A water pump (hydromassage motor) draws water from the jacuzzi and pushes it through jets at high pressure, providing a powerful, targeted massage for muscles. An air blower, on the other hand, draws in ambient air and pushes it through small air jets at the bottom of the tub, creating thousands of soft bubbles for a gentler, full-body "champagne effect" relaxation. Both systems are designed for different massage experiences.

Motor power directly impacts the performance of the jacuzzi jets and the intensity of the massage. Insufficient power will result in weak water pressure from the jets, while the correct power ensures effective operation. As a general rule, approximately 1 HP of power can be calculated for every 8-10 standard water jets, but this can vary depending on the jacuzzi's volume and the type of jets.

The most crucial tip for extending motor life is never to run the jacuzzi without sufficient water, as the pump relies on water for cooling and lubrication. Regularly cleaning the suction strainer and using descalers periodically in hard water areas are also important. Common malfunction signs include the motor not starting, excessive noise during operation, water leakage from beneath the motor, and decreased jet pressure.

Beyond motor power, the quality and durability of the materials used in the pump's construction significantly affect its price. Pumps made from corrosion-resistant stainless steel or composite materials are generally more expensive. Additionally, pumps with simple control systems, such as pneumatic buttons, are more affordable, while complex control types with speed adjustment or digital panels increase the price.