The Megaflo 95605021 Multibloc Inlet Control Valve is a high-quality replacement for Heatrae Sadia Megaflo unvented cylinders. This cold water combination valve includes a 3-bar pressure reducer, 22mm isolating valve, and strainer, ensuring optimal system performance and safety. Compatible with various Megaflo and Megatech cylinders, it is a verified component (218-388-0003).