Toilet repair part
Toilet Flush Valve Seal Kit
A replacement rubber seal (and usually a flapper) for the valve at the bottom of the cistern. This is the part that hardens over time and lets water trickle into the bowl continuously.
Last updated:
Berbaloi Score
8.6/ 10Berbaloi
- Strength: Directly fixes the most common cause of a constantly running toilet
- Strength: Far cheaper than a plumber call-out for the same job
- Caveat: Cistern fittings are not universal — you need to match your model
- Caveat: Requires shutting off the water and opening the cistern
Information confidence: Medium
The repair itself is well established, but fit varies by cistern brand. Check your existing part before ordering.
Best for
- A toilet that keeps refilling on its own
- Water trickling into the bowl
Not for
- Leaks from the base of the toilet
- Cracked cistern bodies
Pros
- Solves a leak that quietly wastes water every day
- Usually a 20-minute job
Cons
- Sizing mistakes are common
- Some cisterns need the whole valve replaced instead
Where to buy
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Shopee
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Lazada
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