A reliable 1/2″ bottom‑entry fill valve paired with a 6 in. ball float makes upgrading larger toilet cisterns quick and hassle‑free. Designed for both high‑ and low‑pressure domestic water supplies, this kit eliminates the noisy “water hammer” you hear after a flush by using a heavier, larger float than the standard 4½ in. version.
What’s inside
– 1 × 1/2″ straight bottom‑entry inlet valve (BSP thread)
– 1 × 6 in. plastic ball float with brass 5/16″ BSW thread
Key features
– Adjustable float arm (180 mm‑280 mm) fits a wide range of cistern depths
– Swivel adapter and pivoting thread simplify float installation and alignment
– Locking clip keeps the float securely in place, preventing drift over time
– Flow rate of 0.167 L/s at 2 bar and working pressure from 0.2‑6 bar ensures a strong, consistent flush
The valve’s plastic body is corrosion‑resistant, while the brass‑threaded float adds durability where it matters most. Full installation instructions are included, so even a DIY beginner can replace an aging valve in minutes.
Ideal for
– Larger traditional bottom‑entry toilet cisterns that accept a 6 in. float
– Homes seeking quieter flush cycles and reduced water‑hammer vibrations
Upgrade today for smoother operation, quieter performance, and a longer‑lasting fill system that meets BS 2456 standards.





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