Ariston Clas ONE R prices
The Ariston Clas ONE R costs from £700 to £1,200 for the boiler only and £2,200 up to £3,500 with full installation. With the final installation price being dependent on the size of boiler required and the level of complexity of the job type and any other additions to the installation.
- The most powerful boiler in the range is £500 more than the least.
See our full guide on Ariston boiler prices for all details on the boiler types and ranges they produce
Prices per model
| Clas ONE R | Fuel | Output | Average Boiler Only Price | Average Price with installation | Quote |
|---|---|---|---|---|---|
| Conventional | Gas | 15kW | £700 | £2,200 | Free Quote |
| Conventional | Gas | 24kW | £1,200 | £2,700 | Free Quote |
Ariston Clas ONE R boiler range
The Clas ONE R is Aristons conventional boiler range and was launch in August 2024 to replace the retired Clas HE R boiler.
- It's available as a 15kW (small home) and a 24kW (medium home) conventional boiler.
- Uses the XtraTech™ stainless steel heat exchanger to achieve higher boiler efficiency.
- Only available as a gas boiler.
Key features
- Fuel: Gas
- Boiler type & output (kW):
- Conventional 15kW, 24kW
- Dimensions (mm): 595 h x 400 w x 295 d
- Solar Compatible: No
- ErP Efficiency rating: A (94% efficiency in central heating)
- Quiet mark accreditation: 50dB
- Guarantee: 8 years
- Weight: 30kg
- Easy to use: simple controls and clear display
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