The Sirai pressure switch is suitable for most commercial and some domestic Italian/European espresso machines. This product controls the boiler pressure/temperature and is adjustable. When the pressure switch (pressurestat) occasionally malfunctions due to scale build up, it is simple to replace.
Sirai P302/6 30A Three Phase. CE-UL Approved 3 poles. Male thread 1/4 inch for pipe Ø 4 x 6 mm, adjustable pressure range 0.5 to 1.4 bar, max breaking capacity: 30A – 400V a.c. (AC1)