Hayward AquaNaut 400 Suction Side Cleaner | W3PHS41CST Style_Vantage The tune-up kit is a

The tune-up kit is a bundle of replacement parts made by Polaris

The rear cover kit is a replacement part made by Pentair

could be due to the scrubber or strip clip being worn

The three 1

Less noise

Hayward AquaNaut 400 Suction Side Cleaner | W3PHS41CST Style_Vantage The tune-up kit is aHayward AquaNaut 400 Suction Side Cleaner W3PHS41CST The AquaNaut 400 automatic suction pool cleaner was amongst the first clog eliminating and all terrain suction cleaners on the market and remains the best in the class. AquaNaut is designed with patented technologies that deliver superior traction, power, and balance for pools of all shapes and sizes debris types, and flow rates. The self adjusting variable vanes known as V Flex technology,