However, showers will have different applications for cartridges depending on if it’s a round or cross handle instead of a lever.
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Guillens
guillens.com › JER › pdf › OEM_Generic_Faucet_and_Shower_Valve_Cartridge_Easy_Quick_Search.pdf pdf
OEM and Generic Faucet & Shower Valve Cartridge Easy ...
Quick and easy way to identify plumbing faucet parts for the kitchen, lavatory, bidet, bar and tub and shower valves. Finding one component among over 6,000 is a · challenge so we broke them down into classification for easy filtering as 1/4 Turn Cartridges including ceramic cartridges or plastic cartridges used on two or more
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RBROHANT
rbrohant.com › home › understanding bathroom faucet cartridges: the heart of your faucet's functionality
Understanding Bathroom Faucet Cartridges: The Heart of Your Faucet's Functionality
Ball Cartridges: Often found in single-handle faucets, these use a ball with different-sized openings that align with hot and cold water inlets to control the mixture and flow of water.
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Americanfaucetcorp
americanfaucetcorp.com › resources › valves-and-cartridges-catalog.pdf pdf
1 A M E R I C A N FA U C E T A N D C O AT I N G S C O R P O R AT I O N
Ceramic Disk Cartridge · 18.30.035 · $59 · Cold 20 Point · PARTS · 1/2" In-Wall Cold Corner · Valve 16 Point · 18.30.021 · $225 · 7 · 1/2" Shut-Off Valves for Shower and Tub Systems (7 gpm) Shut-Off Valves · Powered by Flühs (Forged brass bodies made in Germany) PARTS ·
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Sigmafaucetparts
sigmafaucetparts.com › pages › faucet-cartridge-fundamentals
Faucet Cartridge Fundamentals – Sigma Faucet Parts
A cold cartridge opens or turns on the water by moving in the clockwise direction. Two types of quarter-turn ceramic disk cartridges are very common: 16 point cartridge and 20 point cartridge.
Find elsewhere
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Vevano
vevano.com › blogs › bathroom-resources › shower-valve-types
Shower Valve Types 101 — How to Choose the Right Shower Valve
December 4, 2021 - To purchase the right shower valve type for your shower, whether for a bathroom or shower remodel or replacement, here’s what you should know: ... The shower valve is the inner device within the wall that regulates water temperature, flow, and output to the showerhead, tub spout, and other shower accessories. The cartridge in the valve connects it to the external trim handles as a supporting player in controlling the water flow and temperature.
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Terry Love
terrylove.com › home › forums
Shower Cartridge Identification Book
Suggestions on Shower Faucet · Latest: Eman85 · Today at 9:09 AM · Shower & Bathtub Forum & Blog · Need Help with Creative Company Names · Latest: Sylvan · Today at 9:01 AM · Plumbing Forum, Professional & DIY Advice · Reposting from reddit, what the heck am I looking at here, I wwas just trying to change my toilet out...
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Showerspares
support.showerspares.com › support › solutions › articles › 77000484439-what-is-a-shower-cartridge-
What is a shower cartridge? : National Shower Spares Knowledge Base
On a bar mixer shower, you would have a flow (sometimes a diverter) cartridge and thermostatic cartridge, which fit either side of the bar. You can get to these by removing the control knobs on each side.
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The Shower Doctor
showerdoc.com › identify-my-shower
Identify my Shower or Cartridge | The Shower Doctor
A photo of your shower valve will help us identify the make and model in most cases.
Address   Unit 4B Bankhead Crossway, EH11 4EX, Edinburgh
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Pfister Faucets
pfisterfaucets.com › parts-support › replacement-parts › category › cartridges
Category
Stuff happens–sometimes even when you buy a great faucet and install it correctly. If something seems to be wrong with your Pfister product, we’ve got answers to common issues to help you out · 1-800-PFAUCET (1-800-732-8238)
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Kohler
resources.kohler.com › webassets › kpna › ietm › 1288570_3 › index.html
KOHLER: Identifying Single-Control Shower Valves - Interactive Electronic Technical Manual
Identifying Single-Control Shower Valves · Click Here to Get Started · Identify Your Valve · [Your user agent does not support frames or is currently configured not to display frames. However, you may visit the related document.]
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ARCORA FAUCETS
arcorafaucet.com › home › how do you know what shower cartridge you need
How Do You Know What Shower Cartridge You Need | ARCORA FAUCETS
August 1, 2024 - Thermostatic Cartridges: These cartridges are more advanced and allow precise control over water temperature. They are commonly found in showers with thermostatic mixing valves, ensuring consistent water temperature even if there are fluctuations in hot or cold water supply. Once you’ve identified your shower valve type, the next step is to ensure compatibility with the new cartridge.
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Hunker
hunker.com › 13416398 › how-to-determine-the-shower-faucet-type
How To Determine The Shower Faucet Type - Hunker
May 8, 2023 - Old shower valve identification is required when you need to replace a valve cartridge or stem. Learn how and where to find what you need for your shower faucet.
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Delta Faucet
deltafaucet.com › service-parts › find-parts-and-identify-product
Find Parts and Identify Your Product | Delta Faucet
One handle DST cartridge used on most Delta motion DST kitchen and lavatory faucets. View RP50587 ... Mounting nut wrench for most DST Pull-down faucets. View RP60924 ... DST stem unit, no seats and springs. An arrow above the blue dot on the side of the stem unit indicates which side of the stem needs to be nearest the spout. View RP60400 ... Some common aerators. Check your parts diagram to confirm the correct one.
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YouTube
youtube.com › watch
What is a Shower Cartridge and How Does it Work | Install a Mixing Valve and Trim Kit - YouTube
Trouble with water temperature in a shower is often traced back to the shower valve. The temperature of the shower and the water flow are controlled by the s...
Published   July 24, 2024
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Quora
quora.com › How-do-you-identify-a-shower-valve-and-cartridge-shower-valve-DIY
How to identify a shower valve and cartridge (shower, valve, DIY) - Quora
Answer: start with the trim and any brands or logos you can see, if that leads nowhere, then you’ll need to identify either the valve body by removing the trim. if that fails, you’ll need to seenthe cartridge within the valve. requiring you to disassemble the valve. don’t forget to shut of the wa...
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Moen Solutions
solutions.moen.com › article library
Faucet Cartridges: Bathroom - Moen Solutions
May 22, 2025 - The chart below gives details to help identify which cartridge your faucet uses. If the installation year for the faucet is unknown, it may be necessary to remove the handle before you begin. For additional details on removing the handle, visit · solutions.moen.com and select the type of faucet you are working on.