Kludi Parts Flexx.Boxx 88066 concealed thermostatic valve (up to 2012)
Parts for the Kludi Flexx.Boxx concealed valve 88066. Up to and including April 2012, the 7480900-00 thermostatic element was fitted in this concealed valve; the ++820++++ (with stop/diverter) and ++825++++ (with stop valve) installation sets then only contained the chrome parts, for example the O-Cean / Zenta concealed thermostatic valve 388200545.
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Thermostatic element: 7480900-00.
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Stop/diverter (sets ++820++++): up to 03/2018 7451537Z-00, after that 7331937-00.
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Stop valve (sets ++825++++): up to 03/2018 7813837Z-00, after that 7356537-00.
Which concealed valve do you have?
You can tell by the article number of your installation set (the chrome exterior). Look at the 3rd, 4th and 5th digits, for example 388300545.
| Installation set |
Concealed valve |
Thermostatic element |
| ++820++++ / ++825++++ |
Flexx.Boxx 88066 (up to April 2012) |
7480900-00 (fitted in the concealed valve) |
| ++830++++ / ++835++++ |
Flexx.Boxx 88011 (May 2012 - 2024) |
7492600-00, from 2018 7639000-00 |
| ++810++++ / ++885++++ |
Slim.Boxx 88022 (from May 2024) |
7639000-00 |
| ++729++++ / ++739++++ (central thermostatic valve) |
88011 / 88022 |
7310800-00 |
Use the buttons at the top to switch between the versions.
Replacing the thermostatic element
- Turn off the main valve and cover the drain so that no small parts fall in.
- Open the volume control (on/off); no water should come out now.
- Pry the cap off the temperature control with a small screwdriver, loosen the screw underneath and remove the control.
- Slide off the locking sleeve and unscrew the chrome sleeve.
- Unscrew the large brass spindle completely and remove the thermostatic element.
- Insert the new (or descaled) thermostatic element and tighten it.
- Slide the locking sleeve back with the marking at the top, close the volume control and turn the main valve back on.
- From the factory, the element is set to approximately 38 °C. Do you want a different locking temperature? Let the water run and turn the spindle until you have the desired temperature. Then mount the temperature control with the locking button facing up and click the cap back on.
Tip: open and close the controls fully every now and then; this keeps the moving parts smooth. Remove limescale with a citric acid-based product and then rinse thoroughly; never use abrasive products.
Not sure which part you need? Send us a photo, we will find it for you!
