A-31 - TidalWave A-Series Pump 1 HPTidalWave A Series Pump 1 HP A Series Direct Drive pumps are built for the highest head, high volume applications, to tackle the longest runs and tallest falls A Series pumps feature heavy duty cast iron and stainless steel housing for years of dependable service Powerful Direct Drive motors with dual drive bearings reduce maintenance to simply keeping the intake screen clean Double silicone carbide mechanical seals and dual drive bearings reduce