The part that is actually running, not the whole cistern · review
The manufacturer's own valve for one specific Geberit cistern — which is either exactly right for you or completely wrong, and the listing says which.
The bottom line Right for one cistern and wrong for every other. Check the number moulded into your own before ordering — the listing gives you the means to.
A Geberit Type 380 fill valve for the manufacturer’s surface-mounted cistern number 240.700, side entry at 3/8 in, with the fill height set by turning a spindle, in noise group I to DIN 4109.
Almost every other valve in this hub says “universal”. This one names one cistern.
That is either a problem or the entire reason to buy it. Lift your cistern lid and read the number moulded into the plastic. If it says 240.700, this is the part designed for it and nothing else needs to be checked.
Fill height set by turning a spindle rather than sliding a clip. It is repeatable: you can go back and change it by a known amount, which matters when a cistern is filling a centimetre too high and dribbling into the overflow.
The quiet classification to DIN 4109, same as the best universal valve in this hub. On a surface cistern in a family bathroom that is a comfort rather than a necessity.
Certainty now, and availability in ten years. Genuine parts for this manufacturer’s cisterns stay orderable long after generic equivalents have been discontinued.
On sale from 30 € to 40 € on the German, French, Italian and Spanish Amazon stores at the time of checking.
Also on sale on the American and British Amazon stores, in the local currency: the range above is measured on the euro stores only.
Prices and availability are what Keepa reported on the date this page was updated; both move.
Prices quoted in this text were read on 5 September 2026. The live price is at the top of the page.
| Valve type | Geberit fill valve Type 380 — stated |
|---|---|
| Cistern opening diameter | Not stated as a figure — the valve is specified for Geberit surface cistern no. 240.700 |
| Adjustable height range | Fill height adjustable by turning the spindle — stated; no range is given |
| Inlet connection | 3/8 in — stated |
| Inlet position | Side entry, for surface-mounted cisterns — stated |
| Stated flush volumes | Not stated by the maker |
| Amazon reference | B0016KZD7S (same reference on 6 Amazon marketplaces) |
| EAN | 0402153427015 |
It is usually moulded into the plastic inside the cistern lid or on the body. Lift the lid and look before ordering — this valve is specified for 240.700, and "it looks similar" is not the same statement.
On a concealed cistern, unquestionably — the panel comes off once. On a surface cistern it is a smaller argument, and a universal valve at half the price will usually do. What you are buying is the certainty and the availability of the part in ten years.
Cistern set · TECE F10 fill valve, works 0.5–10 bar · armoured 3/8 in hose to 2019 · TECE A2 outlet valve for 13 cm cisterns · NOT for Uni 750
A three-part TECE service kit that publishes an operating pressure range and states, twice, exactly which cisterns it does not suit.
Best for: A concealed TECE cistern being serviced properly, where opening the wall twice is not an option.
≈ 94 €
Fill valve · universal · telescopic outlet tube · stepless adjustment · stated quiet and fast filling
A sixteen-euro universal fill valve with a telescopic tube and stepless height adjustment — and a listing consisting of five hashtags.
Best for: A quick, cheap replacement in a common surface-mounted cistern, by someone who can see what they are replacing.
≈ £15 / 16 €
Fill valve · horizontal (side) entry · 3/8 in inlet · dirt filter · anti-water-hammer system · two seals supplied · 10-year warranty stated
A side-entry fill valve that states its thread, its inlet position and a ten-year warranty — plus a dirt filter and an anti-hammer feature.
Best for: A side-entry cistern where the mains supply is noisy or dirty, and where the person fitting it has never fitted one.
≈ 17 €
