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Sealed System Boilers For Heating and Hot Water
The system boiler (often listed as a ‘sealed system’) provides central heating and hot water via a storage cylinder. This means that, unlike with a regular boiler, there’s no need for separate water tanks in the loft of your house.
These models are a great choice for those who have limited space in their loft, or for those living with a large family who wish to use hot water from multiple sources at once.
Glow-worm’s system boilers do not require an expansion tank or feed, freeing up valuable space in your loft and meaning that we can offer a more efficient and cost-saving installation process.
*Note: All extended guarantees stated are only available when registered by a Club Energy installer
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Energy system boilers
ErP A rated compact system boiler
- Compact size will fit perfectly in kitchen cupboards
- ErP A rated for efficiency - helping you to reduce your energy bills
- Quiet Mark approved
- FREE 7 year guarantee out of the box with option to extend*
Ultimate₃ system boiler
High efficiency sealed system boiler from Glow-worm
- Highly reliable system boiler offering outstanding performance
- ErP A rated for efficiency – helping you to save money on your energy bills
- FREE 5 year parts and labour guarantee*
- Available in a 25kW model
Easicom₃ system boilers
Quality, reliability, choice
- 6 years FREE parts and labour guarantee*
- ErP A rated for efficiency – helping to lower your energy bills
- Manufactured right here in the UK by Glow-worm, the brand you can trust
- Exceptionally quiet in operation
- Competitively priced
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