The PRO45B features a heavy-duty brass shank that resists cracking, corrosion, and stripping, while its internal design minimizes noise and eliminates water hammer. This Bottom Entry Float Valve is easy to install, preventing cross-threading with its brass shank, and is a preferred choice for professional plumbers. It offers fast, quiet refilling with absolute shut-off and is code-approved. The valve has a long-life performance, an anti-siphon design to prevent water supply contamination, and minimal water hammer. It is WRAS approved and comes with a 5-year warranty. The adjustable height ranges from 230mm to 355mm (9"-14").