What is a residential booster pump system and how does it work?

What is a residential booster pump system and how does it work?

A residential booster pump system consists of a centrifugal pump, pressure switch and a diaphragm tank (called pressure tank) and is designed to provide constant water supply throughout the home at a constant pressure that is required for satisfactory operation of gadgets in the bathrooms like showers etc.

In such a system, when water is drawn from any of the outlets such as taps, showers etc. water is supplied at a uniform pressure from the water stored in the storage tank (pressure tank). As more water is drawn continuously from the tank, the line pressure drops and at a pre-set pressure of the pressure tank, the pump will start-up (called cut-in pressure) and fill up the pressure tank with water. As the water consumption stabilizes and the pressure is maintained in the line, the pump will automatically stop (called cut-off pressure).

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