Ceramic valve for Bosch built-in coffee machines

What is a ceramic valve and what is it for

The ceramic valve controls the flow of water or steam inside the coffee machine. It opens and closes individual circuits depending on whether the machine is brewing coffee, releasing steam or dispensing hot water. The ceramic construction ensures precise and repeatable switching with little wear during normal use.

Signs of wear or malfunction

• Water keeps flowing even when the circuit should be closed
• The coffee machine shows an error related to pressure or water flow
• Change in coffee taste caused by incorrect water dosing
• Unusual sounds when the valve switches, or it doesn't switch at all

Why replace this part in time

A leaking or stuck valve puts strain on other components, can cause water to leak inside the machine and lead to repeated error messages. Timely replacement prevents bigger failures and damage to surrounding parts.

How to choose the right part

Ceramic valves differ in dimensions, number of connections and control method, so always check compatibility in the product table before purchasing.

Compatible with

• CTL636EB1
• CTL636EB6
• CTL636ES1
• CTL636ES6
• CTL836EC6
• CM450101
• C17KS61H0 - N90
• C17KS61G0 - N90