Rain Aid by Apex Valves

Rain Aid® by Apex Valves The Rain Aid is a supplemental valve that allows you to integrate your normal water supply as a backup to your rain harvesting system. The Rain Aid opens, allowing water from a normal water source to fill and maintain the tank water level when it drops below a pre-set limit. This supplements your rain harvesting and does not at all impede normal rain collection. Backup water supply control valve for rainwater collection. The RainAid® ("RA20") valve is designed to be connected to the main water supply on a rainwater retention tank. It provides a backup supply of water in the event of demand exceeding the on-hand supply of rainwater, whilst ensuring maximum rainwater storage at the next rainfall. Under normal conditions, rain water will fill the tank. If the rainwater level drops below a pre-set level, the Rain Aid® will open to maintain the water level using the main water supply system. The rainwater tank is used to supply water to non potable outle