The Baxi 400 Heat boiler offers you reliable heating at a budget-friendly price point, with costs ranging from £1,502 to £2,002 including installation. You'll get an A-rated efficiency rating of 89.2% and ultra-quiet operation at just 33-35 dBA. While its 5-year warranty isn't the longest in the market, the compact size (fitting neatly in a kitchen cupboard) and lightweight design make it ideal for smaller homes. There's much more to take into account about this practical heating solution.
Key Takeaways
- The Baxi 400 Heat Boiler costs between £494-£628 for the unit alone, with total installation costs ranging from £1,502-£2,002.
- It offers A-rated efficiency with 89.2% SAP rating, though this falls slightly below competitors who achieve 94% efficiency.
- The boiler features an ultra-lightweight design at 17.4kg and compact dimensions that fit standard kitchen cupboards.
- Available in three output sizes (15kW, 18kW, 24kW), making it particularly suitable for smaller homes with basic heating needs.
- Includes a 5-year parts and labour warranty with next-day service support, though this is shorter than some competitors' warranties.
Get Quotes To Install A Baxi 400 Heat Boiler
- Find the best installation price
- Save money on your new boiler
- Guarantee safe and professional fitting
- Get expert advice on the right boiler size
Learn more about Baxi boiler options available for your home heating needs.
It takes just 30 seconds to get started, and there's no obligation to proceed.
All our installers are fully vetted and Gas Safe registered for your complete peace of mind.
Don't wait – get your free quotes now and take the first step toward your new efficient heating system.
Baxi 400 Heat Boiler Overview
The Baxi 400 Heat boiler stands out as a versatile heating solution that's designed with both installers and homeowners in mind.
With its lightweight 17.4kg design and compact size that fits neatly into a standard kitchen cupboard, you'll barely notice it's there.
You'll find this boiler comes in various outputs (12-30kW) to match your home's needs.
The user-friendly interface includes an easy-to-use mode selector and LED display for quick status checks and troubleshooting.
Installation is a breeze thanks to the audible-lock wall mounting bracket and included 1-metre lead.
You can even opt for a rear flue installation if you're looking for a tidier appearance.
Best of all, you're covered by a 5-year parts and labour warranty, backed by Baxi's 150+ years of British heating expertise.
Baxi 400 Heat Boiler Performance and Efficiency
Moving beyond its physical features, what really sets the Baxi 400 Heat boiler apart is its impressive performance stats. You'll appreciate its A-rated energy efficiency and SAP rating of 89.2%, which means lower fuel bills for your home.
| Feature | Spec | Benefit |
|---|---|---|
| Energy Rating | A-rated | Lower bills |
| SAP Efficiency | 89.2% | Better performance |
| NOx Emissions | 20-23 mg/kWh | Eco-friendly |
| Sound Level | 33-35 dBA | Whisper quiet |
| Heat Outputs | 15-24kW options | Size flexibility |
The boiler's available in three output sizes – 15kW, 18kW, and 24kW – so you can match it perfectly to your home's needs. It's also remarkably quiet at just 33-35 dBA (that's about as loud as a whispered conversation), and its NOx class 5 rating means you're doing your bit for the environment too.
Baxi 400 Heat Boiler Pros and Cons
While examining the Baxi 400 Heat boiler's features, you'll find both impressive strengths and notable limitations worth considering.
Its compact size and lightweight design at just 26kg make it perfect for tucking into a kitchen cupboard, and you won't need a team of strongmen to install it.
On the efficiency front, you're looking at an A-rated system that hits 89% efficiency, potentially trimming those energy bills.
The compatibility with Megaflo Eco cylinders is a nice bonus for hot water capacity.
However, the 5-year warranty isn't winning any longevity contests compared to competitors.
You'll also need to keep an eye on the condensate pipe during winter freezes, and if you're running multiple bathrooms, this mightn't be your best match.
How Does The Baxi 400 Heat Boiler Compare To Similar Models From Other Manufacturers?
When you're comparing the Baxi 400 Heat boiler to its market rivals, several key differences stand out.
While it's the most compact and lightweight option, its 89% efficiency rating falls a bit short of competitors who achieve 94%.
The warranty period tells an interesting story too.
The Baxi's 5-year coverage isn't quite as generous as its rivals, especially compared to Worcester Bosch's impressive 12-year offering.
Here's how the Baxi 400 Heat stacks up against similar models:
- Size and weight: Most compact at 625mm height and just 19.5kg
- Price point: More affordable than premium brands like Worcester Bosch and Vaillant
- Output options: Better suited for smaller homes with lower kW options starting at 13kW
In essence, you're looking at a solid mid-range choice that prioritises affordability and space-saving over premium features.
How Much Does A Baxi 400 Heat Boiler Cost?
Looking to budget for a new Baxi 400 Heat boiler? You'll find the unit costs between £494 and £628, depending on the power output you need.
The 12kW model starts at £494, while the most powerful 24kW version tops out at £628.
But don't forget about installation – you'll need to factor in £500 to £1,000 for that.
With all the essentials like flue and filter (around £300), you're looking at a total cost between £1,502 and £2,002.
Want to make it smarter? Adding optional extras like the uSense smart controls will set you back another £100-£200.
The good news is you'll get a 5-year warranty included, and with 93% energy efficiency, you'll save on those heating bills in the long run.
Baxi 400 Heat Boiler Warranty and Service Support
The Baxi 400 Heat boiler comes with a solid warranty package that'll give you peace of mind.
You'll get a standard 2-year warranty, which can be extended to 5 years.
To keep your warranty valid, you'll need to follow these key requirements:
- Register your boiler within 30 days of installation
- Have it installed by a Gas Safe registered engineer
- Schedule annual service maintenance
You're in good hands with Baxi's award-winning service support.
Their nationwide network of engineers aims to fix your boiler on the first visit, with fully stocked vans ready to tackle any issues.
If you need help, their customer support team is available six days a week, and they offer next-day call-outs for warranty-covered breakdowns.
Final Verdict
Based on our thorough evaluation, Baxi's 400 Heat boiler stands out as a reliable workhorse that'll fit most homes and budgets.
The lightweight design and straightforward installation features make it a favourite among heating engineers, while its compact size means you won't have to sacrifice precious kitchen space.
You'll appreciate the quiet operation and user-friendly controls, plus the LED display takes the guesswork out of monitoring your system's status.
The 5-year warranty provides peace of mind, and the A-rated energy efficiency helps keep those utility bills in check.
While it's not the fanciest boiler on the market, it delivers where it counts – reliable heating, simple operation, and cost-effective performance.
For most homeowners seeking a dependable heating solution without breaking the bank, the Baxi 400 Heat is a solid choice.
Get Up To 3 Free Quotes For Your New Boiler
Now that you've learned about the Baxi 400 Heat's capabilities, it's time to find the best deal for your installation.
Getting multiple quotes helps you compare prices and guarantees you're not overpaying for your new boiler system.
Through our free quote comparison service, you'll connect with up to three Gas Safe registered engineers in your area.
These professionals will provide detailed quotes tailored to your needs.
When requesting your quotes, be sure to:
- Specify your property size and number of radiators
- Mention your hot water requirements and bathroom count
- Include any preferences for smart controls or system upgrades
Remember to evaluate each quote by checking warranty terms, installer credentials, and included services.
Don't forget to ask about after-sales support – it's just as important as the initial installation price.
Simply enter your details on our boiler quote comparison page to receive quotes from nearby qualified installers.