4 way pipe inlet valves deliver a stable water outlet and low noise operation for bathroom renovation projects. Inlet valves feature excellent sealing performance and adjustable float height, allowing you to easily control water flow. Designed for both enthusiasts and professional plumbers, the side entry inlet valves provide a faster and cleaner water supply, making them suitable for upgrading toilets. For home or commercial spaces, needle valves support side water tanks, helping prevent water leakage and delivering hassle-free plumbing. Use scenarios - Home bathroom renovation: Install these valves to achieve quiet operation, stable water outlet, and reliable fill control during the upgrade. - Toilet upgrade projects: Use the adjustable float height to tune water flow precisely for optimal toilet performance. - Commercial plumbing installations: Fit the needle valves to side water tanks in offices or facilities to reduce leaks and ensure a clean, efficient water supply.