For more Boilers from the following brand names Ariston Central Heating Boilers  Potterton Central Heating Gas Boiler Main Central Heating Gas Boiler Ideal Gas Boiler Glow Worm Gas Boiler Ferroli Gas Boiler Chaffoteaux Maury Gas Boiler Baxi Gas Boiler Alpha Boilers Gas Boiler Protherm Gas Boilers Saunier Duval Central Heating Gas Boiler Vaillant Gas Boiler Viessman Gas Boiler  Volkera Gas Boiler Worcester Gas Boiler Heatrae Sadia Electric Central Heating Boiler Biasi Central Heating Gas Boiler Sabre HE Gas Combi Boilers  Trianco Activeair Hot Water Electric Boiler Cheap Hot Water   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.

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

Products (Total Items: 48)			Order byPrice: Low to HighPrice: High to LowNameNewestOldest
Filling Loop T £10.45 Buy Filling Loop Straight £10.45 Buy Cal-Combi Magnetic and Electrolytic Scale Inhibitor and Central Heating Corrosion Inhibitor £31.43 Buy DAB Central Heating Pump 6.5M £35.00 Buy CalPhos Scale Inhibitor Polyphosphate Scale and Corrosion Inhibitor £52.50 Buy CalTronic Scale Inhibitor Electronic Non-Intrusive Scale Inhibitor Plug In and Relax £56.74 Buy Towerstat Wireless Advanced Programmable Room Thermostat rf £62.94 Buy Salus Electronic Programmable Room Thermostat £72.79 £47.00 Buy Grasslin RF Thermostat - same as Halstead RFTH1 £74.99 Buy Biasi 24KW Riva Compact Combination Non Condensing Boiler £430.00 £393.63 Buy Main System 18 HE Boiler £457.08 Buy Sabre HE Condensing 25HE 80000 BTU Combi Combination Boiler £460.95 £439.00 Buy Biasi 28KW Riva Compact Combination Non Condensing Boiler £475.88 Buy 25kW Biasi Riva Compact Combi Boilers High Efficiency Condensing (HE) inc Flue Time Clock £480.85 £449.99 Buy Main System 24 HE Boiler £481.16 Buy Sabre HE Condensing 29HE 100000 BTU Combi Combination Boiler £492.45 Buy 9 HE Open Vent Sedbuk B Baxi Potterton Main Suprima High Efficiency Condensing Gas Boiler 30 HE 9.50kw £497.62 Buy Main System 28 HE Boiler £504.09 Buy 24 HE Baxi Potterton Main Combi Boiler High Efficiency Condensing Boiler (HE) 24HE £514.65 £517.00 Buy Biasi 32KW Riva Compact Combination Non Condensing Boiler £517.62 Buy 12 HE Open Vent Sedbuk B Baxi Potterton Main Suprima High Efficiency Condensing Gas Boiler 40 HE 12.64kw £528.75 Buy Glowworm Betacom Boilers 24Kw Band B Including Flue Kit £536.98 £411.25 Buy 15 HE Open Vent Sedbuk B Baxi Potterton Main Suprima High Efficiency Condensing Gas Boiler 50 HE 15.66kw £560.48 Buy 29.8kW Riva Compact SYSTEM High Efficiency Condensing Std Heating Boiler (HE) £561.76 Buy Sabre HE Condensing 35HE 120000 BTU Combi Combination Boiler £565.95 Buy Glowworm Betacom Boilers 30Kw Band B Including Flue Kit £587.50 Buy Biasi Riva Open Vent 18 Gas Boiler £590.72 Buy 18 HE Open Vent Sedbuk B Baxi Potterton Main Suprima High Efficiency Condensing Gas Boiler 60 HE 18.83kw £592.20 Buy Ariston Aco System 27 RFFI Boiler £598.99 £528.75 Buy Ariston Aco System 32 RFFI Boiler £598.99 £528.75 Buy 24 HE Open Vent Sedbuk B Baxi Potterton Main Suprima High Efficiency Condensing Gas Boiler 80 HE 24.94kw £616.88 Buy 25Kw ECO Baxi Potterton Main Combination High Efficiency Condensing Boiler SEDBUK Band A (HE) £622.75 Buy 34.4kW Biasi Riva Compact Combi Boiler High Efficiency Condensing (HE) £624.37 £587.50 Buy 30 HE Baxi Potterton Main Combination High Efficiency Condensing Boiler (HE) 30HE £628.63 Buy Biasi Riva Open Vent 30 Gas Boiler £639.58 £599.25 Buy Ideal Excel 24HE Condensing Combi Boiler £641.55 £511.13 Buy 26.3kW Biasi Riva Advance HE Compact Combi Boiler High Efficiency Condensing A-Rated £673.58 £634.50 Buy 30Kw ECO Baxi Potterton Main Combination High Efficiency Condensing Boiler SEDBUK Band A (HE) £681.50 Buy 35.1kW Riva Advance HE Compact Combination High Efficiency Condensing Boiler A-Rated £698.25 £652.13 Buy Ariston Aco Combi 32Kw Boiler £699.98 Buy Ariston Aco Combi 27Kw Boiler £699.98 Buy Ariston Aco Combi 35Kw Boiler £699.98 Buy Ideal Excel 28HE Condensing Combi Boiler £746.00 £574.58 Buy Central heating pack combi boiler and any 7 radiators £782.25 Buy Ideal Excel 32HE Condensing Combi Boiler £835.43 £586.33 Buy Halstead Boilers EDEN 32 CBX COMBINATION CONDENSING BOILER £917.91 £699.01 Buy Ariston Clas 38 HE High Efficiency Condensing Combi Boiler 38kw Sedbuk Band A £1,151.50 £681.50 Buy Ariston Clas 30 HE High Efficiency Condensing Combi Boiler 30kw Sedbuk Band A £1,151.50 £669.75 Buy