The Heatrae Sadia Megaflo Multibloc Control Valve with Pressure Relief is a crucial component for indoor storage tank water heaters. This product, manufactured by Heatrae Sadia, ensures precise control over the water flow and pressure relief for optimal performance. Designed for ease of installation and maintenance, this valve is a reliable choice for efficiently managing hot water supply in your home or business. In this package you will receive the isolation valve the pressure reducing valve the blower valve all nuts and drain off valve for cylinder and extra nuts for cylinder tongue dish and blow off cover