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Sealed System Boilers - Unvented
The system boiler sometimes known as a “sealed system” provides central heating and hot water via a storage cylinder housed in an airing cupboard - no need for water tanks in the loft, as with a regular heat only boiler.
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Energy system boiler
ErP A rated system boiler with FREE 7 year guarantee out of the box
- High quality aluminium heat exchanger
- FREE 7 year guarantee out of the box with option to extend*
- Compact size – fits perfectly in kitchen cupboards
- ErP A rated for efficiency - helping to reduce energy bills
- High Efficiency modulating Grundfos pump
Ultimate₃ system boiler
Exclusive system boiler with 5 years guarantee*
- ErP A rated for efficiency - helping to reduce energy bills
- FREE 5 year guarantee when registered on Club Energy*
- £15 reward when registered through Club Energy
- Available as 25kW model
Easicom₃ system boiler
Quality and reliable system boiler with 3 years guarantee*
- Available in 25kW output model
- Bright, LCD display with easy-to-use interface
- Leading system boiler offering great performance
- FREE 3 year guarantee with option to extend*
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