For a limited time, we’re extending the warranty on our Clas One combi gas boiler range. Between 1st March and 31st August 2026, any Clas One boiler purchased, installed and registered via the EXPERT product registration portal in this period will qualify for the 10‑year warranty at no extra cost.

Why Choose the Clas One?

The Clas One range is designed for performance and reliability, featuring:

• XTRATECH™ stainless steel heat exchanger with wider pipes for improved heating performance
• High domestic hot water flow rates
• A‑rated energy efficiency
• Ariston NET app compatibility for remote management and smart control
• Quiet operation

Why We’re Offering This Promotion

National Sales Manager, Jamie Shaw, explains:

“At Ariston, we are always looking for ways to support our installers with technical expertise and heating solutions that are energy efficient without compromising on performance. That’s why we have introduced this promotion which offers a longer warranty at no extra cost.

“Our Clas One combi gas boiler range is known for its reliability, performance, and competitive pricing, and this increased warranty will help installers give their customers additional peace of mind, offering their customers the very best when it comes to thermal comfort.”

How to Claim

1. Register here or contact your local ASM