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🚽 Upgrade your flush game with precision and durability!
The Ibergrif M20521 Toilet Cistern Inlet Valve features a G3/8 inch thread size compatible with most dual flush systems, supporting both bottom and side inlet installations. Crafted from premium ABS with brass fastening nuts, it offers exceptional durability rated for 100,000 cycles. Its adjustable float valve allows precise water level control, while an integrated filter ensures clean water flow. Designed for easy installation and reliable, quiet operation, this valve is a smart, long-lasting upgrade for modern toilets.









| ASIN | B0BKSQ5VN1 |
| Best Sellers Rank | 80,119 in DIY & Tools ( See Top 100 in DIY & Tools ) 92 in Toilet Tanks |
| Brand | Ibergrif |
| Connector Type | Slip |
| Country of Origin | España |
| Customer Reviews | 4.1 out of 5 stars 3,164 Reviews |
| Exterior Finish | Brass |
| Exterior finish | Brass |
| Included Components | 1*toilet cistern fill valve 1* Water pipe 1*Instruction Sheet |
| Inlet Connection Size | 0.38 Inches |
| Inlet Connection Type | Tip solder at |
| Inlet connection size | 0.38 Inches |
| Inlet connection type | Tip solder at |
| Item Dimensions | 24.5 x 12.2 x 6.3 centimetres |
| Item Type Name | toilet cistern fill valve |
| Item dimensions L x W x H | 24.5 x 12.2 x 6.3 centimetres |
| Manufacturer | Ibergrif Griferias SL |
| Material | Acrylonitrile Butadiene Styrene (ABS) |
| Maximum Pressure | 16 Bars |
| Model Number | M20521 |
| Number of Items | 1 |
| Number of Packs | 1 |
| Number of Pieces | 1 |
| Number of Ports | 1 |
| Outlet Connection Size | 0.38 Inches |
| Outlet Connection Type | G Connector |
| Part Number | M20521 |
| Set Name | Multi Color |
| Size | 13.3 cm x 28.5 cm x 6.9 cm |
| Specification Met | CE, ISI |
| Thread Size | M13-17 |
| Thread Type | Metric, Pipe |
| Unit Count | 1.0 count |
| Valve Type | Float Valve |
6**0
Does the job.
Slightly fiddly getting it just right but very effective, quiet and adjustable. Well designed and can work around awkward cisterns.
M**S
Good service
Good product
R**E
Good quality
Didn't fit my old existent system, but seems to be good quality
P**O
Toylet
I ordered it by accident without checking, the thread was too small, but the quality was high, there was no problem with returning it
H**Y
Nice piece of kit, but incompatible with UK fittings.
Standard connection for 15mm pipe in the UK is 1/2 inch BSP. This inlet valve came with a thread I had never encountered before, so I returned it. Whole process was very easy, now quibble, no fuss. It looks like it would be easily adjusted, but I never needed to.
K**R
Dont Buy
Does not fit a standard UK 1/2 BSP I drove miles on Saturday trying to find an adaptor, in the ned I gave up & brought a Flowmaster.
N**N
End result is great....
Filler unit: Easy too fit, works as it should, just remember it probably won't be a straight swop with your existing system, you will need a 3/8 connection. For example in my case, a flexi 15mm to 3/8 tap connector. Flushing unit: what a nightmare, outlet is 60mm, hole in bottom of cistern 2in /50mm. Tbh, unless you take out your old unit you probably wouldn't know, anyway, got out a grinding stone on a drill, 3 hours later, a 60mm hole, end result is perfect, works great.
J**K
Works great and pretty easy install.
Just a quick note, make sure your current cold water inlet fits the 3/8 connection. I forgot to do that and ended up having to shop around for some connections to make a feed that makes it fit the BSP connection. Besides that, installed great and been working couple months no issues.
D**E
Ce n'est pas chinois.
En effet, l'installation est très simple. Comme il y a beaucoup de calcaire chez nous, plutôt que d'acheter des produits onéreux et pas toujours efficaces, je préfère remplacer le matériel plus souvent. J'ai opté cette fois pour cette marque espagnole pas très chère. Le robinet est facile à installer, très efficace et surtout très silencieux. Il prend peu de place et le changement du sens d'alimentation est très simple. Ne pas oublier de brancher le tuyau souple avant d'ouvrir l'eau sinon c'est la douche assurée. Le système de réglage du flotteur n'est pas courant mais très efficace. Pour une installation et un résultat optimal, faut bien lire le mode d'emploi uniquement en Anglais. Il est possible d'obtenir le mode d'emploi en français via un code QR. Je reprendrai cette marque la prochaine fois.
T**L
Spłuczka
Dobrej jakości spłuczka
J**S
Works great after adjustment
Good price, but to install in Sweden you need to buy a sizing nut to adapt to Swedish pipes
J**G
TopArtikel
Sehr einfach zu installieren, funktioniert super.
J**S
Buen funcionamiento
La cisterna empezó a llenarse de forma irregular y a hacer más ruido de lo normal, así que opté por cambiar la válvula completa en lugar de intentar reparar la antigua. Este modelo de Ibergrif ha resultado ser una solución sencilla y bastante eficaz. La instalación fue más fácil de lo esperado. Al ser compatible con alimentación lateral o inferior ofrece bastante flexibilidad y facilita el montaje en diferentes tipos de cisternas. Con unas herramientas básicas quedó instalada sin demasiadas complicaciones. Una vez en funcionamiento, la diferencia se nota enseguida. El llenado es más uniforme y el mecanismo trabaja de forma suave, sin los ruidos molestos que tenía anteriormente. Además, el nivel de agua se puede ajustar fácilmente para adaptarlo a las necesidades de cada cisterna. Los materiales parecen correctos y transmiten una sensación de calidad adecuada para este tipo de recambios. No se aprecian holguras ni piezas que parezcan especialmente frágiles, algo importante en un componente que está funcionando constantemente. También es de agradecer que permita solucionar el problema sin necesidad de sustituir toda la cisterna o realizar reparaciones más costosas. En muchos casos, una pieza como esta devuelve el funcionamiento normal al inodoro con una inversión bastante reducida. En general, un recambio práctico, fácil de instalar y que cumple perfectamente con su función. Una buena opción para reparar problemas de llenado y dejar la cisterna funcionando correctamente de nuevo.
Trustpilot
2 months ago
2 months ago