• Get the best quotes, fast!
  • Over 5,000 engineers across the UK
  • Gas Safe registered engineers

Need a New Boiler?

Are you the homeowner?

New boiler installation icon
Yes
New central heating installation icon
No

Get THE Best Deal

by quickly comparing 3 FREE quotes

  • Next day installation
  • Quotes from local engineers
  • 1.9 million quotes in 10 years
  • Save up to £500 on installation

The smarter way to find approved heating engineers

Excellent 4.8 out of 5 Trustpilot

Stay Safe.
Always use a Gas Safe registered engineer

Ariston Clas One R 24 Regular Gas Boiler

Boiler
Typical Price (inc VAT)
£0
Typical installation Cost (inc VAT)*
£500 - £1000
Sundries (Filter, Flue, etc)
£300
Make Ariston
Model Clas One R 24 Regular Gas Boiler
Is Condensing Yes
Efficiency Rating 94%
Band Rating A Rated
LPG Compatible No
Standard Warranty 8 Years
Central Heating Max. Output 21 kW
Mounting Wall
Flow Rate N/a
Typical Price (inc VAT) £0
Typical installation Cost (inc VAT)* £500 - £1000
ERP Rating A HEAT

* This is a guide price for a straightforward, like-for-like boiler replacement. Installation costs will vary dependent on work required.

Get your best deal

Quickly compare 3 FREE quotes

  • Quotes from local engineers
  • Get quotes today, installed tomorrow
  • Finance options available
  • Save up to £500 on installation
Get Quotes Now It only takes 30 seconds
0330 808 0405
Call us to get quotes

We will get you the best deal!

0330 808 0405
4.7/5 out of 27,142 reviews

1,8 million quotes provided in 10 years

Product Description

The Ariston Clas One R 24 is a highly efficient condensing regular boiler with a central heating output rating of 21 kW.

How efficient is the Clas One R 24?

If you're looking for a regular boiler that could help to lower your heating bills then this is the one. A 94% efficiency, making it ErP A-rated, means that it produces more heat from less fuel than an older boiler.

Is the output rating suitable for my home?

This boiler is well suited to homes with 10-15 radiators thanks to the 21 kW output rating.

Are any other options available in the range?

The Clas One R 24 is the only regular boiler in this range. However, Ariston also manufacture combi and system boilers.

Is a regular boiler suitable for my home?

You should only really be considering a regular boiler if you already have one installed. This is because they have a very complex network of pipes. You'll know if you have a regular boiler as there will be a feed and expansion tank in the loft.

How long is the warranty period?

Available with an 8 year warranty as standard, you'll be well covered after the installation of the Arison Clas One R 24.

What are the key features of the Clas One R 24?

The Ariston Clas One R 24 has a lot to offer. It's compact, quiet during operation, easy to install (which could save you money), includes anti-frost technology to avoid freezing during the winter and includes the Xtratech stainless steel heat exchanger for increased efficiency and reliability.

How big is the Clas One R 24?

This is a compact boiler with dimensions of 595x400x290mm (HxWxD) which means that it won't take up much space.

Get your best deal

Quickly compare 3 FREE quotes

  • Quotes from local engineers
  • Get quotes today, installed tomorrow
  • Finance options available
  • Save up to £500 on installation
Get Quotes Now It only takes 30 seconds
0330 808 0405
Call us to get quotes

We will get you the best deal!

0330 808 0405
4.7/5 out of 27,142 reviews

1,8 million quotes provided in 10 years

Need a new boiler?

Get FREE no-obligation quotes now!

Are you the homeowner?

Yes
Yes
No
No

Find approved boiler engineers
in your area.

Begin your search by entering your postcode below.

Or select your region from the list and start your search