
Available
The 3-way diverter valve cartridge ensures a tight seal and holds the piston securely inside the valve. It plays an important role in regulating water flow and helps ensure the heating system runs smoothly.
The cartridge helps to ensure the reliability of the 3-way valve by minimising pressure losses and the risk of leaks. It also makes servicing easier by ensuring a stable and long-lasting attachment.
Technical information:
Correct installation ensures the safety and correct operation of the heating system.
Safety information:
Before performing any work, switch off the power supply to the unit and shut off the water and gas systems.
Additional information:
This part is an original spare part from parts manufacturer, it is labelled and packaged under the DIFF distribution brand
Features of product: CARTRIDGE DIVERTER VALVE- DIFF POUR DE DIETRICH CHAPPÉE - 7726370

Maintaining a De Dietrich Chappée boiler or heat pump requires precise components. However, precision doesn't have to break the bank. The DIFF brand has established itself in the market to offer a clear solution: technical quality at a fair price.
On this page, you will find all DIFF references compatible with the De Dietrich and Chappée universes, from ignition to hydraulics.
DIFF's pricing strategy is a major asset. While these parts are more affordable than those packaged by the manufacturer, this is not at the expense of quality.
This price difference is explained by an optimized distribution chain and simplified packaging. You pay for the product's technical function, not for the brand label on the box. It's the ideal solution for controlling the repair cost of a De Dietrich Chappée boiler.
It is crucial to understand what you are installing. The parts presented here are not manufactured by the boiler’s manufacturer. However, DIFF and DIFF Isotherm parts are designed according to our own specifications, ensuring compatibility and quality equivalent to original manufacturer parts.
They meet the definition of "original parts in the regulatory sense," manufactured in accordance with the technical specifications necessary for the proper functioning of your heating system.
Important: The use of DIFF or DIFF Isotherm parts does not void the manufacturer's warranty, as long as they are correctly installed and comply with safety requirements.
Therefore, you can install a DIFF part on your De Dietrich Chappée equipment with complete peace of mind: it is legal, safe, and it's your right.
To ensure you order the correct reference, we use manufacturer brands solely as a reference to indicate the product’s intended use.
Check the reference of the faulty part on the exploded view of your De Dietrich Chappée device.
Enter this reference into our search engine.
If a DIFF alternative exists, it will be offered to you with its advantageous price and compatibility notice.
Make the choice for technical expertise and savings with the DIFF range at ExpertByNet.
| Carrier | Information | Price | Delivery |
|---|