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Compare Main Boilers
You can select up to 4 Main boilers. Simply add your choices to compare.

Fuel type
Boiler type
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Combi (463)
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Conventional (1)
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Regular (356)
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System (327)
Manufacturer
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ACV (13)
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Alpha (49)
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Ariston (35)
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ATAG (17)
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Baxi (79)
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Biasi (31)
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Daikin (3)
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Electric Heating Company (17)
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ELNUR (21)
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Ferroli (37)
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Firebird (137)
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Glow-worm (50)
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Grant (74)
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Heatline (2)
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Heatrae Sadia (7)
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Ideal (122)
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Intergas (24)
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Johnson and Starley (6)
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Keston (5)
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Main (12)
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Mistral (129)
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Navien (26)
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Potterton (74)
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Ravenheat (25)
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Vaillant (78)
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Viessmann (41)
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Vokera (32)
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Warmflow (23)
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Warmhaus (13)
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Worcester Bosch (140)
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Zanussi (7)
Boiler Model | kW | Efficiency | Warranty | Typical Price | |
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Available |
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Main Combi Eco Elite 25kW Gas Boiler | 25kw | 89% | 5 years | £590 | |
Main Combi Eco Elite 30kW Gas Boiler | 30kw | 88.7% | 5 years | £670 | |
Main System Eco Elite 24kW Gas Boiler | 24kw | 89.1% | 3 years | £618 | |
Main System Eco Elite 28kW Gas Boiler | 28kw | 88.8% | 3 years | £635 | |
Main Eco Compact 25kW Combi Gas Boiler | 25kw | 93% | 5 years | £620 | |
Main Eco Compact 30kW Combi Gas Boiler | 30kw | 93% | 5 years | £710 | |
Main Eco Compact 15kW System Gas Boiler | 15kw | 93% | 5 years | £610 | |
Main Eco Compact 18kW System Gas Boiler | 18kw | 93% | 5 years | £675 | |
Show Discontinued |
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Main HE A 12kW Regular Gas Boiler | 12kw | 88.7% | 3 years | £500 | |
Main HE A 15kW Regular Gas Boiler | 15kw | 89% | 3 years | £520 | |
Main HE A 18kW Regular Gas Boiler | 18kw | 88.7% | 3 years | £540 | |
Main HE A 24kW Regular Gas Boiler | 24kw | 88.9% | 3 years | £600 |