E61 Flow Control WHO'S THE Flow Control FOR? The single origin coffee drinker, that wants to get their favorite taste out of their selected coffee with the aid of taste profiling built into their machine. Flow Control unlocks a new world of brewing capabilities and the opportunity to experiment with all of the different nuances your coffee has to offer. Because, a machine with the Flow Control feature allows you to deliver any level of pre-infusion you want; you can profile coffee based on the age of that coffee, its roast level, variety, and origin; We will install the E61 Flow control onto any E61 brew group machine you purchase from us at no extra charge. We ship the pressure gage separate in the same box so as not to damage it It is easy to install with some Teflon tape
