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Compare Glow-worm System Boilers
You can select up to 4 Glow-worm boilers. Simply add your choices to compare.
Fuel type
Boiler type
Manufacturer
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ACV (9)
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Alpha (18)
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Ariston (11)
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ATAG (5)
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Baxi (16)
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Biasi (13)
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Electric Heating Company (12)
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ELNUR (10)
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Ferroli (14)
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Firebird (33)
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Glow-worm (9)
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Grant (15)
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Heatrae Sadia (7)
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Ideal (40)
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Intergas (4)
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Johnson and Starley (1)
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Keston (1)
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Main (4)
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Mistral (18)
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Navien (10)
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Potterton (22)
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Ravenheat (3)
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Vaillant (25)
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Viessmann (14)
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Vokera (13)
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Warmflow (6)
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Worcester Bosch (38)
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Zanussi (4)
| Boiler Model | kW | Efficiency | Warranty | Typical Price | |
|---|---|---|---|---|---|
Available |
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| Glow-worm Easicom 25s System Gas Boiler | 25kw | 94% | 3 years | £860 | |
| Glow-worm Energy System 12kW Gas Boiler | 12kw | 89.3% | 7 years | £700 | |
| Glow-worm Energy System 15kW Gas Boiler | 15kw | 89.3% | 7 years | £725 | |
| Glow-worm Energy System 18kW Gas Boiler | 18kw | 89.3% | 7 years | £765 | |
| Glow-worm Energy System 25kW Gas Boiler | 25kw | 89.3% | 7 years | £785 | |
| Glow-worm Energy System 30kW Gas Boiler | 30kw | 89.3% | 7 years | £850 | |
| Glow-worm Ultimate3 25kW System Gas Boiler | 25kw | 89.7% | 5 years | £725 | |
| Glow-worm Easicom3 25s System Gas Boiler | 25kw | 89.7% | 4 years | £595 | |
Discontinued |
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| Glow-worm Ultimate2 25kW System Gas Boiler | 25kw | 89.3% | 5 years | £820 | |
