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MPN: 7668935

Estimated Delivery: 3 - 5 Working Days

Baxi 24kW Heating Only Boiler

Baxi 24kW Heating Only Boiler


Regular price £983.78 Excl. VAT
£1,180.54 Incl. VAT
Sale price £983.78 Excl. VAT
£1,180.54 Incl. VAT
Regular price
*For business & Trade Accounts only.
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Key Information

Product Information

Baxi 24kW Heating Only Boiler

The Baxi 424 24kW Heating Only Boiler is a compact and lightweight heat-only boiler from Baxi's 400 Series. Weighing just 19.5kg, it is designed to be easy to handle and install, making it a practical option for domestic heating installations where space and ease of fitting are important. Also known as a regular, open vent or conventional boiler, the Baxi 424 features a wall-mounted design and compact dimensions that make it suitable for installation in a standard kitchen cupboard where the required installation conditions are met. It provides a straightforward heating solution with concealed controls and an easy-to-read LED operating display.

24kW Heating Output

This model provides a 24kW heating output, making it a suitable option for properties requiring this level of central heating capacity. The boiler forms part of the wider Baxi 400 Series, which is available in different output options.

Compact and Lightweight Design

At just 19.5kg, the Baxi 424 is designed to be particularly lightweight compared with many conventional boilers. Its compact construction makes handling easier during installation and allows the boiler to be positioned discreetly in a suitable kitchen cupboard.

Flexible Flue Options

The boiler uses a 60/100 flue system and offers versatile flue arrangements, including a rear flue option. This provides installers with greater flexibility when planning the installation and can make it easier to accommodate different property layouts.

Simple Installation

The Baxi 424 has been designed with straightforward installation in mind. It does not require a pump over-run or permanent live switch, helping simplify the installation process for suitably qualified heating professionals.

Easy-to-Use Controls

The boiler features concealed controls to maintain a neat appearance, while the LED operating display provides a simple way to view the boiler's operating status. These features keep everyday operation straightforward without adding unnecessary complexity.

Suitable for Open Vent and Sealed Systems

The Baxi 424 Heating Only Boiler is suitable for both open vent and sealed heating systems, providing flexibility when replacing an existing heat-only boiler or installing a compatible domestic heating system.

Key Features

  • Baxi 424 24kW Heating Only Boiler
  • Part of the Baxi 400 Series
  • 24kW heating output
  • Weighs approximately 19.5kg
  • Compact and lightweight design
  • Wall-mounted installation
  • Suitable for cupboard fitting where permitted
  • Uses a 60/100 flue system
  • Rear flue option available
  • Quick and easy to install
  • No pump over-run required
  • No permanent live switch required
  • Concealed controls
  • LED operating display
  • Suitable for open vent systems
  • Suitable for sealed systems

Frequently Asked Questions

What is the output of the Baxi 424 Heating Only Boiler?

The Baxi 424 model featured here has a 24kW heating output, making it suitable for properties requiring this level of central heating capacity.

Can the Baxi 424 be installed in a kitchen cupboard?

Yes. Its compact dimensions make it suitable for installation in a standard kitchen cupboard where the manufacturer's required clearances, ventilation and other installation requirements are satisfied.

What type of flue system does the Baxi 424 use?

The Baxi 424 uses a 60/100 flue system and offers versatile flue options, including a rear flue configuration, providing additional flexibility during installation.

Why Choose Us

At JJ Building Materials, we're committed to supplying quality building products at competitive prices, backed by the service and expertise you'd expect from an established independent merchant. Whether you're a trade professional managing large-scale projects or a homeowner taking on a DIY renovation, we're here to help you find the right products for the job.

As part of the JJ Roofing Supplies Group, we build on decades of experience supplying construction materials across the UK. We've expanded beyond roofing to offer a growing range of building materials, including timber, insulation, landscaping products, plumbing supplies, flooring, doors, bricks, fencing, garden buildings and much more – all available to order online with nationwide delivery.

We work with many of the industry's leading manufacturers to bring you trusted products that meet the highest standards of quality and performance. Our team is passionate about providing excellent customer service, competitive pricing and a straightforward shopping experience from start to finish.

When you shop with JJ Building Materials, you can expect:

  • Competitive prices on leading brands and quality products.
  • Nationwide delivery across the UK
  • A constantly expanding range of building and landscaping materials.
  • Friendly, knowledgeable customer support.
  • A trusted business backed by the JJ Roofing Supplies Group.

Delivery

Every order is personally reviewed by our experienced team to ensure everything is correct before dispatch. We offer delivery from as little as the next working day on selected products, so please refer to the dark blue Estimated Delivery box above for the expected delivery timeframe for this item.

We work with trusted manufacturers and specialist delivery partners to ensure your order arrives safely and on time. You'll receive tracking details once your order has been dispatched, and if we need to confirm any delivery details, one of our team will contact you directly to keep everything running smoothly.

Roof Tiles & Fittings:

We recommend ordering an additional 10% of roof tiles to allow for any breakages that may occur during delivery or handling. Roof tiles are naturally fragile, and having a few extra on site helps prevent delays and ensures your roofing project can be completed without interruption.

Multiple Products from the Same Supplier

If you're ordering multiple products from the same supplier, your order will be dispatched together once all items are ready. This means the longest lead time will apply.

If you need part of your order sooner, please call us on 01202 113233. We can arrange a split delivery, although an additional shipping charge will apply.

Baxi 24kW Heating Only Boiler

£983.78

Can I collect this product from a local branch?

Absolutely. Check availability at your nearest branch during checkout or contact us directly.

Do you offer bulk pricing or trade discounts?

Yes, we offer competitive rates for trade customers and bulk orders. Contact our team for a tailored quote.

What if the product arrives damaged?

Please notify us within 48 hours of delivery. We’ll arrange a prompt replacement or refund as needed.

How fast is the delivery time?

Most items are delivered within 2–5 working days, depending on stock and location. Some products may take longer times.

What is the Return Policy?

We accept most returns within 14 days of delivery, provided the items are unused, in their original packaging, and in resalable condition. Please contact our customer service team to arrange a return or discuss any concerns.