At Expert by Net, we understand that a breakdown at home always happens at the worst possible time and can put pressure on the household budget. That is why we offer a smart alternative to repair your boiler without overspending : the DIFF® own brand.

Choosing a DIFF® own-brand part means selecting a solution that is significantly more affordable than the manufacturer’s branded part, while maintaining impeccable professional quality.

Qualité DIFF

The DIFF® own brand : Original quality, without the premium price

A spare part does not need to be sold at a premium under your manufacturer’s brand name to deliver high performance. DIFF® parts are original components produced in the same factories as so-called “branded” parts.

● Immediate savings :

This is the main advantage of the own brand. A DIFF® part is consistently more affordable than the manufacturer’s branded part for your boiler or equipment.

● 100% preserved quality :

These parts strictly comply with the original manufacturers’ specifications. They offer a level of technical performance and quality that is fully equivalent, ensuring reliable operation.

● Compatibility and optimisation :

The DIFF® parts fit your installation perfectly, with guaranteed interchangeability.

● Proven reliability :

More than 20 million DIFF® parts are already installed in homes, ensuring long-lasting repairs every day.

Developed in France, the DIFF® own-brand range is the result of in-depth research designed to offer the best quality-to-price ratio on the market.

Tested under real conditions : Each DIFF® part is tested in our French laboratory, directly on the relevant equipment, to validate its durability, safety and tightness.
Advanced manufacturing : DIFF® parts rely on robust manufacturing technologies to provide products built to last, helping to avoid frequent replacements.

ⓘ Good to know : The use of a DIFF® part cannot legally lead to the exclusion of your boiler manufacturer’s warranty.

Carry out your own repair safely or supply the DIFF® part directly to your tradesperson, backed by the expertise of Expert by Net. This means choosing a smart, long-term and far more cost-effective repair solution for your entire home.