Ariston Clas ONE 30 Combi Boiler (8 Year Warranty, 10 Year from March 1st)

Product Details

Ariston Clas ONE 30 Combi Boiler – 3301044

The Ariston Clas ONE 30 Combi Boiler is a high-performance gas condensing boiler designed for efficiency, reliability and ease of installation. Featuring Ariston’s patented XtraTech™ stainless steel heat exchanger, this boiler delivers improved heating performance and long-term durability.

Now supplied with a 10 Year Warranty (valid from March by Plumbing Giant), the Clas ONE offers peace of mind alongside cutting-edge technology.

Advanced Performance & Efficiency

• Energy Class A for high efficiency heating
• 1:7 Modulation Ratio – adapts output to demand to reduce fuel consumption
• 12.5 litres per minute DHW flow rate
• 28kW Central Heating Output
• Energy saving Auto Function
• Super Silent operation for quiet comfort

Smart Control Compatibility

The boiler is fully compatible with Ariston NET, allowing remote control via the Ariston Net app when paired with the Ariston Cube S Net WiFi Wired Thermostat (3319126).

Installation Benefits

• Lightweight design (32.3kg) for easier handling
• Compact dimensions: 745mm (H) x 400mm (W) x 385mm (D)
• Connections in the same position for simple retrofit replacement of existing Ariston boilers
• LPG Conversion Kit included (Natural Gas & LPG compatible)

Flue Options

• Standard Horizontal Flue Kit (3318073)
• Ariston Vertical Flue Kit (3318080)
• Ariston Vertical Starter (3318079)

Technical Specification

The Ariston Clas ONE 30 is the ideal choice for homeowners looking for a reliable, energy-efficient combi boiler with smart connectivity and long-term warranty protection.