A reliable 1/2″ side‑entry ball valve makes fixing a leaky toilet cistern quick and hassle‑free. Designed for both high‑ and low‑pressure systems, this valve features an adjustable float arm that slides to match most standard cistern depths (180 mm – 280 mm). The swivel adapter and pivoting thread let the ball float move smoothly, while the locking clip keeps everything securely in place.
Key benefits
– Easy‑fit 1/2″ BSP plastic thread works with the majority of traditional side‑entry tanks.
– Adjustable arm length eliminates the need for multiple parts.
– Swivel float adapter reduces wear and improves water flow consistency.
– Includes a full step‑by‑step installation guide—no extra tools required.
Technical details
| Specification | Value |
|---|---|
| Thread type | 1/2″ BSP (plastic) |
| Operating pressure | 0.2 – 6 bar |
| Flow rate @ 2 bar | 0.158 L/s |
| Adjustable arm range | 180 mm – 280 mm |
| Compatibility | Universal – fits most side‑entry toilet cisterns (verify dimensions before purchase) |
Replace a faulty valve in minutes and restore steady fill performance without professional help. This premium replacement is built for durability and easy adjustment, making it the go‑to choice for DIY homeowners and plumbers alike.





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