The expression Plug-and-play (PnP) refers to any device that does not need to be configured or which requires no parameters to be entered, but which instead works immediately after it is connected to the power source. The term originated in computing, but it can be applied to any technology, and in this case to industrial steam boiler installations.
ATTSU has auxiliary modular boiler rooms which are known as plug & play because of their easy installation and simple commissioning.
The WTC water treatment plant by ATTSU is a compact auxiliary unit which is plug & play.
