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Water saving cistern device
The Hippo and the Save-a-flush are both designed to save water each time you flush the toilet. These devices are FREE of charge to all domestic customers. Fitting one in a toilet cistern will save water each time you flush.
| Which device do you need for your toilet? | | Cistern Size | Year fitted | Hippo or Save-a-flush? | | 9 litres or more | 1991 or earlier | Hippo | | 7.5 litres | 1991 - 2001 | Save-a-flush | | 6 litres or less | 2001 or later | Neither (leave as is) |
| Possible ways to find out the size or year of your toilet | | 1. | Remove the lid and see if the size is marked anywhere inside. | | 2. | Decide what year the cistern was fitted. | | 3. | Flush the toilet and count how long it takes to flush – i.e. "1 litre; 2 litres; 3 litres... etc". The number you reach when it stops flushing will confirm its size | | 4. | If you have a slimline toilet cistern we recommend that only the Save-a-Flush is used. |
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