The Glow Worm Ultimate3 system boiler offers reliable heating for larger homes with its 25kW output and A-rated efficiency. You'll get a compact wall-mounted unit featuring an automotive-grade aluminium heat exchanger and smart MiGo app control. Expect to pay £725 for the boiler itself, with total installation costs between £1,525 and £2,025. While it needs a separate hot water cylinder, its 5-year warranty (extendable to 10) and potential energy bill savings make it worth considering. Let's explore if this boiler matches your home's needs.
Key Takeaways
- The Glow Worm Ultimate3 25kW system boiler costs £725, with total installation prices ranging from £1,525 to £2,025.
- Features include A-rated efficiency (89.7%), aluminium heat exchanger, and remote control through the MiGo app.
- Comes with a 5-year warranty, extendable to 10 years when registered with Club Energy membership.
- Suitable for larger homes with high hot water demands, but requires separate hot water cylinder installation.
- Compact wall-mounted design (740x418x300mm) offers reliable performance, though size may not fit standard kitchen cupboards.
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Glow Worm Ultimate3 System Boiler Overview
The Glow Worm Ultimate3 system boiler brings modern heating technology to your home without breaking the bank.
You'll appreciate its space-saving wall-mounted design and compact dimensions of 740 x 418 x 300mm, making it a perfect fit for most properties.
This 25kW powerhouse features an automotive-grade aluminium heat exchanger and Grundfos modulating pump that'll keep your energy bills in check.
The bright LCD display won't leave you scratching your head, and the built-in filling loop makes maintenance a breeze.
You're looking at a price range of £1,525 – £2,025 installed, which is quite competitive for a system boiler of this calibre.
Plus, you'll get a 5-year warranty that's extendable to 10 years when you register with Club Energy – now that's peace of mind!
Glow Worm Ultimate3 System Boiler Performance and Efficiency
While many boilers claim impressive performance, Glow Worm's Ultimate3 system boiler delivers genuine efficiency with its ErP A-rating and impressive 89.7% seasonal efficiency score. You'll notice the difference in your energy bills thanks to its high-efficiency condensing technology.
The Ultimate3's Grundfos modulating pump adapts to your heating demands, while its automotive-grade aluminium heat exchanger guarantees reliable performance. You can even control your heating remotely using the MiGo app – perfect for those times you've left the heating on while rushing out the door!
| Feature | Capability | Benefit |
|---|---|---|
| Output | 25kW | Ideal for larger homes |
| Hot Water | System design | High-demand suitable |
| Efficiency | 89.7% | Lower energy bills |
| Control | MiGo app | Remote access |
Glow Worm Ultimate3 System Boiler Pros and Cons
Contemplating the extensive feature set of Glow Worm's Ultimate3 system boiler, you'll find a mix of impressive benefits alongside a few notable drawbacks.
On the plus side, you'll appreciate the A-rated heating efficiency that helps lower your energy bills, while the automotive-grade aluminium heat exchanger guarantees reliable performance.
The MiGo app lets you control your heating from your phone, and the 5-year warranty (extendable to 10 years) offers peace of mind.
However, there are some limitations to take into account. The boiler only comes in a 25kW output option, and its larger size means it won't fit in standard kitchen cupboards.
You'll also need a separate hot water cylinder, and the initial cost is higher than some competing models.
Professional installation is required to maintain warranty coverage.
How Does The Glow Worm Ultimate3 System Boiler Compare To Similar Models From Other Manufacturers?
Comparing system boilers can feel like manoeuvring through a maze of technical specs and features, but let's break down how the Glow Worm Ultimate3 stacks up against its main competitors.
While the Ultimate3's 89.7% efficiency rating is good, it's slightly lower than the Vaillant ecoTEC plus and Worcester Bosch Greenstar i, which both achieve up to 94%.
However, you'll find the Ultimate3's high-efficiency Grundfos pump and aluminium heat exchanger deliver reliable performance at a more budget-friendly price point.
The 5-year warranty isn't quite as generous as Vaillant's and Worcester's 10-year offerings, but it's still respectable.
Where the Ultimate3 shines is in its user-friendly interface and practical features like the inbuilt filling loop, making it a solid mid-range choice for cost-conscious homeowners.
For more detailed comparisons and specifications, our comprehensive Vaillant boilers guide provides in-depth analysis of leading manufacturers' models.
How Much Does A Glow Worm Ultimate3 System Boiler Cost?
The cost factor often takes centre stage when choosing a new boiler system.
You'll find the Glow Worm Ultimate3 system boiler priced at around £725 (including VAT) for the 25kW model, making it a budget-friendly option for most homeowners.
When you factor in installation costs (£500-£1,000) and essential extras like filters and flues (about £300), you're looking at a total investment of £1,525-£2,025.
That's quite a bit gentler on your wallet than many competing brands.
The final price will depend on your specific needs.
Things like your property size, existing system setup, and installation complexity can nudge the cost up or down.
But here's the good news – even with these variables, you'll typically save £50-£300 compared to other leading manufacturers.
Glow Worm Ultimate3 System Boiler Warranty and Service Support
Peace of mind comes standard with the Glow Worm Ultimate3's extensive warranty package.
You'll get a 5-year warranty on parts and labour right out of the gate, with the option to extend it to 10 years when you register with Club Energy within 30 days of installation.
To keep your warranty valid, you'll need an annual service from a Gas Safe registered engineer.
They'll check your boiler's pressure, controls, and flue system while giving the heat exchanger a thorough clean.
You won't be left in the cold if issues arise – Glow Worm offers 24/7 emergency support and maintains a network of qualified engineers for repairs.
Their dedicated customer service team is ready to help with technical questions, and they keep spare parts well-stocked for quick fixes.
Final Verdict
After examining warranties and support, it's time to lay all the cards on the table.
The Glow Worm Ultimate3 system boiler offers solid value for your investment, with its £1,525 – £2,025 price tag including installation.
You'll appreciate the impressive 89.7% efficiency rating and ErP A rating for both heating and hot water, which means lower energy bills in the long run.
The compact design and user-friendly interface make it a practical choice for most homes.
While it's not the most premium brand on the market, you're getting reliable performance, modern features like smart control compatibility, and a decent 5-year warranty.
For larger homes needing a 25kW output, this boiler delivers the right balance of performance and affordability without breaking the bank.
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