What is the easier way to connect a VFD inverter pump with water pipe?

A VFD / VSD Inverter Constant Pressure Booster Pump with union pipe connectors can be easily and quickly connected to the water piping. Moreover, when maintaining and servicing is needed, it will be very convenient that a VFD / VSD Inverter Constant Pressure Booster Pump with union pipe connectors to be disconnected from the water piping.

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