Unic double steam and pump pressure gauge — Ø 70 mm, 0–20 bar
Part no. ET-100330
Double pressure gauge for Unic machines, reading 0 to 3.5 bar for the boiler and 0 to 20 bar for the pump. The body measures 63 mm, the visible bezel 70 mm and the fittings are 1/8″ male. A single dial therefore carries both readings that guide daily adjustment behind the bar: steam pressure and brew pressure.
It is listed for Unic espresso machines and mounts with 1/8″ male fittings. What decides the fit is the panel cut-out: a 63 mm body with a 70 mm bezel. If in doubt, send us the machine model and a photograph of the fitted gauge.
What scales does the dial carry?
Two: 0 to 3.5 bar for boiler pressure and 0 to 20 bar for pump pressure. The pump scale is deliberately wide, so that it follows both the working pressure and the start-up peaks of the hydraulic circuit.
What is the difference between the 63 mm body and the 70 mm bezel?
The 63 mm body is the part that goes through the panel cut-out and the 70 mm bezel is the visible rim that sits on the panel. Confirm both measurements before ordering, because a wider bezel may not seat on panels with little free space.
How do I know the gauge is no longer trustworthy?
A needle that does not return to zero at rest, a lens clouded by moisture inside the case, and readings that do not follow how the machine behaves, that is, normal foam and shot timing with odd figures on the dial. At that point the instrument is no longer any use for adjustment.
What does replacing it involve?
The machine must be switched off and the boiler cold and depressurised before the fittings are undone. Tighten with two spanners, one holding and one turning, so the tube is not twisted, and use fresh sealing. Request a quote using the form on this page; we ship to Portugal and throughout Europe.
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