The High‑Pressure 1/2″ Side‑Entry Toilet Float Valve with Copper Ball Kit is a complete solution for modern side‑entry cisterns and cold‑water systems. Designed for reliability and hygiene, the kit combines a brass flush valve with a 4½” copper ball float that resists corrosion and inhibits bacterial growth—ideal for homes, water storage tanks, and even food‑processing applications.
What’s inside the kit
- 1 × 1/2″ high‑pressure Part 1 flush valve (BSP)
- Adjustable arm (≈210 mm)
- Two securing nuts & a pipe‑end screw cap
- 1 × 4½” copper ball float with brass threading (5/16″ BSW)
Key benefits
- High buoyancy & thermal conductivity – the copper float reacts quickly to water level changes, delivering consistent fill performance.
- Antimicrobial properties – copper naturally limits algae and bacteria, helping keep your water clean.
- Corrosion‑resistant construction – brass valve body and copper float withstand long‑term exposure to cold water.
Technical specs
| Component | Size | Thread | Material | Approx. Length |
|---|---|---|---|---|
| Flush valve | 1/2″ BSP | 5/16″ BSW (ball mount) | Brass | 295 mm |
| Copper ball float | 4½” | 5/16″ BSW | Copper (ball) / Brass (thread) | — |
Perfect for domestic cold‑water systems, expansion tanks, feed & vent lines, and any side‑entry toilet that demands precise water control. Upgrade your plumbing with a kit that balances performance, durability, and hygiene—all without the hassle of sourcing separate parts.





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