Rancilio pipe pressure switch classe 5 1gr 10042149

What is the boiler pressure sensor tube

This is a connecting tube that carries pressure from inside the boiler to a sensor, pressure switch, or manometer. Thanks to it, the control electronics or mechanical switch receive accurate information about the current steam pressure, which is used to regulate heating and ensure the safe operation of the coffee machine.

Signs of wear or malfunction

If the tube loses its seal, cracks, or becomes clogged with limescale, the sensor receives distorted or no data at all. This can result in incorrect pressure readings on the manometer, fluctuating water temperature, steam or water leaks at the connection point, or a coffee machine error message related to boiler pressure.

Why replace this part in time

A damaged tube can cause the boiler to overheat or, conversely, fail to reach the correct pressure, affecting both extraction quality and operational safety. Timely replacement prevents larger leaks and protects the connected sensor or switch from unnecessary strain.

How to choose the right part

Tubes vary in length, shape, and connection type depending on the specific coffee machine model, so be sure to check compatibility in the product table before purchasing.

Compatible with

• CLASSE-5-S-TANK-1GR (20180223-)
• CLASSE-5-USB-1GR (20170720-)
• CLASSE-9-USB-X-CELSIUS (20121212-)
• CLASSE-11-USB-XCELSIUS (20180223-)
• CLASSE-5-S-1GR (20220325-)
• CLASSE-5-S-TANK (20221202-)
• CLASSE-5-USB (20180525-)
• CLASSE-9-USB-XCELSIUS (20161013-)