A reliable low‑pressure toilet cistern ballcock that combines a 2‑valve flush system with a 6‑inch plastic float is the perfect upgrade for side‑entry or cold‑water cisterns. Designed for larger tanks, the heavier 6″ float dampens water‑hammer and reduces the familiar flushing noise, delivering a smoother, more powerful flush every time.
What’s in the kit
– 1 × ½″ low‑pressure Part 2 flush valve (BSP, side‑entry) with two securing nuts
– 1 × 6″ plastic ball float with a brass threaded mount (5/16″ BSW)
Key features
– Robust brass construction for long‑lasting durability
– Adjustable arm (210 mm length, 85 mm height) for precise float positioning
– Rotatable float thread for easy fine‑tuning
– Meets BS 1212/2 and BS 2456 standards – fully compatible with domestic cold‑water systems
Why choose this kit?
The oversized float adds weight that absorbs pressure spikes, eliminating the typical “bang” of water hammer. Its larger size also ensures a consistent water level, improving flush performance without extra water waste.
Upgrade your bathroom’s reliability and quietness with this premium low‑pressure ballcock kit – a straightforward replacement that meets modern plumbing standards while keeping installation simple.





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