Steam boiler tube to venturi valve

What is the steam boiler tube

This is a connecting tube or hose that carries water or steam between the boiler, pump, thermoblock or brewing head. It ensures that the coffee machine's pressure circuit stays sealed and the medium flows exactly where it should, without leaks or pressure loss.

When the part stops doing its job

Due to material aging, repeated thermal stress or mechanical damage, the tube can lose its flexibility, crack or come loose from the joint. This shows up as dripping or leaking water or steam, weak or unstable pressure during coffee brewing or milk frothing, or hissing at the connection point.

When it's time for a replacement

A damaged tube carries the risk of a bigger leak, reduced performance and, in worse cases, damage to surrounding components due to moisture or overheating. Timely replacement prevents a larger repair and keeps the machine running smoothly.

How to choose the right part

Since individual tubes differ in length, shape and connector type depending on the specific connection point, always check the exact match in the compatibility table on the product page.

Compatible with

• SES990
• SES980
• SES920