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Check out our full range of combi boilers, heating gas boilers, oil combi boilers and heating systems!
 

Central Heating Boilers

Sub-Categories
Sedbuk A Boiler Sedbuk A Boiler
90% To 91.3% Efficient
Sedbuk B Boiler Sedbuk B Boiler
86% To 90% Efficient
Sedbuk D Boilers Sedbuk D Boilers
78% To 82% Efficient
Boiler Special Offers Boiler Special Offers
Gas Boilers and Flue Accessories Gas Boilers and Flue Accessories
Oil Combi Boilers - Oil Storage Tanks Oil Combi Boilers - Oil Storage Tanks
System Boilers System Boilers
Openvent Boilers Openvent Boilers
Combination Boilers Combination Boilers
Heating Systems Heating Systems
LPG Boilers LPG Boilers


Products (Total Items: 53)

Vaillant Ecotec pro 28kW 28HE Combi Boiler
Vaillant Ecotec pro 28kW 28HE Combi Boiler
£800.94
Details Buy
Vaillant Ecotec pro 24kW 24HE Combi Boiler
Vaillant Ecotec pro 24kW 24HE Combi Boiler
£718.98
Details Buy
Vaillant Ecotec plus 937HE 37kW Storage Combi Boiler
Vaillant Ecotec plus 937HE 37kW Storage Combi Boiler
£1,249.39
Details Buy
Vaillant  ecoTEC Plus System Boiler 24kw
Vaillant ecoTEC Plus System Boiler 24kw
£1,574.50
£1,020.46
Details Buy
Halstead Eden VBX18 Premium Performance Open Vented Condensing Boiler 18KW
Halstead Eden VBX18 Premium Performance Open Vented Condensing Boiler 18KW
£514.02
Details Buy
Halstead Eden VBX30 Premium Performance Open Vented Condensing Boiler 30KW
Halstead Eden VBX30 Premium Performance Open Vented Condensing Boiler 30KW
£567.53
Details Buy
Salus Wiring Centre
Salus Wiring Centre
£13.57
Details Buy
Magnetic Debris Removal Filter
Magnetic Debris Removal Filter
£64.37
Details Buy
24 HE Baxi Potterton Main Combi Boiler High Efficiency Condensing Boiler (HE) 24HE
24 HE Baxi Potterton Main Combi Boiler High Efficiency Condensing Boiler (HE) 24HE
£547.55
Details Buy
30 HE Baxi Potterton Main Combination High Efficiency Condensing Boiler (HE) 30HE
30 HE Baxi Potterton Main Combination High Efficiency Condensing Boiler (HE) 30HE
£655.65
Details Buy
30Kw ECO Baxi Potterton Main Combination High Efficiency Condensing Boiler SEDBUK Band A (HE)
30Kw ECO Baxi Potterton Main Combination High Efficiency Condensing Boiler SEDBUK Band A (HE)
£728.50
Details Buy
25Kw ECO Baxi Potterton Main Combination High Efficiency Condensing Boiler SEDBUK Band A (HE)
25Kw ECO Baxi Potterton Main Combination High Efficiency Condensing Boiler SEDBUK Band A (HE)
£641.55
Details Buy
Glow worm Betacom Boilers 24Kw Band B Including Flue Kit
Glow worm Betacom Boilers 24Kw Band B Including Flue Kit
£560.99
£411.25
Details Buy
Glow worm Betacom Boilers 30Kw Band B Including Flue Kit
Glow worm Betacom Boilers 30Kw Band B Including Flue Kit
£592.27
£515.00
Details Buy
Ariston Aco System 32 RFFI Boiler
Ariston Aco System 32 RFFI Boiler
£598.99
£528.75
Details Buy
Ariston Aco System 27 RFFI Boiler
Ariston Aco System 27 RFFI Boiler
£598.99
£528.75
Details Buy
26.3kW Biasi Riva Advance HE Compact Combi Boiler High Efficiency Condensing A-Rated
26.3kW Biasi Riva Advance HE Compact Combi Boiler High Efficiency Condensing A-Rated
£744.28
£666.23
Details Buy
35.1kW Riva Advance HE Compact Combination High Efficiency Condensing Boiler A-Rated
35.1kW Riva Advance HE Compact Combination High Efficiency Condensing Boiler A-Rated
£733.18
£684.73
Details Buy
34.4kW Biasi Riva Compact Combi Boiler High Efficiency Condensing (HE)
34.4kW Biasi Riva Compact Combi Boiler High Efficiency Condensing (HE)
£964.79
£696.31
Details Buy
29.8kW Riva Compact SYSTEM High Efficiency Condensing Std Heating Boiler (HE)
29.8kW Riva Compact SYSTEM High Efficiency Condensing Std Heating Boiler (HE)
£630.93
Details Buy
Biasi 32KW Riva Compact Combination Non Condensing Boiler
Biasi 32KW Riva Compact Combination Non Condensing Boiler
£569.39
Details Buy
sanicondens best
sanicondens best
£114.63
Details Buy
25kW Biasi Riva Compact Combi Boilers High Efficiency Condensing (HE) inc Flue Time Clock
25kW Biasi Riva Compact Combi Boilers High Efficiency Condensing (HE) inc Flue Time Clock
£741.48
£530.49
Details Buy
24 HE Open Vent Sedbuk B Baxi Potterton Main Suprima High Efficiency Condensing Gas Boiler 80 HE 24.94kw
24 HE Open Vent Sedbuk B Baxi Potterton Main Suprima High Efficiency Condensing Gas Boiler 80 HE 24.94kw
£639.20
Details Buy
18 HE Open Vent Sedbuk B Baxi Potterton Main Suprima High Efficiency Condensing Gas Boiler 60 HE 18.83kw
18 HE Open Vent Sedbuk B Baxi Potterton Main Suprima High Efficiency Condensing Gas Boiler 60 HE 18.83kw
£613.35
Details Buy
15 HE Open Vent Sedbuk B Baxi Potterton Main Suprima High Efficiency Condensing Gas Boiler 50 HE 15.66kw
15 HE Open Vent Sedbuk B Baxi Potterton Main Suprima High Efficiency Condensing Gas Boiler 50 HE 15.66kw
£580.45
Details Buy
12 HE Open Vent Sedbuk B Baxi Potterton Main Suprima High Efficiency Condensing Gas Boiler 40 HE 12.64kw
12 HE Open Vent Sedbuk B Baxi Potterton Main Suprima High Efficiency Condensing Gas Boiler 40 HE 12.64kw
£547.55
Details Buy
Ariston Clas 30 HE High Efficiency Condensing Combi Boiler 30kw Sedbuk Band A
Ariston Clas 30 HE High Efficiency Condensing Combi Boiler 30kw Sedbuk Band A
£1,151.50
£695.01
Details Buy
9 HE Open Vent Sedbuk B Baxi Potterton Main Suprima High Efficiency Condensing Gas Boiler 30 HE 9.50kw
9 HE Open Vent Sedbuk B Baxi Potterton Main Suprima High Efficiency Condensing Gas Boiler 30 HE 9.50kw
£497.62
Details Buy
Ariston Clas 38 HE High Efficiency Condensing Combi Boiler 38kw Sedbuk Band A
Ariston Clas 38 HE High Efficiency Condensing Combi Boiler 38kw Sedbuk Band A
£1,151.50
£695.00
Details Buy
28kw Baxi Potterton Main System 28 HE Boiler
28kw Baxi Potterton Main System 28 HE Boiler
£521.70
Details Buy
Ariston Clas 24 HE High Efficiency Condensing Combi Boiler 24kw Sedbuk Band A
Ariston Clas 24 HE High Efficiency Condensing Combi Boiler 24kw Sedbuk Band A
£715.22
£572.18
Details Buy
24kw Baxi Potterton Main System 24 HE Boiler
24kw Baxi Potterton Main System 24 HE Boiler
£498.20
Details Buy
ARISTON E COMBINATION BOILER 30 kw
ARISTON E COMBINATION BOILER 30 kw
£722.92
Details Buy
18kw Baxi Potterton Main System 18 HE Boiler
18kw Baxi Potterton Main System 18 HE Boiler
£473.53
Details Buy
Cal-Combi Magnetic and Electrolytic Scale Inhibitor and Central Heating Corrosion Inhibitor
Cal-Combi Magnetic and Electrolytic Scale Inhibitor and Central Heating Corrosion Inhibitor
£31.43
Details Buy
Biasi Riva Open Vent 30 Gas Boiler
Biasi Riva Open Vent 30 Gas Boiler
£671.56
£629.21
Details Buy
CalPhos Scale Inhibitor Polyphosphate Scale and Corrosion Inhibitor
CalPhos Scale Inhibitor Polyphosphate Scale and Corrosion Inhibitor
£52.50
Details Buy
CalTronic Scale Inhibitor Electronic Non-Intrusive Scale Inhibitor Plug In and Relax
CalTronic Scale Inhibitor Electronic Non-Intrusive Scale Inhibitor Plug In and Relax
£56.74
Details Buy
Biasi Riva Open Vent 18 Gas Boiler
Biasi Riva Open Vent 18 Gas Boiler
£649.80
Details Buy
Ideal Excel 24HE Condensing Combi Boiler
Ideal Excel 24HE Condensing Combi Boiler
£641.55
£511.13
Details Buy
Ideal Excel 32HE Condensing Combi Boiler
Ideal Excel 32HE Condensing Combi Boiler
£835.43
£586.33
Details Buy
Ideal Excel 28HE Condensing Combi Boiler
Ideal Excel 28HE Condensing Combi Boiler
£746.00
£574.58
Details Buy
Halstead Boilers EDEN 32 CBX COMBINATION CONDENSING BOILER
Halstead Boilers EDEN 32 CBX COMBINATION CONDENSING BOILER
£917.91
£801.94
Details Buy
Central heating pack combi boiler and any 7 radiators
Central heating pack combi boiler and any 7 radiators
£821.36
Details Buy
Biasi 24KW Riva Compact Combination Non Condensing Boiler
Biasi 24KW Riva Compact Combination Non Condensing Boiler
£473.00
£432.99
Details Buy
Biasi 28KW Riva Compact Combination Non Condensing Boiler
Biasi 28KW Riva Compact Combination Non Condensing Boiler
£499.67
Details Buy
Grasslin RF Thermostat - same as Halstead RFTH1 external only
Grasslin RF Thermostat - same as Halstead RFTH1 external only
£74.99
Details Buy
Salus Electronic Programmable Room Thermostat
Salus Electronic Programmable Room Thermostat
£72.79
£47.00
Details Buy
Filling Loop Straight
Filling Loop Straight
£10.45
Details Buy
DAB Central Heating Pump 6.5M
DAB Central Heating Pump 6.5M
£38.07
Details Buy
Filling Loop T
Filling Loop T
£10.45
Details Buy
Towerstat Wireless Advanced Programmable Room Thermostat rf
Towerstat Wireless Advanced Programmable Room Thermostat rf
£62.94
Details Buy
  

 
Boiler efficiency is rated as a percentage assessing how much of the fuel that they consume is converted to heat.
 
This rating is called SEDBUK Seasonal Efficiency of Domestic Boilers in the UK and represents the average annual efficiency achieved in typical domestic conditions. SEDBUK was developed under the UK Government’s Energy Efficiency Best Practice Programme with the involvement of boiler manufacturers, and provides a consistent basis for the comparison of the energy performance of different boilers.
 
To simplify the assessment SEDBUK ratings are from A to G, A-rated boilers being more than 90% efficient. Only A rated boilers - having efficiencies of over 90% carry the energy saving recommended logo. Boiler efficiency is important to you.
 
Not only does an efficient boiler produce less CO2 it also consumes less fuel for the same heat output - this will reduce your gas heating costs. Remember the purchase price is paid once only, the heating costs are paid every year and any saving is repeated year after year. When Traditional boilers burn gas to producing heat for heating your water and radiators they eject waste gases through the boiler flue.
 
These waste gases can be 120-200ºC and hence the system is inefficient ejecting significant heat to the atmosphere. This is energy you have paid for. Modern condensing boilers have large heat exchangers designed to extract the heat from these hot flue gases. Current heat exchangers can reduce the temperature of the ejected gases to below 100ºC and sometimes as low as 50ºC for the most efficient.
 
This extracted heat is used to heat your home and improves the SEDBUK measured efficiency of the boiler to over 90%, a SEDBUK A rating. For this reason you should ensure that the new or replacement condensing boiler that you purchase is an ‘A’ rated boiler on the SEDBUK scale. In addition to saving money over the life of the boiler you will also be helping to reduce the impact of global warming on the environment.
 
Get a new Energy Efficient ‘A’ rated Boiler A British Gas Heating Advisor can visit your home to assess which of their new SEDBUK ‘A’ rated Energy Efficient boilers is right for you and to provide you with a firm quotation for a new boiler in their sale.
 

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