A reliable upgrade for larger side‑entry toilet cisterns, the 1/2″ high‑pressure ballcock valve with a 6‑inch plastic float delivers a strong, consistent flush while cutting down on water‑hammer noise. Designed for domestic cold‑water systems, this kit replaces the standard 4½‑inch float with a heavier 6‑inch ball, giving you smoother operation and quieter performance.
What’s inside
– 1 × 1/2″ high‑pressure side‑entry flush valve (BSP thread) – includes two securing nuts and a pipe‑end screw cap
– 1 × 6″ plastic ball float with brass‑threaded mount (5/16″ BSW)
Key features
– High‑pressure design (BS 1212/1) for robust flushing in larger cisterns
– Adjustable arm length (≈210 mm) and total valve length ≈295 mm for easy fitting
– Brass construction ensures durability; the float’s plastic body resists corrosion
– Compatible with most side‑entry toilets that accept a 6‑inch float – check your cistern dimensions before ordering
By increasing the float’s size and weight, the kit dampens the surge of water that causes hammering, giving you a quieter bathroom experience without sacrificing flush power. Ideal for homeowners looking to upgrade an older system or install a new high‑performance toilet, this valve‑and‑float combo offers a straightforward, plug‑and‑play solution that meets British Standard specifications (BS 2456). Upgrade today for a cleaner, quieter flush.





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