The Polaris PB4-60 Booster Pump gives your pressure side pool cleaner a dedicated supply of pressure that allows it to clean the pool effectively. The PB4-60 Booster Pump includes an installation kit which comes with four connectors and six feet of soft tube hose. The booster pump is not self-priming, so it should only be in operation while your main circulation pump is running.This booster pump runs at 3/4HP and 115/230V and draws 12.8/6.4 Amps respectively. You can use the Polaris PB4-60 Booster Pump with any automatic pressure side pool cleaner that requires the use of a booster pump. Cleaners like the Polaris 280, 380, 3900 Sport, and the Kreepy Krauly Letro Legend are all compatible with the Polaris PB4-60 Booster Pump.Booster pumps provide your pressure side pool cleaner the water pressure it needs to run properly. The Polaris PB4-60 Booster Pump is a great booster pump to provide your cleaner the pressure it needs to help keep the pool clean and free of debris.Common Questions: What size are the PB4-60 inlet and discharge ports?The inlet and discharge are 3/4 inch.What HP is the motor?The motor is 3/4 (0.75) HP with a service factor of 1.5, making the max operating HP 1.125.Does it come with the installation kit?Yes, the PB4-60 comes with the installation kit. The kit includes: 6' soft tube hose and 4 connectors.What are the dimensions of the unit?The PB4-60 unit dimensions are 17" x 15" x 10". The weight of the item is 30.09 lbs.