The Universal Wall Fitting for the Mercury Automatic Pool Cleaner is an essential replacement part designed to ensure a secure and efficient connection to your pool’s filtration system. Its universal compatibility and durable construction make it a reliable solution for maintaining proper suction and water flow during cleaning cycles. By keeping the cleaner firmly connected to the wall, this fitting helps prevent performance issues caused by weak or unstable connections. Without it, the Mercury cleaner may experience reduced suction and cleaning efficiency, making this part critical for optimal operation.